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Texas Instruments MSP50C614 manual MC = Pllm value+1 ⋅ 131.07 kHz

Models: MSP50C614

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Assembly Language Instructions 4-205

MSP50C614 (MSP50P614) IO Port Description

Address

Bits

Name

R/W

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

After RESET

0x34

4

DAC Control

R/W

DM

E

P1

P0

0x0

DM

Drive Mode

E

Function

P1

P0

DAC bits

0

3x Style DAC

0

Disable DAC

0

0

8 bit

1

5x Style DAC

1

Enable DAC

1

1

9 bits

0

10 bits

0x38

16

Interrupt

R/W

CE

AR

PD

EP

E2

E1

S2

S1

D5

D4

PF

D3

D2

T2

T1

DA

0x0000

General

EP

F port Pull up

Timer Function

Interrupt enable bits: 1=enable,0=disable

Control

AR

Arm bit

CE

Comparator

S1

Timer1 source

DA

DAC Timer interrupt

S2

Timer2 source

T1

Timer 1 interrupt

T2

Timer 2 interrupt

0=disable

0 = MC

D2

PD2 rising edge interrupt

D3

PD3 falling edge interrupt

1=enable

1 = MC

PF

F port falling edge interrupt

PD

PDM clock

E1

Timer1 enable

D4

PD4 rising edge interrupt

D5

PD5 falling edge interrupt

0

MC

E2

Timer2 enable

1

MC

0 = disable

1 = enable

0x39

8

Interrupt

R/W

D5

D4

PF

D3

D2

T2

T1

DA

left

Flag

unchanged

D5

PD5 falling edge interrupt flag

DA

DAC Timer interrupt flag

Register

D4

PD4 rising edge interrupt flag

T1

Timer 1 interrupt flag

D3

PD3 falling edge interrupt flag

T2

Timer 2 interrupt flag

PF

F port falling edge interrupt flag

D2

PD2 rising edge interrupt flag

0x3A

16

Timer 1 period

R/W

T

I

M

E

R

1

P

E

R

I

O

D

0x0000

0x3B

16

Timer 1 preset

R/W

T

I

M

E

R

1

P

R

E

S

E

T

0x0000

0x3D

16

Clock

W

T4

T3

T2

T1

T0

I

C

R

M7

M6

M5

M4

M3

M2

M1

M0

0x0000

Speed

Resistor Trim bits

I

Idle bit

PLLM bits

Control

C

CRO

MC = (PLLM value+1) ⋅ 131.07 kHz

0 = disable

R

RTO

CPU clock = (PLLM value+1) ⋅ 65.536 kHz

1 = enable

0x3E

16

Timer 2 period

R/W

T

I

M

E

R

2

P

E

R

I

O

D

0x0000

0x3F

16

Timer 2 preset

R/W

T

I

M

E

R

2

P

R

E

S

E

T

0x0000

Instruction Set Summay

Image 297

Texas Instruments MSP50C614 manual MC = Pllm value+1 ⋅ 131.07 kHz

MSP50C614 specifications

The Texas Instruments MSP50C614 is a microcontroller that belongs to the MSP430 family, renowned for its low power consumption and versatile functionality. Primarily designed for embedded applications, this microcontroller is favored in various industries, including consumer electronics, industrial automation, and healthcare devices.

One of the standout features of the MSP50C614 is its ultra-low power technology, which enables it to operate in various power modes. This makes it ideal for battery-powered applications, where energy efficiency is crucial. The MSP430 architecture allows for a flexible power management system, ensuring that energy is conserved while providing robust performance.

The MSP50C614 is equipped with a 16-bit RISC CPU that delivers high performance while maintaining low power usage. With a maximum clock frequency of 16 MHz, it can execute most instructions in a single cycle, resulting in swift operation and responsive performance. This microcontroller also comes with a generous flash memory capacity, allowing developers to store large amounts of code and data conveniently.

In terms of peripherals, the MSP50C614 is highly versatile. It features a range of digital and analog input/output options, including multiple timers, GPIO ports, and various communication interfaces like UART, SPI, and I2C. This extensive set of peripherals allows for seamless integration with other components and simplifies the design of complex systems.

The integrated 12-bit Analog-to-Digital Converter (ADC) stands out as a valuable characteristic of the MSP50C614. This feature enables the microcontroller to convert physical analog signals into digital data, making it particularly useful for sensing applications and real-time monitoring.

Another noteworthy technology employed in the MSP50C614 is its support for low-voltage operations. With a broad supply voltage range, this microcontroller can function efficiently in diverse environments and is suitable for low-power applications, enhancing its practicality.

Moreover, Texas Instruments provides software support in the form of Code Composer Studio and various libraries that make it easier for developers to program and utilize the MSP50C614 effectively.

In summary, the Texas Instruments MSP50C614 microcontroller is a powerful, low-power solution equipped with the features and technologies necessary for efficient operation in a wide array of applications. Its blend of performance, flexibility, and energy efficiency makes it a popular choice among engineers and designers looking to create innovative, sustainable designs in the rapidly evolving tech landscape.

Contents

MSP50C614 Mixed-Signal Processor Users Guide Important Notice About This Manual How to Use This ManualNotational Conventions This document uses the following conventionsCsr ±a /user/ti/simuboard/utilities This provides three choices *, *+, or *±Notational Conventions Trademarks Information About Cautions and WarningsThis book may contain cautions and warnings Information About Cautions and WarningsPage Contents Contents Assembly Language InstructionsCode Development Tools ContentsixROM Usage With Respect to Various Synthesis Algorithms ApplicationsCustomer Information Contentsxi Figures ±11 ±10±12 ±13Tables ±33 ±32±34 ±35Page Introduction to the MSP50C614 Features of the C614 Features of the C614Applications ApplicationsIntroduction to the MSP50C614 Development Device MSP50P614 Development Device MSP50P614Functional Description Functional DescriptionC605 and C604 Preliminary Information C605 and C604 Preliminary Information±1. Functional Block Diagram for the C614 Resistor Trim Operation Connections Crystal Oscillator Operation Connections±3. Reset Circuit Terminal Assignments and Signal Descriptions ±1. Signal and Pad Descriptions for the C614Terminal Assignments and Signal Descriptions Description Pin # ±2. MSP50C614 100-Pin PJM Plastic Package Pinout DescriptionPD0 PD1 PD2 PD3 PD4 PD5 PD6 ±5 Pin Grid Array Package for the Development Device, P614 VPP VSS VDD DAC M DAC P MSP50C614 Architecture Architecture Overview MSP50C614 Architecture ±1. MSP50C614 Core Processor Block DiagramALU Multiplier Computation Unit±1. Signed and Unsigned Integer Representation Computation UnitComputation Unit Arithmetic Logic Unit ±3. Overview of the Multiplier Unit OperationAccumulator Block ±4. Overview of the Arithmetic Logic Unit AC0 . . . AC31 Accumulator BlockAccumulator Block Pointers AP0 . . . AP3Data Memory Address Unit Data Memory Address Unit±6. Data Memory Address Unit RAM ConfigurationData Memory Addressing Modes Program Counter Unit Bit Logic UnitProgram Counter Unit Memory Organization RAM and ROM Memory MapMemory Organization RAM and ROM Peripheral Communications Ports ±7. C614 Memory Map not drawn to scale±2. Summary of C614s Peripheral Communications Ports Reset LOWInterrupt Name ROM address Event Source Interrupt Priority Interrupt VectorsROM Code Security Write only Block Protection WordProtection marker = the value programmed at TM5… TM0 true≡ the binary complement of NTM = the value programmed at FM5… FM0 falseInterrupt Logic Macro Call VectorsInterrupt Logic IFR Interrupt Logic ±8. Interrupt Initialization Sequence Timer Registers Timer RegistersTriggers INT1 on underflow Timer Registers Oscillator Options Clock ControlPLL Performance Clock ControlClock Speed Control Register ±9. PLL PerformanceClkSpdCtrl register CPURTO Oscillator Trim Adjustment Rtrim Register Read Only Applies to MSP50C614 Device OnlyClkSpdCtrl Value Copied Shaded Execution Timing Execution TimingReduced Power Modes Reduced Power ModesReduced Power Modes Reduced Power Modes Light MID Deep ±3. Programmable Bits Needed to Control Reduced Power Modes→ deeper sleep … relatively less power → Component DeterminedBy Controls Deeper sleep … Relatively less power → Event Determined Global interrupt enable is SET Peripheral Functions I/O General-Purpose I/O PortsPort a Port B Port C Port D Port E Peripheral Functions Input Port F Dedicated Input Port FTotem-Pole Output Port G Dedicated Output Port GInternal and External Interrupts Branch on D PortInterrupt Vector Source Trigger Event Priority Comment ±1. InterruptsPulse-Density Modulation Rate Digital-to-Analog Converter DACDAC Control and Data Registers Digital-to-Analog Converter DACOverflow bits Least-significant data value Ignored bits ±1. PDM Clock Divider PDM Clock DividerDigital-to-Analog Converter DAC CPU Pllm Comparator TIMER1 starts counting For INT7 is enabledCleared. Refer to .7, Interrupt Logic, for more details AddressComparator Interrupt/General Control Register Interrupt/General Control RegisterIntGenCtrl register Interrupt/General Control Register Hardware Initialization States Hardware Initialization StatesHardware Initialization States RZF Bit Bit Name Initialized Value DescriptionPage Assembly Language Instructions System Registers IntroductionAssembly Language Instructions Top of Stack, TOSSystem Registers Product High Register PH Product Low Register PLAccumulators AC0±AC31 Accumulator Pointers AP0±AP3 Indirect Register R0±R7Bit Status Register Stat String Register STRFunction ±1. Status Register Stat1 MSP50P614/MSP50C614 Instruction Syntax Instruction Syntax and Addressing ModesAddressing Modes ±2. Addressing Mode EncodingOpcode Next a±3. Rx Bit Description ±4. Addressing Mode Bits and adrs Field Description±6. Auto Increment and Auto Decrement Modes ±5. MSP50P614/MSP50C614 Addressing Modes SummaryFlag Repeat Flag addressing mode encoding, flagadrsFlagadrs Clocks Words Addressing Operation, ² SyntaxImmediate Addressing SyntaxExample Direct Addressing MOV *0x012F * 2, *A0Mulr *0x02A1 Indirect Addressing ±9. Indirect Addressing SyntaxSyntaxOperation MOV A2, *R0 Relative Addressing*R4++ Movb *R7++, A3Short Relative A0, *R3+R5Long Relative MOV A3, *R6+0x10TF1, *0x20 Flag AddressingOr TF2, *R6+0x02 XOR TF1, *R6+0x208 Tag/Flag Bits TF1,*ram1 TF1 bit in Stat is set!? Possible sources of confusion Consider the following codeSymbol Explanation ±10. Symbols and ExplanationInstruction Classification Instruction Classification±11. Symbols and Explanation ±11. Instruction ClassificationClass Sub- Description Class Sub Description Class 1 Instructions Memory and Accumulator Reference ±12. Classes and Opcode Definition±14. Class 1a Instruction Description ±13. Class 1 Instruction EncodingC1a ~A~ C1bC1b Mnemonic Description ±15. Class 1b Instruction DescriptionShltpls a n, adrs Class 2 Instructions Accumulator and Constant Reference±16. Class 2 Instruction Encoding ±17. Class 2a Instruction DescriptionC2a Mnemonic Description Class 3 Instruction Accumulator Reference ±18. Class 2b Instruction DescriptionC2b Mnemonic Description ADD An ~, An ~, imm16 , next a±19. Class 3 Instruction Encoding ±20. Class 3 Instruction DescriptionMnemonic Description Zero or be set equal to the sign bit Xsgm dependent MOV SV, An~ , next a ±21. Class 4a Instruction Encoding Class 4 Instructions Address Register and Memory Reference±23. Class 4b Instruction Description ±22. Class 4a Instruction Description±24. Class 4c Instruction Description ±25. Class 4d Instruction DescriptionClass 5 Instructions Memory Reference ±26. Class 5 Instruction Encoding±27. Class 5 Instruction Description RET² ±28. Class 6a Instruction Encoding Class 6 Instructions Port and Memory Reference±29. Class 6a Instruction Description C6a Mnemonic Description±30. Class 6b Instruction Description Class 7 Instructions Program ControlC6b Mnemonic Description Vector8 ±31. Class 7 Instruction Encoding and DescriptionJcc Ccc±32. Class 8a Instruction Encoding Class 8 Instructions Logic and Bit±34. Class 8b Instruction Description ±33. Class 8a Instruction DescriptionClass 9 Instructions Miscellaneous C8a Mnemonic Description±36. Class 9a Instruction Description ±35. Class 9a Instruction Encoding±37. Class 9b Instruction Description C9a Mnemonic Description±38. Class 9c Instruction Description Bit, Byte, Word and String Addressing±39. Class 9d Instruction Description C9c Mnemonic Description±3. Data Memory Organization and Addressing ±40. Data Memory Address and Data Relationship Mode Address Used Data Order Rx Post modify ²Movb A0, *0x0003 MOV A0, *0x0004Which uses the absolute word memory address ±4. Data Memory ExampleRflag MSP50P614/MSP50C614 Computational Modes MSP50P614/MSP50C614 Computational Modes±41. MSP50P614/MSP50C614 Computational Modes Computational Setting Resetting Function Mode InstructionSXM Example 4.6.1 Sovm Example 4.6.2 SovmExample 4.6.1 SXM Hardware Loop Instructions Hardware Loop InstructionsSyntax Operation Limitations ±42. Hardware Loops in MSP50P614/MSP50C614±43. Initial Processor State for String Instructions String InstructionsString Instructions Registers register# = valueMulapl A0, A0~ ±44. Lookup Instructions Lookup InstructionsLookup Instructions Instructions Description Data TransferMOV An, adrs SUB An MOV An, *An Special Filter Instructions Input/Output InstructionsInput/Output Instructions Xk±2 Xk+2 Xk±1 xk+1 32 or Yk = Σm =0..N hm⋅xk-mSpecial Filter Instructions STR,N±2 STR,0 0x0104 After FIR/COR execution Important note about setting the Stat register Firkcoeffs Coeffarray Samplebuf address Coeffarray address FIRK/CORK only Program memory FIRK/CORKFIR/COR only = 0..N CoeffarraySamplebuf Coeffarray is stored Conditionals ConditionalsOperands Symbol Meaning≤ dma6 ≤ ≤ dma16 ≤ ≤ port4 ≤ ≤ port6 ≤Clk AdrsnDma n FlgOffset n Pma nPort n ±46. Addressing Mode Bits and adrs Field Description ±45. Auto Increment and Decrement±47. Flag Addressing Syntax and BIts Individual Instruction Descriptions Individual Instruction DescriptionsExecution 14.1 ADD Add wordSee Also DescriptionAddb PC PC + Flags AffectedOpcode Clock , clk Words , w Adds Add StringAdds A1, A1~, A1 14.4 Bitwise ANDS, ANDB, OR, ORB, ORS, XOR, XORB, Xors A3, *R4Ð±TF2, *0x0020 Src byte PC PC + Andb Bitwise and ByteOF, SF, ZF, CF are set accordingly Clock , clk Word , wAnds A0, A0~, A0 Ands Bitwise and StringAnds A0, A0~, *R2 Clock, clk Word, wSave next instruction address PC + Begloop Begin LoopFlags Affected None Opcode Order to loop N timesCall Unconditional Subroutine Call TOS PC + TOSR7 + NOPTrue condition Not true condition ±48. Names for ccSyntax Alternate Syntax Description 0x2010 CALL, VCALL, RET, IretCTF1 CrnbeStat flags set by src ± src1 operation 14.10 CMP Compare Two WordsPC = PC + w CMPB, CMPS, Jcc, CccCMP R0, R5 CMP R2, 0xfe20Cmpb R3 Cmpb Compare Two BytesPC PC + w Flags Affected Cmps Compare Two StringsCmps A1~ Cmps A2, A2~3n R+2 14.13 COR Correlation Filter FunctionXeven = R xeven + R5 Xeven ++Sample data. During Cork execution, interrupt is queued Cork Correlation Filter FunctionAn, *Rx 3nR+2 Rxeven = Rxeven + R5Decrement R4 by n 1 or First address after Begloop Else Endloop End LoopArgument, it assumes n =1 BEGLOOP, InteAn~ , next a Extsgn Sign Extend WordCopy accumulator sign flag SF to all 16 bits of An~ Dest , modExtsgns Sign Extend String Extsgn 2n R+2 14.18 FIR FIR Filter Function Coefficients in RAMAssembly Language Instructions 101 Firk Be even. During Firk execution, interrupts are queuedRPT, FIR, COR, Cork Assembly Language Instructions 103 Idle Halt ProcessorStop processor clocks 14.21 Input From Port Into Word INS, OUT, OutsA2~, 0x3d IN, OUT, Outs 14.22 INS Input From Port Into StringIM is Stat bit Intd Interrupt DisableStat to INTE, IretInte Interrupt Enable Assembly Language Instructions 107INTD, Iret R7 R7 ± Iret Return From InterruptSee Also RET, CALL, C cc, INTE, Intd Description Return from interrupt. Pop top of stack to program counterPC PC + 14.26 Jcc Conditional Jumps110 If test condition is false, a NOP is executed JNZ See Also JMP, CALL, C cc ExampleJE 0x2010, R3++R5 JIN1 0x2010, R1±±Post±modify Rx if specified 14.27 JMP Unconditional JumpRCF and RZF affected by post±modification of Rx See Also Jcc, CALL, Ccc Example14.28 MOV Move Data Word From Source to Destination Clock, clk Word, w With RPT, clk Class XSF, XZF are set accordinglyTFn, cc , Rx STR, imm8116 With some operand types Example 4.14.28.10 MOV MR, A3, ±±A MOVU, MOVT, MOVB, MOVBS, MovsExample 4.14.28.11 MOV A1~, *A1 Example 4.14.28.12 MOV *0x0200 * 2, R0Example 4.14.28.15 MOV *0x0200 * 2, R0 Example 4.14.28.13 MOV R1, 0x0200Transfer R5 to R0 Example Example 4.14.28.18 MOV *R6 + 8 * 2, DPMovaph Move With Adding PH Execution + PHMOVAPHS, MOVTPH, MOVTPHS, MOVSPH, Movsphs Execution An + PH Movaphs Move With Adding PHBackground. See .8 for more details MOVAPH, MOVTPH, MOVTPHS, MOVSPH, MovsphsCopy value of unsigned src byte to dest byte Movb Move Byte From Source to DestinationMovb A0, *R2 Copy data memory byte pointed by R2 to accumulator A0Movb *R2, A0 Movb A0, 0xf2Movb R2 TAG bit is set to bit 17 th value Movbs Move Byte String from Source to DestinationMovbs A2, *0x0200 Movbs *0x0200, A2Movs Move String from Source to Destination Movs A2~ Movs A1, A1~Movs A1~, A1 Assembly Language Instructions 127 MovsphMOVSPHS, MOVAPH, MOVAPHS, MOVTPH, Movtphs Movsphs Move String With Subtract From PH Second word ± PH MR contents of adrsDetails MOVSPH, MOVAPH, MOVAPHS, MOVTPH, MovtphsPC PC + w Flags Affected None Opcode MovtAvailable MOVU, MOV, MOVT, MOVB, MOVBS, MovsTAG bit is set accordingly UM is set to Movu Move Data UnsignedMOV, MOVB, MOVT, MOVBS, Movs Copy the value pointed by R3 to MRAssembly Language Instructions 131 MR * src PC PC + w Flags Affected 14.38 MUL Multiply RoundedAccumulator pointer if specified MULR, MULAPL, MULSPL, MULSPLS, MULTPL, MULTPLS, MulaplMuls Multiply String With No Data Transfer Length nS+2, where nS is the value in STR registerPH,PL MR * src string MUL, MULR, MULAPL, MULSPL, MULSPLS, MULTPL, MultplsPH ,PL MR * src Mulapl Multiply and Accumulate ResultBackground. See .8 for more detail MULAPLS, MULSPL, MULSPLS, MULTPL, MultplsMulapls Multiply String and Accumulate Result MR * srcMULAPL, MULSPL, MULSPLS, MULTPL, Multpls Occuring in the background. See .8 for more details Mulspl Multiply and Subtract PL From AccumulatorMULSPLS, MULTPL, MULTPLS, MULAPL, Mulapls Syntax Description Mulspl adrsFrom dest string Mulspls Multiply String and Subtract PL From AccumulatorMULSPL, MULTPL, MULTPLS, MULAPL, Mulapls Syntax Description Mulspls adrsMultpl Multiply and Transfer PL to Accumulator Execution PH, PL MR * src PC PC + Flags Affected MultplsStored in An string MULTPL, MULAPL, MULAPLS, MULSPL, MulsplsAccumulator Negac Twos Complement Negation of AccumulatorNEGACS, SUB, SUBB, SUBS, ADD, ADDB, ADDS, NOTAC, Notacs Example 4.14.46.1 Negac A3~, A3, ±±ANegacs Twos Complement Negation of Accumulator String Assembly Language Instructions 141Dest accumulator string NEGAC, SUB, SUBB, SUBS, ADD, ADDB, ADDS, NOTAC, Notacs14.48 NOP No Operation Execution PC PC +RPT NOTACS, AND, ANDB, ANDS, OR, ORB, ORS, XOR, XORB, Xors Notac Ones Complement Negation of AccumulatorNEGAC, Negacs Example 4.14.49.1 Notac A3~, A3, ±±AAccumulator string Notacs Ones Complement Negation of Accumulator StringNegacs A3~14.51 or Bitwise Logical or TFn bits in Stat register are set accordinglyAccumulator pointers are allowed with some operand types ORB, ORS, AND, ANDS, XOR, XORS, NOTAC, Notacs Or A0, *R0++R5Or TF1, *R6+0x22 Or src 14.52 ORB Bitwise or ByteAccumulator is affected OR, ORS, AND, ANDS, XOR, XORS, NOTAC, NotacsPC + w Flags Affected 14.53 ORS Bitwise or StringOR, ORB, AND, ANDS, XOR, XORS, NOTAC, Notacs ORS A0, A0~, A014.54 OUT Address is multipled by 4 to get the actual port addressOUTS, IN, INS Port6 specified in the instruction Outs Output String to PortOUT, IN, INS Port6 , An ~14.56 RET Return From Subroutine CALL, Ccc Assembly Language Instructions 151PC TOS CALL, i.e., RET followed by a RET should not be allowedRflag Reset Memory Flag Sflag , Stag , RtagExample 4.14.57.2 Rflag *R6 + Resets the fractional mode. Clears FM bit of Stat Reset Fractional Mode Syntax14.58 RFM STAT.FMSaturation output normal mode Rovm Reset Overflow ModeResets the overflow mode to zero Stat .OMLoad src to repeat counter 14.60 RPT Repeat Next InstructionLoad imm8 to repeat counter After execution completesStag , Rflag , Sflag Rtag Reset TagRtag *R6+0x0002 Rtag *R6+0x0003Assembly Language Instructions 157 14.62 RXM Reset Extended Sign ModeSTAT.XM SXMAddress flagadrs only accesses the 17 th bit Sflag Set Memory FlagRflag , Stag , Rtag Mode for signed fractional arithmetic 14.64 SFM Set Fractional ModeAssembly Language Instructions 159 Set fractional mode. Set FM bit of Stat toPH , PL 14.65 SHL Shift LeftAccumulator. Use Shlac for this purpose ShlsIts offset. LSB of result is set to zero Shlac Shift Left AccumulatorShift accumulator A1 by one bit to the left Example 4.14.66.2 Shlac A1~, A1, ±±AAccumulators in the string Shlacs Shift Left Accumulator String IndividuallyExample 4.14.68.1 Shlapl A0, *R4++R5 Shlapl Shift Left with AccumulateShlapl A2, *R1++ Example 4.14.68.3 Shlapl A1, A1, ++AShlapls Shift Left String With Accumulate Shift data memory string left, add PL to a nShift a n ~ string left, addb PL to a n ~ Shls Shift Left Accumulator String to Product Assembly Language Instructions 165Execution PH, PL An~Example 4.14.71.1 Shlspl A0, *R4++R5 Shlspl Shift Left With Subtract PLShlspl A2, *R1++ Example 4.14.71.3 Shlspl A1, A1, ++ABit to the next accumulator Shlspls Shift Left String With Subtract PLShlspl , Shltpl , SHLTPLS, SHLAPL, Shlapls Syntax Description Shlspls An, adrsExample 4.14.73.1 Shltpl A0, *R4++R5 Shltpl Shift Left and Transfer PL to AccumulatorShltpl A2, *R1++ Example 4.14.73.3 Shltpl A1, A1, ++AExecution PH, PL src SV Shltpls Shift Left String and Transfer PL to AccumulatorReceives the same data as PH SHLTPL, SHLAPL, SHLAPLS, SHLSPL, ShlsplsRegister Shrac Shift Accumulator RightShift right one bit the accumulator A1 Example 4.14.75.2 Shrac A1~, A1, ++AShracs Shift Accumulator String Right Assembly Language Instructions 171SHRAC, SHL, SHLS, SHLAPL, SHLAPLS, SHLSPL, SHLSPLS, Shltpl ShltplsOutput DSP mode Set Overflow Mode SyntaxSovm STAT.OMStag RTAG, RFLAG, SflagStag *0x401 Dest, src , src1 , next a 14.79 SUB SubtractAn ~ , An , adrs , next a An ~ , An ~ , imm16 , next aSUB A1, A1~, A1 Example 4.14.79.2 SUB A0, A0, 2, ++ASUB A3~, A3, *R4Ð SUB R3, R5Subtract 0x45 from accumulator A2 byte Subb Subtract ByteSubtract 0xF2 from register R3 byte Syntax Description Subb a n, imm8Subs Subtract Accumulataor String Assembly Language Instructions 177Subs A2, A2, A2~ Subs A2, A2~, A2Subs A3~, A3~, PH Sets extended sign mode status register Stat bit 0 to 14.82 SXM Set Extended Sign ModeAssembly Language Instructions 179 RXMPush PC + 0x7F00 Vcall Vectored CallR7 R7 + Flags Affected See Also RET, IRET, CALL, C cc ExampleXOR src For two operands 14.84 XOR Logical XORXOR src For three operands TAG bit is set accordingly Src is flagadrsXORB, XORS, AND, ANDS, OR, ORS, ORB, NOTAC, Notacs Example 4.14.84.1 XOR A1, A1, 0x13FFExample 4.14.84.2 XOR A0, A0, 2, ++A Assembly Language Instructions 183 Xorb Logical XOR ByteXOR, XORS, AND, ANDS, OR, ORS, ORB, NOTAC, Notacs Dest string Xors Logical XOR StringXOR, XORB, AND, ANDS, OR, ORS, ORB, NOTAC, Notacs Xors A2, A2~, A2Assembly Language Instructions 185 Reset the content of accumulator A0 to zero14.87 ZAC Zero Accumulator ZacsZacs Zero Accumulator String Reset the content of offset accumulator string A1~ to zeroPC PC + Flags Affected ZF = Zero the specified accumulator stringAssembly Language Instructions 187 Instruction Set EncodingInstruction Set Encoding 188 Assembly Language Instructions 189 190 Assembly Language Instructions 191 192 Assembly Language Instructions 193 194 True condition Not true condition Assembly Language Instructions 195Instruction Set Summary An~, An~ , next a Pma16 , Rmod Assembly Language Instructions 197An~, imm16 , next a Rx, R5~, adrs , next a ±46 Adrs, a n~ , next a ±46Adrs , *An ±46 An ~, imm16 , next aAdrs, SV Assembly Language Instructions 199Adrs, APn Adrs, TOS~ , next a MR, adrs~, a n~ , next a ~ , a n~TFn, flagadrs NR+3 TFn, cc , Rx An~, An~ , next a NR+3 Assembly Language Instructions 201An~, An~, pma16 An~, An~, An~, a n, a n~ , next a ~, a n~~, a n, a n~ ~, a n~, PHConditional on RZF=0 and RCF=1 Not condition RZF≠0 or RCF≠1 Conditional on RCF=1 Not condition RCF=0Conditional on RZF=1 Not condition RZF=0 Conditional on ZF=0 and SF=1 Not condition ZF≠0 or SF≠1Instruction Set Summay 204Assembly Language InstructionsMC = Pllm value+1 ⋅ 131.07 kHz 206Assembly Language Instructions Summay Instruction Set Summay 208Assembly Language Instructions Code Development Tools Introduction MSP50C6xx Software Development Tool MSP50C6xx Software Development ToolCode Development Tools PC Requirements RequirementsDevelopment Requirements RequirementsHardware Installation Hardware InstallationSoftware Installation Software Installation±5. Setup Window ±6. Exit Setup Dialog ±8. Choose Destination Location Dialog ±9. Select Program Folder Dialog ±10. Copying Files ±11.Setup Complete Dialog Software Emulator Open ScreenSoftware Emulator ±13. Project Menu Projects ±15. File Menu Options±16. MSP50P614/MSP50C614 Code Development Windows Description of Windows±17. RAM Window ±18. CPU Window ±19. Program Window ±20. Hardware Breakpoint Dialog ±21. Inspect Dialog Debugging a Program ±23. I/O Ports Window±24. Debug Menu Software Emulator ±25. Eprom Programming Dialog ±26. Trace Mode ±27. Init Menu Option Initializing ChipEmulator Options ±28. Options Menu Emulator Online Help System ±30. Windows Menu Options±31. Context Sensitive Help System Known Differences, Incompatibilities, Restrictions Assembler Assembler DLLAssembler Assembler Directives Examples~ indicates bitwise complement #IFDEF #ELSE see #IF and #IFDEF#IFNDEF symbol Example #IFDEF symbol#ELSE #ENDIFAssembler Linker LinkerC± ± Compiler Ierr=LINKMAIN sourcefile,exefile± ± Compiler Foreword Variable Types External ReferencesType Name Mnemonic Range Size in Bytes Example 4 C± ± Directives Defines a replacement string for a given stringWithout Arguments With ArgumentsMust be present to terminate a #ifdef or #ifndef directive See #if directiveInclude Files Initializations Function Prototypes and DeclarationsRAM Usage String Functions±1. String Functions An example of the use of xferconst is Constant FunctionsComparisons Implementation DetailsThis section is C± ± specific Signed comparison of a and b. a is in A0, b is in A0~Unsigned comparison of a and b. a is in A0, b is in A0~ Assembly VectorFunction Calls DivisionStack frame has the following structure Low Address High AddressCmmfunc bidonint i1,char *i2 is valid, but Programming ExampleOn Call On RETIfteststringm2,0,lgm2,LTSN Programming Example, C ±± With Assembly Routines ±±±±±±±±±±±±±±± Addb R7,2 To C function return in cmmreturn ±±±±±±±±±±±±±± OldR5 Return Addr Param R7,R5 Stack data Param ±±±±±±±±±±±±±± To ASM function return External ProvidedData Iprtc Implementation Details Nop ret Dummy interrupt routines Implementation Details Implementation Details Beware of Stack Corruption Reported Bugs With Code Development ToolBeware of Stack Corruption Page Applications Application Circuits Application CircuitsMSP50P614 only 100 kΩ MSP50C614/MSP50P614 Initialization Codes MSP50C614/MSP50P614 Initialization CodesFile init.asm Begloop ~,TIM2REFOSC + TIM2IMR Overview Texas Instruments C614 Synthesis CodeGetting Started Texas Instruments C614 Synthesis CodeDirectory Structure Running the ProgramSpkram.irx ROM File DescriptionAdding Another Module RAM UsageUnderstanding the RAM Map Modifying Files and ProjectsThese files may be edited for special purpose code Memory OverlayThese files should never be edited Creating a New ProjectROM Usage With Respect to Various Synthesis Algorithms ROM Usage With Respect to Various Synthesis AlgorithmsCustomer Information Mechanical Information Die Bond-Out CoordinatesMechanical Information Customer Information Package Information±1 -Pin PJM Mechanical Information ±2 -Pin Grid Array Package for the Development Device, P614 ±3 Pin Grid Array PGA Package Leads, P614 Customer Information Fields in the ROM Customer Information Fields in the ROMSpeech Development Cycle Device Production SequenceSpeech Development Cycle Nprf Device Production SequenceNew Product Release Forms Ordering InformationOrdering Information 614New Product Release Forms Authorization to Generate MASKS, PROTOTYPES, and Risk UnitsPage MSP50C605 Preliminary Data Introduction Features ArchitectureFeatures ArchitecturePort Name IO Location MSP50C614 MSP50C605 1 RAM 3 I/O Pins2 ROM Port Description Function Name AddressFigure A±1. MSP50C605 Architecture Data Memory Program MemoryData ROM Peripheral PortsPlastic Package Description Pin# Page MSP50C604 Preliminary Data Introduction Features Architecture PackagingIntroduction MSP50C604 Preliminary Data Figure B±1. MSP50C604 Block Diagram Slave Mode Operation Host Write SequenceHost Read Sequence Program Memory Data MemoryPeripheral Ports Interrupts Packaging PackagingPlastic Package Packaging Topic MSP50C605 Data SheetMSP50C605 Data Sheet