MSP50C6xx Mixed-Signal Processor User’s Guide
Important Notice
How to Use This Manual
About This Manual
Notational Conventions
Iii
Notational Conventions
Here is a sample program listing
Csr -a /user/ti/simuboard/utilities
Information About Cautions and Warnings
Trademarks
This book may contain cautions and warnings
Information About Cautions and Warnings
Page
Contents
Peripheral Functions
Assembly Language Instructions
Contents
Contentsix
Code Development Tools
Applications
Customer Information
Contentsxi
PLL Performance -27 2-10 Instruction Execution and Timing
Tables
Contentsxiii
Tables
Xiv
Introduction to the MSP50C6xx
Features of the MSP50C6xx
Features of the MSP50C6xx
Applications
Consumer Education
Industrial
Aids for the Handicapped
Development Device MSP50P614
Development Device MSP50P614
Functional Description for the MSP50C614
Functional Description for the MSP50C614
Functional Description for the MSP50C614
Crystal Reference Oscillator Connections
Resistor Trim Oscillator Connections
Reset Circuit
MSP50C601, MSP50C604, and MSP50C605
MSP50C601, MSP50C604, and MSP50C605
Page
MSP50C6xx Architecture
Architecture Overview
MSP50C6xx Core Processor Block Diagram
MSP50C6xx Architecture
Computational Unit Block Diagram
Computation Unit
Multiplier
Signed and Unsigned Integer Representation
Computation Unit
Computation Unit
Overview of the Multiplier Unit Operation
Arithmetic Logic Unit
Accumulator Block
Overview of the Arithmetic Logic Unit
Points to Offset
AC Register #
Points to
Data Memory Address Unit
Data Memory Address Unit
RAM Configuration
Data Memory Address Unit
Data Memory Addressing Modes
Program Counter Unit
Program Counter Unit
Bit Logic Unit
Memory Organization RAM and ROM
Memory Organization RAM and ROM
Memory Map
C6xx Memory Map not drawn to scale
Peripheral Communications Ports
Reset LOW
Summary of MSP50C614’s Peripheral Communications Ports
Interrupt Name ROM address Event Source Interrupt Priority
Summary of C614’s Peripheral Communications Ports
Interrupt Vectors
ROM Code Security
Block Protection Word
Address 0x7FFE
Write only
True Protection Marker N TM
= the value programmed at TM5 … TM0 true
Protection marker
≡ the binary complement of N TM
= the value programmed at FM5 … FM0 false
Interrupt Logic
Interrupt Logic
Macro Call Vectors
Bit wide location 00 ← INT number
IFR
Interrupt Logic
Interrupt Initialization Sequence
Clock Control
Oscillator Options
PLL Performance
Clock Control
PLL Performance
Clock Speed Control Register
Clock frequency kHz = Pllm register value + 1 ⋅ 65.536 kHz
RTO Oscillator Trim Adjustment
ClkSpdCtrl register
Rtrim Register Read Only Applies to MSP50C6xx Device Only
ClkSpdCtrl Value Copied Shaded
Timer Registers
Timer Registers
Timer Registers
Reduced Power Modes
Reduced Power Modes
Reduced Power Modes
Reduced Power Modes
Programmable Bits Needed to Control Reduced Power Modes
By Controls
Deeper sleep … relatively less power →
Component Determined
Deeper sleep …
Event Determined
Global interrupt enable is SET
Execution Timing
Execution Timing
Peripheral Functions
I/O
General-Purpose I/O Ports
MSP50C614
MSP50C604 MSP50C605
Peripheral Functions
Control register address 0x04h†
0x14h 0x1Ch 0x24h Possible control values = High-Z Input
Dedicated Input Port F
Data register address
Dedicated Output Port G
Input Port F
Branch on D Port
Totem-Pole Output Port G
Internal and External Interrupts
Interrupt Vector Source Trigger Event Priority Comment
Interrupts
Summary of the interrupts is given in Table
Digital-to-Analog Converter DAC
Pulse-Density Modulation Rate
DAC Control and Data Registers
Digital-to-Analog Converter DAC
Overflow bits Least-significant data value Ignored bits
PDM Clock Divider
PDM Clock Divider
Digital-to-Analog Converter DAC
Example 3-1 -kHz Sampling Rate
DAC
Example 3-2 -kHz Sampling Rate
Comparator
INT6 INT7 TIMER1 Enable
Comparator
Interrupt/General Control Register
Interrupt/General Control Register
IntGenCtrl register
Address Bit wide location Low
Interrupt/General Control Register
Hardware Initialization States
Hardware Initialization States
Hardware Initialization States
Bit Bit Name Initialized Value Description
Assembly Language Instructions
Instruction Set Summary
Introduction
System Registers
Assembly Language Instructions
Top of Stack, TOS
System Registers
Postdecrement
Accumulators AC0-AC31
Product High Register PH
Product Low Register PL
Accumulator Pointers AP0-AP3
Indirect Register R0-R7
Bit
Bits 16
String Register STR
Status Register Stat
Status Register Stat
Function
Instruction Syntax and Addressing Modes
1 MSP50P614/MSP50C614 Instruction Syntax
Addressing Mode Encoding
Addressing Modes
Bit Opcode
Next a
Addressing Mode Bits and adrs Field Description
Rx Bit Description
MSP50P614/MSP50C614 Addressing Modes Summary
Auto Increment and Auto Decrement Modes
Flag addressing mode encoding, flagadrs
Flag Repeat
Flagadrs
Clocks Words Addressing Operation, † Syntax
Immediate Addressing
Syntax
Example
ADD AP0, 0x1A
Direct Addressing
MOV *0x012F * 2, *A0
Mulr *0x02A1
Memory Operand
Indirect Addressing
Indirect Addressing Syntax
SyntaxOperation
Rx x = 0 Address Memory Operand ++ -- ++R5
Relative Addressing
MOV A2, *R0
*R4++
Movb *R7++, A3
R6 page register Address Bit positive offset Operand
A0, *R3+R5
Rx x = 0 Address Index Register R5 Operand
MOV A3, *R6+0x10
Rx x = 0 Address Memory Operand
Flag Addressing
TF1, *0x20
Or TF2, *R6+0x02
XOR TF1, *R6+0x20
8 Tag/Flag Bits
Possible sources of confusion Consider the following code
TF1,*ram1 TF1 bit in Stat is set!?
10. Symbols and Explanation
Symbol Explanation
Instruction Classification
Instruction Classification
11. Symbols and Explanation
11. Instruction Classification
Next a Accumulator control bits as described in Table
Class Sub- Description
Class Sub Description
12. Classes and Opcode Definition
Class 1 Instructions Memory and Accumulator Reference
13. Class 1 Instruction Encoding
14. Class 1a Instruction Description
C1a ~A~
C1b
15. Class 1b Instruction Description
C1b Mnemonic Description
Class 2 Instructions Accumulator and Constant Reference
C2a Mnemonic Description
16. Class 2 Instruction Encoding
17. Class 2a Instruction Description
18. Class 2b Instruction Description
Class 3 Instruction Accumulator Reference
C2b Mnemonic Description
ADD An ~, An ~, imm16 , next a
19. Class 3 Instruction Encoding
20. Class 3 Instruction Description
Mnemonic Description
Subs An~, An~, An Modified ADD An~, An~, An , next a
Zero or be set equal to the sign bit Xsgm dependent
SUB a n~, a n~, PH , next a
ALU status is modified. String bit causes subtract with
Carry status CF
PH msbs extended by XM mode bit. Transfer the lower
MOV SV, An~ , next a
Is modified
From the offset accumulator A~=1 or accumulator
Class 4 Instructions Address Register and Memory Reference
21. Class 4a Instruction Encoding
22. Class 4a Instruction Description
23. Class 4b Instruction Description
24. Class 4c Instruction Description
25. Class 4d Instruction Description
Class 5 Instructions Memory Reference
26. Class 5 Instruction Encoding
27. Class 5 Instruction Description
Adrs. Transfer status is modified
Dressing mode adrs. Transfer status is modified
MOV adrs, TOS
Stag adrs
Tag bit
Class 6 Instructions Port and Memory Reference
28. Class 6a Instruction Encoding
29. Class 6a Instruction Description
C6a Mnemonic Description
C6b Mnemonic Description
30. Class 6b Instruction Description
Class 7 Instructions Program Control
31. Class 7 Instruction Encoding and Description
Vector8
Jcc
Ccc
Class 8 Instructions Logic and Bit
32. Class 8a Instruction Encoding
33. Class 8a Instruction Description
34. Class 8b Instruction Description
Class 9 Instructions Miscellaneous
C8a Mnemonic Description
35. Class 9a Instruction Encoding
36. Class 9a Instruction Description
37. Class 9b Instruction Description
C9a Mnemonic Description
Bit, Byte, Word and String Addressing
38. Class 9c Instruction Description
39. Class 9d Instruction Description
C9c Mnemonic Description
Global Flags Relative
0000h 0001h 0002h 0040h 0041h Nnnn 17th Bit
Word
0000h MS Byte LS Byte
Mode Address Used Data Order Rx Post modify †
40. Data Memory Address and Data Relationship
Movb A0, *0x0003
MOV A0, *0x0004
Which uses the absolute word memory address
Rflag
MSP50P614/MSP50C614 Computational Modes
MSP50P614/MSP50C614 Computational Modes
Computational Setting Resetting Function Mode Instruction
41. MSP50P614/MSP50C614 Computational Modes
SXM
Example 4.6.1 SXM
Example 4.6.1 Sovm
Example 4.6.2 Sovm
Hardware Loop Instructions
Hardware Loop Instructions
Completion of the BEGLOOP/ENDLOOP block
42. Hardware Loops in MSP50P614/MSP50C614
Syntax Operation Limitations
String Instructions
43. Initial Processor State for String Instructions
Data memory *address = data
Program memory *address = data
Mulapl A0, A0~
Lookup Instructions
44. Lookup Instructions
Lookup Instructions
Instructions Description Data Transfer
MOV An, adrs SUB An MOV An, *An
Input/Output Instructions
Special Filter Instructions
Input/Output Instructions
Xk-2 Xk+2 Xk-1 xk+1 32 or
Special Filter Instructions
Special Filter Instructions
STR,0
0x0100 0x0102
0x0104
0x0106
Go back N words to wrap around
After FIR/COR execution
Important Note About Setting the Stat Register
Firkcoeffs
Coeffarray address FIRK/CORK only Program memory FIRK/CORK
Coeffarray Samplebuf address
FIR/COR only = 0..N
Coeffarray
Samplebuf Coeffarray is stored
Conditionals
Conditionals
Symbol Meaning
Operands
Offset16 ≤
Port4 ≤ Port6 ≤
Adrsn
Clk
Dma n
Flg
Port n
Offset n
Pma n
47. Flag Addressing Syntax and BIts
46. Addressing Mode Bits and adrs Field Description
45. Auto Increment and Decrement
Individual Instruction Descriptions
Individual Instruction Descriptions
14.1 ADD Add word
Execution
Description
See Also
Opcode
Addb
PC PC + Flags Affected
Adds Add String
Clock , clk Words , w
Adds A1, A1~, A1
14.4 Bitwise
TF2, *0x0020
ANDS, ANDB, OR, ORB, ORS, XOR, XORB, Xors
A3, *R4
Andb Bitwise and Byte
Src byte PC PC +
OF, SF, ZF, CF are set accordingly
Clock , clk Word , w
Ands A0, A0~, *R2
Ands Bitwise and String
Ands A0, A0~, A0
Begloop Begin Loop
Save next instruction address PC +
Flags Affected None Opcode
Order to loop N times
Call Unconditional Subroutine Call
RET
NOP
14.9 Ccc
TOS
48. Names for cc
True condition Not true condition
Syntax Alternate Syntax Description
CALL, VCALL, RET, Iret
0x2010
CTF1
Crnbe
14.10 CMP Compare Two Words
Stat flags set by src src1 operation
PC = PC + w
CMPB, CMPS, Jcc, Ccc
CMP R2, 0xfe20
CMP R0, R5
Cmpb Compare Two Bytes
Cmpb R3
Cmps Compare Two Strings
PC PC + w Flags Affected
Cmps A1~
Cmps A2, A2~
With RPT instruction. See .11 for more detail on the setup
14.13 COR Correlation Filter Function
An, *Rx 3nR+2
Rxeven = Rxeven + R5
Cork Correlation Filter Function
Sample data. During Cork execution, interrupt is queued
3n R+2
Xeven = R xeven + R5
Endloop End Loop
Decrement R4 by n 1 or PC first address after Begloop else
Argument, it assumes n =1
BEGLOOP, Inte
Extsgn Sign Extend Word
~ , next a
Copy accumulator sign flag SF to all 16 bits of a n ~
Dest , mod
Extsgns Sign Extend String
An~
100
Assembly Language Instructions 101
14.18 FIR FIR Filter Function Coefficients in RAM
An, *Rx 2nR+2
Rxeven++
102
Assembly Language Instructions 103
Firk
Idle Halt Processor
104
A2~, 0x3d
14.21 Input From Port Into Word
INS, OUT, Outs
14.22 INS Input From Port Into String
IN, OUT, Outs
Intd Interrupt Disable
Assembly Language Instructions 107
STAT.IM
IM is Stat bit PC PC + Flags Affected None Opcode
Interrupt Enable
Inte
INTD, Iret
Clock, clk Word, w With RPT, clk Class
Assembly Language Instructions 109
Iret Return From Interrupt
Conditional Jumps
RCF and RZF affected by post-modification of R
Assembly Language Instructions 111
Cc names
If test condition is false, a NOP is executed
See Also JMP, CALL, C cc Example
JNZ
JE 0x2010, R3++R5
Jtag 0x2010, R2++
14.27 JMP Unconditional Jump
Post-modify R x if specified
See Also Cc, CALL, C cc Example
Instruction Operation
14.28 MOV Move Data Word From Source to Destination
XSF, XZF are set accordingly
Clock , clk Word , w With RPT , clk Class
TF n, cc , R
STR, imm8
Assembly Language Instructions 117
MOV adrs, DP
With some operand types
MOVU, MOVT, MOVB, MOVBS, Movs
Example 4.14.28.10 MOV MR, A3, --A
Example 4.14.28.11 MOV A1~, *A1
Example 4.14.28.12 MOV *0x0200 * 2, R0
Example 4.14.28.13 MOV R1, 0x0200
Example 4.14.28.15 MOV *0x0200 * 2, R0
Transfer R5 to R0 Example
Example 4.14.28.18 MOV *R6 + 8 * 2, DP
MOVAPHS, MOVTPH, MOVTPHS, MOVSPH, Movsphs
Movaph Move With Adding PH
Execution An + PH
Movaphs Move With Adding PH
Execution + PH
Background. See .8 for more details
MOVAPH, MOVTPH, MOVTPHS, MOVSPH, Movsphs
Movb Move Byte From Source to Destination
Copy value of unsigned src byte to dest byte
Movb A0, *R2
Copy data memory byte pointed by R2 to accumulator A0
Movb R2
Movb *R2, A0
Movb A0, 0xf2
Movbs Move Byte String from Source to Destination
TAG bit is set to bit 17th value
Movbs A2, *0x0200
Movbs *0x0200, A2
Movs Move String from Source to Destination
An ~ , adrs
Adrs , An ~
Adrs , *An
MOVU, MOV, MOVT, MOVB, Movbs
Movs A2~
Movs A1, A1~
Movs A1~, A1
128
Movsph
MOVSPHS, MOVAPH, MOVAPHS, MOVTPH, Movtphs
An second word PH MR contents of adrs
Assembly Language Instructions 129
Movsphs Move String With Subtract From PH
Details
Movt
PC PC + w Flags Affected None Opcode
Available
MOVU, MOV, MOVT, MOVB, MOVBS, Movs
Movu Move Data Unsigned
TAG bit is set accordingly UM is set to
MOV, MOVB, MOVT, MOVBS, Movs
Copy the value pointed by R3 to MR
132
MR/SV An S APn
Xxxxxx Xxxx00 Flag Bit
14.38 MUL Multiply Rounded
MR * src PC PC + w Flags Affected
Accumulator pointer if specified
MULR, MULAPL, MULSPL, MULSPLS, MULTPL, MULTPLS, Mulapl
Mulr Multiply Rounded With No Data Transfer
MR * src PC PC + Flags Affected
MULS, MUL, MULAPL, MULSPL, MULSPLS, MULTPL, Multpls
Mulapl
Length nS+2, where nS is the value in STR register
Assembly Language Instructions 135
Muls Multiply String With No Data Transfer
PH,PL MR * src string
Mulapl Multiply and Accumulate Result
PH ,PL MR * src
Background. See .8 for more detail
MULAPLS, MULSPL, MULSPLS, MULTPL, Multpls
MULAPL, MULSPL, MULSPLS, MULTPL, Multpls
Mulapls Multiply String and Accumulate Result
MR * src
Mulspl Multiply and Subtract PL From Accumulator
Occuring in the background. See .8 for more details
MULSPLS, MULTPL, MULTPLS, MULAPL, Mulapls
Syntax Description Mulspl adrs
Mulspls Multiply String and Subtract PL From Accumulator
From dest string
MULSPL, MULTPL, MULTPLS, MULAPL, Mulapls
Syntax Description Mulspls adrs
Multpl Multiply and Transfer PL to Accumulator
~ , a n ~ , next a
Value of src. The 16 MSBs
Multiply MR by data memory word, move PL to a n
Multpls
Execution PH, PL MR * src PC PC + Flags Affected
MULTPL, MULAPL, MULAPLS, MULSPL, Mulspls
Example 4.14.46.2 Multpls A2, A2~
Negac Two’s Complement Negation of Accumulator
Accumulator
NEGACS, SUB, SUBB, SUBS, ADD, ADDB, ADDS, NOTAC, Notacs
Example 4.14.47.1 Negac A3~, A3, --A
Assembly Language Instructions 143
Negacs Two’s Complement Negation of Accumulator String
Dest accumulator string
NEGAC, SUB, SUBB, SUBS, ADD, ADDB, ADDS, NOTAC, Notacs
RPT
14.49 NOP No Operation
Execution PC PC +
Notac One’s Complement Negation of Accumulator
NOTACS, AND, ANDB, ANDS, OR, ORB, ORS, XOR, XORB, Xors
NEGAC, Negacs
Example 4.14.50.1 Notac A3~, A3, --A
Notacs One’s Complement Negation of Accumulator String
Accumulator string
Negacs
A3~
Accumulator pointers are allowed with some operand types
14.52 or Bitwise Logical or
TFn bits in Stat register are set accordingly
ORB, ORS, AND, ANDS, XOR, XORS, NOTAC, Notacs
Or A0, *R0++R5
Or TF1, *R6+0x22
148
14.53 ORB Bitwise or Byte
Or src
Accumulator is affected
OR, ORS, AND, ANDS, XOR, XORS, NOTAC, Notacs
14.54 ORS Bitwise or String
PC + w Flags Affected
OR, ORB, AND, ANDS, XOR, XORS, NOTAC, Notacs
ORS A0, A0~, A0
OUTS, IN, INS
14.55 OUT
Address is multipled by 4 to get the actual port address
Outs Output String to Port
Port6 specified in the instruction
OUT, IN, INS
Port6 , An ~
14.57 RET Return From Subroutine CALL, Ccc
PC TOS
R7 R7 Flags Affected
CALL, i.e., RET followed by a RET should not be allowed
Example 4.14.58.2 Rflag *R6 +
Rflag Reset Memory Flag
Sflag , Stag , Rtag
Reset Fractional Mode Syntax
Resets the fractional mode. Clears FM bit of Stat
14.59 RFM
STAT.FM
Rovm Reset Overflow Mode
Saturation output normal mode
Resets the overflow mode to zero
Stat .OM
14.61 RPT Repeat Next Instruction
If RPT adrs8 Load src to repeat counter
Load imm8 to repeat counter
After execution completes
Rtag Reset Tag
Stag , Rflag , Sflag
Rtag *R6+0x0002
Rtag *R6+0x0003
14.63 RXM Reset Extended Sign Mode
Assembly Language Instructions 159
STAT.XM
SXM
Address flagadrs only accesses the 17 th bit
Sflag Set Memory Flag
Rflag , Stag , Rtag
160
14.65 SFM Set Fractional Mode
Mode for signed fractional arithmetic
Assembly Language Instructions 161
Set fractional mode. Set FM bit of Stat to
14.66 SHL Shift Left
PH , PL
Accumulator. Use Shlac for this purpose
Shls
Shlac Shift Left Accumulator
Its offset. LSB of result is set to zero
Shift accumulator A1 by one bit to the left
Example 4.14.67.2 Shlac A1~, A1, --A
164
Shlacs Shift Left Accumulator String Individually
Accumulators in the string
Shlapl Shift Left with Accumulate
Example 4.14.69.1 Shlapl A0, *R4++R5
Shlapl A2, *R1++
Example 4.14.69.3 Shlapl A1, A1, ++A
Shift a n ~ string left, addb PL to a n ~
Shlapls Shift Left String With Accumulate
Shift data memory string left, add PL to a n
Assembly Language Instructions 167
Shls Shift Left Accumulator String to Product
Execution PH, PL
An~
Shlspl Shift Left With Subtract PL
Example 4.14.72.1 Shlspl A0, *R4++R5
Shlspl A2, *R1++
Example 4.14.72.3 Shlspl A1, A1, ++A
Assembly Language Instructions 169
Shlspls Shift Left String With Subtract PL
NS+3 NR+3
Shift RAM string left, subtract PL from An
Shltpl Shift Left and Transfer PL to Accumulator
Example 4.14.74.1 Shltpl A0, *R4++R5
Shltpl A2, *R1++
Example 4.14.74.3 Shltpl A1, A1, ++A
Shltpls Shift Left String and Transfer PL to Accumulator
Receives the same data as PH
SHLTPL, SHLAPL, SHLAPLS, SHLSPL, Shlspls
Shift the accumulator string A1 by nSV bits to the left
Shrac Shift Accumulator Right
Register
Shift right one bit the accumulator A1
Example 4.14.76.2 Shrac A1~, A1, ++A
Assembly Language Instructions 173
Shracs Shift Accumulator String Right
SHRAC, SHL, SHLS, SHLAPL, SHLAPLS, SHLSPL, SHLSPLS, Shltpl
Shltpls
Set Overflow Mode Syntax
Output DSP mode
Sovm
STAT.OM
Stag *0x401
Stag
RTAG, RFLAG, Sflag
14.80 SUB Subtract
Dest, src , src1 , next a
An ~ , An , adrs , next a
An ~ , An ~ , imm16 , next a
Example 4.14.80.2 SUB A0, A0, 2, ++A
SUB A1, A1~, A1
SUB A3~, A3, *R4
SUB R3, R5
Subb Subtract Byte
Subtract 0x45 from accumulator A2 byte
Subtract 0xF2 from register R3 byte
Syntax Description Subb a n, imm8
NR+2
Assembly Language Instructions 179
Subs Subtract Accumulataor String
Subs A2, A2, A2~
Subs A2, A2~, A2
Subs A3~, A3~, PH
180
14.83 SXM Set Extended Sign Mode
Sets extended sign mode status register Stat bit 0 to
Assembly Language Instructions 181
RXM
Vcall Vectored Call
Push PC + 0x7F00
R7 R7 + Flags Affected
See Also RET, IRET, CALL, C cc Example
14.85 XOR Logical XOR
XOR src For two operands
XOR src For three operands
TAG bit is set accordingly Src is flagadrs
Example 4.14.85.2 XOR A0, A0, 2, ++A
XORB, XORS, AND, ANDS, OR, ORS, ORB, NOTAC, Notacs
Example 4.14.85.1 XOR A1, A1, 0x13FF
XOR, XORS, AND, ANDS, OR, ORS, ORB, NOTAC, Notacs
Assembly Language Instructions 185
Xorb Logical XOR Byte
Xors Logical XOR String
Dest string
XOR, XORB, AND, ANDS, OR, ORS, ORB, NOTAC, Notacs
Xors A2, A2~, A2
14.88 ZAC Zero Accumulator
PC PC + Flags Affected ZF =
Zacs
ZAC A1~, ++A
Reset the content of offset accumulator string A1~ to zero
Zacs Zero Accumulator String
Zero the specified accumulator string
ZAC
Instruction Set Encoding
Assembly Language Instructions 189
Instruction Set Encoding
190
Assembly Language Instructions 191
192
Assembly Language Instructions 193
194
Assembly Language Instructions 195
196
Assembly Language Instructions 197
Description True condition Not true condition
Instruction Set Summary
Pma16 , Rmod Assembly Language Instructions 199
An~, An~ , next a
An~, pma16
An, An~
Adrs, a n~ , next a
~, adrs , next a
An ~, imm16 , next a
MR , imm16 , next a
Assembly Language Instructions 201
Adrs, TOS
STR, adrs
Flagadrs† , TFn
~ , next a
~, a n~ , next a
~ , a n~
Adrs An ~, An ~, imm16 , next a ~, a n~, a n , next a
An~, An~ , next a NR+3 Assembly Language Instructions 203
TFn, flagadrs NR+3 TFn, cc , Rx
An~, An~, pma16
An~, An~, An
~, a n~
~, a n, a n~ , next a
~, a n, a n~
~, a n~, PH
Conditional on RCF=1 Not condition RCF=0
Conditional on RZF=0 and RCF=1 Not condition RZF≠ 0 or RCF≠
Conditional on RZF=1 Not condition RZF=0
Conditional on ZF=0 and SF=1 Not condition ZF≠ Or SF≠
206Assembly Language Instructions
Instruction Set Summay
MC = Pllm value+1 ⋅ 131.07 kHz
208Assembly Language Instructions
Summay
Language Instructions
209
Instruction Set Summay 210Assembly Language Instructions
Code Development Tools
Introduction
Pin IDC Connector top view looking at the board
Code Development Tools
MSP50C6xx Development Tools Guidelines
Categories of MSP50Cxx Development Tools
SDK50P614 kit of 15 MSP50P614s
MSP50C6xx Development Tools Guidelines
Tools Definitions
SPEECH-EVM†PC50C604†
MSP50C6xx Development Tools Guidelines
Software Tools-Definitions
System Requirements
MSP50C6xx Code Development Tools
Documentation
Hardware Tools Setup
Red MSPSCANPORTI/F power Yellow
Green Target board power
Assembler
Assembler Directives
Examples
Assembler
An assembly language program
#ELSE see #IF and #IFDEF
#IF expression Do something here
#ELSE
Do other things here
#ENDIF
Example #IFDEF symbol
#IFNDEF symbol
Assembler
Compiler
Compiler
Foreword
Type Name Mnemonic Range Size in Bytes Example
Variable Types
External References
Defines a replacement string for a given string
Directives
Without Arguments
With Arguments
Include Files
See #if directive
#define STRLENGTHi Major Differences between C and C
Function Prototypes and Declarations
Initializations
RAM Usage
Initialization values are stored in program memory
Operator can take the following values predefined constants
String Functions
String Functions
Constant Functions
An example of the use of xferconst is
Implementation Details
Comparisons
This section is C- specific
Signed comparison of a and b. a is in A0, b is in A0~
Assembly Vector
Unsigned comparison of a and b. a is in A0, b is in A0~
Ult
Ugt
Division
Function Calls
Stack frame has the following structure
Low Address High Address
Programming Example
Cmmfunc bidonint i1,char *i2 is valid, but
On Call
On RET
#include cmmmacr.h
Programming Example, C -- With Assembly Routines
Reserved
Implementation Details
R7Param
Addb R7,2
To C function return in roncoreturn
OldR5 Return Addr Param R7,R5 Stack data
Param R7,R5 Stack data Before call Parameter
Return Addr Param Stack data
Efficiency
Efficiency
To ASM function return
Efficiency
Real Time Clock Example
Example 5-1. First Project
Jrtc.rpj Hmodules
Allocated by changing
MAINRAM.IRX
Efficiency
CMM1.ASM
Sixth file, cmm1ram.asm, allocates memory for cmm1.asm
Allocated as follows
MAIN.CMM
Example 5-2. Second Project C-- With Speech
Celp Celp.irx
Util.obj
Dspvar.irx dsputil.asm getbits.asm speak.asm speak.irx
Isr Tim2isr.asm dacisr.asm J tim1isr.asm
Tens.qfm
Melp
Ampm.qfm
Dsp
Ramendcustomer Ramstartcustomer
Clock will need to say
Assembly routines that will be called are declared external
New C-- callable functions were declared global
Cmmfunc speakHours
Example 5-3. Third Project C-- with an LCD
Celp Ampm.qfm Days.qfm Ones.qfm Teens.qfm
Melp.irx Melp.obj
Lcd Lcd.asm Lcd.irx
External lcdsetio external lcdinit
Case
Efficiency
Beware of Stack Corruption
Beware of Stack Corruption
Reported Bugs With Code Development Tool
Reported Bugs With Code Development Tool
Applications
Application Circuits
Application Circuits
∝ F 22 pF
MSP50P614 only 100 kΩ
3300 pF
Applications6-3
Initializing the MSP50C6xx
Initializing the MSP50C6xx
File init.asm
Applications6-5
JNZ Itsacpart Itsappart
Applications6-7
TI-TALKS Example Code
TI-TALKS Example Code
Getting Started
RAM Overlay
Creating a New Project
RAM Overlay
Applications6-9
RAM Overlay
Adding Customer Variables
Common Problems
Page
Customer Information
Package Information
Mechanical Information
Die Bond-Out Coordinates
Signal and Pad Descriptions for the MSP50C614
Customer Information
Signal and Pad Descriptions for the MSP50C605
Signal and Pad Descriptions for the MSP50C601
Signal and Pad Descriptions for the MSP50C604
Pin QFP Mechanical Information
13 NOM
13 12 11 10 9 8 7 6 5 4 3 2
Extra pin 3 4 5 6 7 8 9 10 11 12 13 Bottom View
Bottom View of 120-Pin PGA Package of the MSP50P614
Bottom view
0x0006 Device number 0x0614
Customer Information Fields in the ROM
Customer Information Fields in the ROM
Speech Specification
Speech Development Cycle
Device Production Sequence
Software Design Hardware Design
Device Production Sequence
Ordering Information
New Product Release Forms Nprf
6xx
Code Letter PJM Loopin 100-Pin QFP
New Product Release Forms Nprf
Approval of Prototypes and Authorization to Start Production
NEW Product Release Form for MSP50C604 Option Selection
New Product Release Forms Nprf
NEW Product Release Form for MSP50C605 Option Selection
New Product Release Forms Nprf
NEW Product Release Form for MSP50C601 Option Selection
New Product Release Forms Nprf
Additional Information
Topic
Additional Information
Additional Information