Manuals / Intel / Personal Care / Microscope & Magnifier

Intel 8XC196MC, 8XC196MD, 8XC196MH manual Xmitbuf Dsb Bufsize Block of data to send Shiftreg

Models: 8XC196MD 8XC196MH 8XC196MC

1 579

Download 579 pages 24.12 Kb

Page 194

FREQUENCY GENERATOR

;
temp:	dsw	1
temp1:	dsw	1
temp2:	dsw	1
buf_start:	dsw	1
buf_cnt:	dsb	1
bit_cnt:	dsb	1
flag:	dsb	1
			;bit 0 = zero being sent
			;bit 1 = one being sent
			;bit 5 = get next bit
			;bit 6 = get next byte
			;bit 7 = buffer send in progress
;
xmit_buf:	dsb	buf_size	;block of data to send
shift_reg:	dsb	1
;

;*****************************

;MAIN PROGRAM ;*****************************

;Define the program location and set up the interrupts and stack. ;*****************************

cseg at 0e000h			;RISM user space
;
start:	di		;set up	interrupts
	dpts
	andb	int_pend1,#10000000b;
	orb	int_mask1,#00000010b;unmask		compare3
	ld	sp,#0200h	;set up	stack

;*****************************

;Initialize pin P7.7/FREQOUT for I/O and set the pin low. ;*****************************

ldb	wsr,#7EH	;move	SFR;s into window
andb	p7_reg_w,#01111111b ;P7.7		=	low
andb	p7_dir_w,#01111111b ;P7.7		comp output
andb	p7_mode_w,#01111111b;P7.7		=	I/O
ldb	wsr,zero_reg

;*****************************

;This section fills the data buffer with a “fill” character.

;An application would typically place a block of data here. ;*****************************

	ld	temp,#xmit_buf	;initialize buffer data
	ldb	temp1,#fill_char
	ldb	temp2,#buf_size
fill:	stb	temp1,[temp]+
	djnz	temp2,fill

;*****************************

;Start timer 1 with a 1 microsecond clock period,

;load the carrier frequency into FREQ_GEN, and

;enable the interrupts. ;*****************************

ldb	temp,#11000010b	;init EPA timer1
stb	temp,t1control[0]	;1 uS ticks
ldb	temp,#carrier_freq	;load carrier freq

8-7

Image 194

Intel 8XC196MC, 8XC196MD, 8XC196MH manual Xmitbuf Dsb Bufsize Block of data to send Shiftreg

Contents

8XC196MC, 8XC196MD, 8XC196MH Microcontroller User’ Manual We Value Your Opinion Page 8XC196MC, 8XC196MD, 8XC196MH Microcontroller User’s Manual Intel Corporation Contents Chapter Memory Partitions Contents 8XC196MC, MD, MH USER’S Manual Application Example PWM Signals and RegistersFunctional Overview Programming the Frequency Generator Programming the Waveform GeneratorChapter Event Processor Array EPA Chapter Minimum Hardware Considerations Chapter Programming the Nonvolatile Memory Appendix C Registers Glossary Index Figures 10-5 15-9 Ready Timing Diagram One Wait State 8XC196MH 15-21 Tables 11-12 16-7 Pmode Values Guide to This Manual Page Manual Contents Chapter Guide to this ManualSpecial Operating Modes Notational Conventions and Terminology Assert and deassertNumbers Related Documents Title Order Number Handbooks and Product InformationApplication Notes, Application Briefs, and Article Reprints MCS 96 Microcontroller Datasheets Commercial/Express MCS 96 Microcontroller Datasheets AutomotiveThis Page Left Intentionally Blank Guide to this Manual This Page Left Intentionally Blank Product Literature World Wide WebTechnical Support Page Architectural Overview Page Microcontroller Features Typical ApplicationsOtprom Features of the 8XC196Mx Product FamilyFunctional Overview SIO PWMCPU ROMPTS EPA PWM WDT SIO RAMRegister Arithmetic-logic Unit Ralu CPU ControlRegister File Code Execution Instruction FormatInterrupt Service Memory Interface UnitInternal Timing Clock CircuitryInternal Peripherals State Times at Various Frequencies1 I/O Ports Serial I/O SIO PortFrequency Generator Event Processor Array EPA and Timer/CountersPulse-width Modulator PWM Waveform GeneratorTesting the Printed Circuit Board Watchdog TimerReducing Power Consumption Analog-to-digital ConverterProgramming the Nonvolatile Memory Programming Considerations Page Operand Type No. Signed Possible Values Addressing Overview of the Instruction SETOperand Type Definitions RestrictionsSHORT-INTEGER Operands BIT OperandsByte Operands Word OperandsInteger Operands DOUBLE-WORD OperandsConditional Jumps LONG-INTEGER OperandsConverting Operands Floating Point OperationsAddressing Modes Indirect Addressing Direct AddressingImmediate Addressing Definition of Temporary RegistersIndirect Addressing with the Stack Pointer Indexed AddressingIndirect Addressing with Autoincrement Short-indexed AddressingLong-indexed Addressing Zero-indexed AddressingSoftware Standards and Conventions Assembly Language Addressing Mode SelectionsUsing Registers Addressing 32-bit Operands Linking SubroutinesSoftware Protection Features and Guidelines 8XC196MC, MD, MH USER’S Manual Memory Partitions Page Program and Special-purpose Memory Memory PartitionsExternal Devices Memory or I/O Device Program MemoryMemory Map Description Addressing ModesReserved Memory Locations Special-purpose MemorySpecial-purpose Memory Addresses Interrupt and PTS VectorsSecurity Key Chip Configuration Bytes CCBsSpecial-function Registers SFRs Memory-mapped SFRs Peripheral SFRsPort 2 SFRs EPA and Timer SFRsPeripheral SFRs 8XC196MC SFRsPeripheral SFRs 8XC196MD Ports 2 and 7 SFRsPort 1 SFRs Peripheral SFRs 8XC196MHPort 0 and 2 SFRs Serial I/O Port SFRsRegister File Memory Map AddressStack Pointer SP Register File Memory AddressesGeneral-purpose Register RAM Device and Hex Address Range Description Addressing ModesAddress High Odd Byte Low Even Byte CPU Special-function Registers SFRsCPU SFRs 02FFH 01FFH Windowing8XC196MC,MD 00FFHBit Function Number Selecting a WindowWSR WSR Value for PeripheralsAddressing a Location Through a Window 10. Selecting a Window of the Upper Register FileBase WSR Value WSR Value for 11. Windows12. Windowed Base Addresses Peripheral SFRs2.3 128-byte Windowing Example 2.1 32-byte Windowing Example2.2 64-byte Windowing Example Unsupported Locations Windowing ExampleUsing the Linker Locator to Set Up a Window ?WSRThis listing shows the disassembled code Windowing and Addressing Modes LDB WSR, #12HPage Standard and PTS Interrupts Page Chapter Standard and PTS Interrupts Overview of InterruptsFlow Diagram for PTS and Standard Interrupts Interrupt and PTS Control and Status Registers Interrupt Signals and RegistersInterrupt Signals Ptssel Interrupt Sources and PrioritiesPipend 1FBEH PtssrvInterrupt Source Mnemonic Name Vector Priority Interrupt Controller PTS ServiceInterrupt Sources, Vectors, and Priorities Unimplemented Opcode Special InterruptsExternal Interrupt Pin Software TrapMultiplexed Interrupt Sources Waveform Generator Protection CircuitryFlow Diagram for the Ovrtm Interrupt Situations that Increase Interrupt Latency End-of-PTS InterruptsInterrupt Latency Calculating Latency Standard Interrupt LatencyStandard Interrupt Response Time PTS Interrupt Latency Execution Times for PTS Cycles PTS Mode Execution Time in State TimesProgramming the Interrupts Standard and PTS Interrupts 8XC196MD Ptssel8XC196MC Bit FunctionBit Mnemonic Interrupt Standard Vector IntmaskCOMP2 EPA2 COMP1 EPA1 COMP3 COMP0 EPA0 Ovrtm COMP2 MC, MDNMI Extint EPA5 INTMASK1NMI Extint NMI Extint SPI COMP3 EPA3 COMP4 EPA4 RI1 RI0 TI1 TI0Bit Function Number Mnemonic Pimask8XC196MC 8XC196MD OVRTM1 Modifying Interrupt PrioritiesPimask Standard and PTS Interrupts Determining the Source of an Interrupt 10. Interrupt Pending Intpend Register Intpend11. Interrupt Pending 1 INTPEND1 Register INTPEND112. Peripheral Interrupt Pending Pipend Register PipendInitializing the PTS Control Blocks PipendSpecifying the PTS Count 14. PTS Service Ptssrv Register PtssrvPtscon Selecting the PTS ModeSingle Transfer Mode Register Location Function PTS Single Transfer Mode Control BlockPtsdst H Ptsdst L Ptssrc H Ptssrc L Ptscon Ptscount Ptsdst Ptscb +Standard and PTS Interrupts Block Transfer Mode Ptscb Block Transfer ModeSingle Transfer Mode Ptscb PTS Block Transfer Mode Control Block Ptsblock Ptscb +5 A/D Scan Mode PTS A/D Scan Mode Control Block A/D Scan Mode Command/Data Table Address Contents5.1 A/D Scan Mode Cycles 5.2 A/D Scan Mode ExamplePTSPTR2 H = 1FH PTSPTR2 L = AAH Command/Data Table ExampleA/D Scan Mode Ptscb Example Ptscount = 04H11. A/D Scan Mode Ptscb Example 5.3 A/D Scan Mode Example10. Command/Data Table Example Serial I/O ModesPtsvec PTS Serial I/O Mode Control Block 1 8XC196MC, MDSA1 SA0 MAJ SA1 BaudEpareg SA0 †8XC196MC, MD, MH USER’S Manual Port Address Pointer high byte PTS Serial I/O Mode Control Block 2 8XC196MC, MDPort Mask Register Rpar DataPTSCON1 Portreg PTS Serial I/O Mode Control Block8XC196MC, MD Register Location Function 8XC196MC, MD, MH USER’S Manual 13. Ssio Transmit Mode PTSCBs PTSCB1 PTSCB2Txddone = Synchronous SIO Receive Mode Example 23. Synchronous SIO Receive Timing14. Ssio Receive Mode PTSCBs Clrb RxddoneStandard and PTS Interrupts Rxddone = 25. Asynchronous SIO Transmit Timing 15. Asio Transmit Mode PTSCBs Standard and PTS Interrupts End-Of-PTS Interrupt Save Critical Data Is PTS Asynchronous SIO Receive Mode Example 27. Asynchronous SIO Receive TimingPortreg H = 1FH P2PIN 16. Asio Receive Mode PTSCBsSamptime = 01H Standard and PTS Interrupts End-Of-PTS Interrupt Ports Page Port Bits Type Direction Associated Peripherals I/O Ports OverviewDevice I/O Ports Standard Input-only Port Pins INPUT-ONLY Ports 1 MC, MD only1FDAH MH Standard Input-only Port OperationInput-only Port Registers P1PIN MC, MDStandard Input-only Port Considerations Bidirectional Ports 1 MH ONLY, 2, 5, and 7 MD onlyBidirectional Port Pins Port Pin Special-function Associated SignalsBidirectional Port Operation Bidirectional Port Control and Status RegistersPorts Bidirectional Port Structure Sfdir Bidirectional Port Pin ConfigurationsLogic Table for Bidirectional Ports in I/O Mode 8XC196MC, MD, MH USER’S Manual Port Configuration Example Bidirectional Port Pin Configuration ExampleControl Register Values for Each Configuration Bidirectional Port Considerations HZ1P5.1/INST Bidirectional Ports 3 and 4 ADDRESS/DATA BUS Ports 3 and 4 PinsPort Pins Special-function 12. Ports 3 and 4 Control and Status RegistersBidirectional Ports 3 and 4 Address/Data Bus Operation Address/Data Bus Ports 3 and 4 StructureStandard OUTPUT-ONLY Port Using Ports 3 and 4 as I/ODesign Considerations for Ports 3 13. Logic Table for Ports 3 and 4 as Open-drain I/OOutput-only Port Operation Configuring Output-only Port Pins14. Standard Output-only Port Pins 15. Output-only Port Control Register1FC0H Reset State 0000HWgoutput Port Address OP1 OP0Reset State 0000H Wgoutput PortPage Serial I/O SIO Port Page SIO Block Diagram Serial I/O SIO Port Functional OverviewSerial Port Control and Status Registers Serial I/O Port Signals and RegistersSerial Port Signals P1REG 1F9DH P1DIR 1F9BHP1PIN 1F9FH Serial Port Modes Synchronous Modes Modes 0 ModeMode 0 Timing Asynchronous Modes Modes 1, 2, Serial Port Frames for Mode Mode 2 and 3 Timings Multiprocessor CommunicationsProgramming the Control Register Configuring the Serial Port PinsProgramming the Serial Port SP xCON Address 1F83H, 1F8BH = 0-1 8XC196MHBit Function BV7 Programming the Baud Rate and Clock SourceClksrc BV9 BV8Baudvalue = Bclk80CFH SPxBAUD Values When Using XTAL1 at 16 MHzEnabling the Serial Port Interrupts E82BHRPE/RB8 Determining Serial Port StatusRPE/RB8 TXE 8XC196MC, MD, MH USER’S Manual Frequency Generator Page Chapter Frequency Generator Port Frequency Frequency Generator SignalFrequency Generator Control and Status Registers Programming the Frequency Configuring the OutputProgramming the Frequency Generator FreqgenFreqcnt Determining the Current Value of the Down-counterApplication Example Frequency Generator 0FAH Xmitbuf Dsb Bufsize Block of data to send Shiftreg Stb temp,freqgen0 Into freq gen Frequency Generator Page Waveform Generator Page Chapter Waveform Generator Waveform Generator Functional OverviewWaveform Generator Block Diagram Waveform Generator Control and Status Registers Waveform Generator Signals and RegistersWaveform Generator Signals Waveform Generator Operation Timebase GeneratorPhase Driver Channels Control and Protection CircuitryRegister Buffering and Synchronization Protection CircuitryOperating Modes Operation in Center-aligned and Edge-aligned Modes Register UpdatesEvent Mode Step Center-aligned Modes Edge-aligned ModesCenter-aligned Modes Center-aligned Modes Counter OperationCenter-aligned Modes Output Operation Edge-Aligned Modes Edge-aligned Modes Counter Operation Programming the Waveform Generator Configuring the OutputsOutput Configuration PE6 Wgoutput Waveform GeneratorOP1 OP0 Sync PE7 OP18XC196MC, MD, MH USER’S Manual E0H WgprotectF0H 8XC196MC, MD 8XC196MH Bit Function Number MnemonicReload Specifying the Carrier Period and Duty CycleWgreload 150 ReloadWgcomp Address 1FC2H,1FC4H,1FC6HWgcounter = Wgreload WgcontrolDT7 DT6 DT5 DT4 DT9 DT8 DT3 DT2 DT1 DT0 Wgcounter Determining the Waveform GENERATOR’S StatusEnabling the Waveform Generator Interrupts XxxxhWgcount WGCOUNT= Design ConsiderationsDead Time and Duty Cycle WgcompProgramming Example Ph3 Dsw P6.4,5 config Waveform Generator Temp1,WGOUTPUT0 Now store it Ret Demo board PI interrupt Page Pulse-width Modulator Page Chapter PULSE-WIDTH Modulator PWM Functional OverviewPWM Signals and Registers PWM SignalsPEx Pin Output PWM OperationPWM Control and Status Registers FFH Programming the Frequency and PeriodE6H PWM Output Frequencies Fpwm PwmperiodProgramming the Duty Cycle Pwmperiod +PWM xCONTROL Address 10-3 Sample CalculationsReading the Current Value of the Down-counter PWM Output Alternate Functions PWM Output Alternate Port Function PWM Output Enabled WhenEnabling the PWM Outputs PwmcountWaveform Generator Output Configuration Wgoutput Register D/A Buffer Block Diagram Generating Analog OutputsEvent Processor Array EPA Page Device Capture/Compare Channels Compare-only Channels EPA Functional OverviewEPA Channels COMP30EPA and TIMER/COUNTER Signals and Registers EPA and Timer/Counter SignalsEPA Control and Status Registers P0PIN 1FA8H P1PIN 1FA9HTIMER2 1F7EH TIMER/COUNTER Functional OverviewTIMER1 1F7AH T1RELOADEPA Timer/Counters Cascade Mode Timer 2 Only Quadrature Clocking ModesState of Xinternal State of Yinternal Count Direction T1DIRQuadrature Mode Timing and Count EPA Channel Functional OverviewOperating in Capture Mode A Single EPA Capture/Compare ChannelEPA Simplified Input-capture Structure EPA Overruns Action Taken When a Valid Edge OccursOverwrite Bit Status Action Taken When a Valid Edge Occurs EPAxCON.0Generating a Low-speed PWM Output Operating in Compare ModePreventing EPA Overruns Generating the Highest-speed PWM Output Programming the Timers Programming the EPA and TIMER/COUNTERSConfiguring the EPA and Timer/Counter Signals Clock Source Direction Source Prescaler Divisor Resolution †T1CONTROL Prescaler Resolution † T2CONTROLProgramming the Capture/Compare Channels Example EPA Control Register Settings for Channels 1, 3, orMode WGR ROT ON/RT EPAxCON = 0-1 8XC196MH x = 0-3 8XC196MC x = 0-5 8XC196MD Capture Mode EventCompare Mode Action = 0, 2 = 1, 3For EPA capture/compare channels 0, 2 EPA xCON Address= 0, 2 For EPA capture/compare channels 1, 3Capture Mode on Compare Mode RTComp xCON Address = 0-3 8XC196MC, MH = 0-5 8XC196MD Reset State 00HProgramming the Compare-only Channels WGR ROTEnabling the EPA Interrupts Determining Event Status Analog-to-digital Converter PageNum-38 12.1 A/D Converter Functional Overview AngndPort Pin Signal Description 12.2 A/D Converter Signals and RegistersA/D Converter Pins A/D Control and Status Registers12.3 A/D Converter Operation P1PIN MC,MDProgramming the A/D Converter OFF1 OFF0 Programming the A/D Test RegisterAdtest Programming the A/D Time Register Adresult WriteProgramming the A/D Command Register AdtimeEnabling the A/D Interrupt AdcommandM1 M0 Mode ACH3 ACH2 ACH1 ACH0ADRLT90 Determining A/D Status and Conversion ResultsAdresult Read Designing External Interface Circuitry Idealized A/D Sampling CircuitryMinimizing the Effect of High Input Source Resistance Suggested A/D Input Circuit Understanding A/D Conversion Errors Using Mixed Analog and Digital Inputs12-14 Ideal A/D Conversion Characteristic 10. Actual and Ideal A/D Conversion Characteristics 12-17 11. Terminal-based A/D Conversion Characteristic Minimum Hardware Considerations Page Minimum Connections Minimum Required SignalsRESET# Unused Inputs I/O Port Configuration GuidePort Where to Find Configuration Information 13.1.2 I/O Port Pin ConnectionsMinimum Hardware Connections Applying and Removing Power Noise Protection TipsON-CHIP Oscillator Circuitry On-chip Oscillator CircuitExternal Crystal Connections Using AN External Clock Source External Clock ConnectionsResetting the Device Reset Timing SequenceRsts GenconRsts DR0 DROGenerating an External Reset Internal Reset Circuitry10. Minimum Reset Circuit Issuing an Illegal Idlpd Key Operand Issuing the Reset RST InstructionEnabling the Watchdog Timer Generating Wait States1EH E1H Selecting the Watchdog Reset Interval 8XC196MH onlyFirst Byte Second Byte Reset Interval 1EH A1HPage Special Operating Modes Page Port Pin Signal Type Description Special Operating Mode Signals and RegistersOperating Mode Control Signals ClkoutONCE# Operating Mode Control and Status RegistersPort Pin Signal Type Description Name CCR0P7MODEMD 1FD1H Reducing Power ConsumptionP1MODEMH P1REG MH 1F9DHIdle Mode Clock Control During Power-saving ModesPowerdown Mode Enabling and Disabling Powerdown ModeGenerating a Hardware Reset Entering Powerdown ModeExiting Powerdown Mode Driving the VPP Pin LowAsserting the External Interrupt Signal External RC Circuit Selecting R1 and C1Typical Voltage on the VPP Pin While Exiting Powerdown Once Mode Reserved Test Modes Page Interfacing with External Memory Page Signal Port Pin Type Description Name External Memory Interface Signals and RegistersExternal Memory Interface Signals ADV#CCR0.1 Bytes AccessedBHE# AD0 CCR1.2 BuswidthWR# Signal Port PinEA# WRL# External Memory Interface RegistersWRH# Register Address Description MnemonicBHE#/WRH# † Chip Configuration Registers and Chip Configuration BytesP5REG = 11XX Xxxxb 15-6 LOC1 LOC0 CCR0LOC1 LOC0 IRC1 IRC0 ALE BW0 IRC2 IRC1 IRC0BW1 BW0 CCR0ALE WDE CCR1WDE BW1 IRC2 BUS Width and Multiplexing CCR1Multiplexing and Bus Width Options Buswidth Timing Diagram 8XC196MC, MD Timing Requirements for Buswidth Buswidth Signal Timing DefinitionsSymbol Definition 15.3.2 16-bit Bus Timings Timings for 16-bit Buses 15.3.3 8-bit Bus Timings Wait States Ready Control Timings for 8-bit Buses15-18 Ready Timing Diagram One Wait State 8XC196MC, MD Address Valid to Ready Setup Bus-control Modes Bus-control Mode Bus-control Signals CCR0.3 CCR0.2BUS-CONTROL Modes Standard Bus-control Mode BHE# WR# AD0CS# ALE OE# WE# RD# WR#OE# WE# RD# WR# Buswidth CS#Eprom RAM Write Strobe Mode 14. Write Strobe Mode15 -bit System with Writes to Byte-wide RAMs OE# OE# WE# RD# WRH# WRL#Address Valid Strobe Mode 16. Address Valid Strobe Mode18 -bit System with Flash Eprom OE# RD#Address Valid with Write Strobe Mode 20. Timings of Address Valid with Write Strobe ModeWRH# WRL# CS# System BUS AC Timing SpecificationsVCC Buswidth WE# CS#22. System Bus Timing External Memory Systems Must Meet These Specifications Explanation of AC SymbolsAC Timing Symbol Definitions Signals AC Timing DefinitionsMicrocontroller Meets These Specifications Address Setup to ALE/ADV# Low15-35 Page Programming Nonvolatile Memory Page Programming the Nonvolatile Memory Programming MethodsOtprom Memory MAP C196Mx Otprom Memory Map Security FeaturesControlling Access to Internal Memory Address Range Description HexControlling Access to the Otprom During Programming Modes Controlling Access to the Otprom During Normal OperationMemory Protection for Normal Operating Mode Read Protect Write Protect Protection StatusPccb CCB Memory Protection Options for Programming ModesSecurity Key Controlling Fetches from External Memory To set this bit Write this value To this location Uprom Programming Values and Locations for Slave ModeUsfr PPW Programming Pulse WidthPpwvalue BitBitFunction Number Mnemonic8XC196MC, MD 8XC196MH Two 250-µs pulses required Modified QUICK-PULSE AlgorithmExample Ppwvalue Calculations Ppwvalue =Modified Quick-pulse Algorithm Programming Mode Pins Special Program Port PinCpver PROG#AINC# PACT#Pmode Values Selecting the Programming ModeEntering Programming Modes Power-down Sequence Power-up and Power-down SequencesPower-up Sequence Slave Programming Mode Reading the Signature Word and Programming VoltagesDevice Signature Word Programming VCC Slave Programming Circuit and Memory MapDevice Signature Word and Programming Voltages Location ValueDescription Address Comments Slave Programming Mode Memory MapOperating Environment Bit Mnemonic Function CCR1, CCR0LOC1 LOC0 IRC1 IRC0 WDE BW1 IRC2 Slave Programming Routines Address/Command Decoding Routine Program Word Routine Program Word Waveform 10. Dump Word Routine MnemonicDescription Timing Mnemonics10. Timing Mnemonics Mnemonic Description Auto Programming ModeAuto Programming Circuit and Memory Map 12. Auto Programming Circuit Auto Programming Routine Address Internal Address Using Output fromAddress Internal Address Using 11 XC196MC/MD Auto Programming Memory Map13. Auto Programming Routine Auto Programming Procedure ROM-dump Mode Pccb and Uprom Programming 8XC196MH only14. Pccb and Uprom Programming Circuit 13. Pccb and Uprom Programming Values Pins Pccb Programming Uprom ProgrammingRUN-TIME Programming PMODE30 0DH15. Run-time Programming Code Example Page Instruction Set Reference Page Appendix a Instruction SET Reference Table A-1. Opcode Map Left Half OpcodeTable A-1. Opcode Map Right Half Instruction Quotient Stored Flag Set if Quotient is Table A-2. Processor Status Word PSW FlagsValue of Bits Shifted Off Instruction Jumps to Destination if Continues if Table A-4. PSW Flag Setting SymbolsSymbol Description Table A-5. Operand Variables Variable DescriptionMnemonic Operation PSW Flag SettingsTable A-6. Instruction Set C V VT STAndb Instruction FormatDest ← Dest and SRC PTRS, Cntreg CountCount ← Count Count ← Cntreg Loop Srcptr ← Ptrs DstptrDstptr ← Srcptr Ptrs ← Srcptr + DestClear BYTE. Clears the value Mnemonic Operation Instruction Format ← Dest MOD SRC Dest MOD SRCDjnz Decrement and Jump if not Zero Djnzw Decrement and Jump if not ZeroEpts Dpts Disable Peripheral TransactionEpts Enable Peripheral Transaction EXT SIGN-EXTEND Integer Into LongExtb SIGN-EXTEND SHORT-INTEGER Into Increment BYTE. Increments the value Byte operand by JGE Jump if Signed Greater than or JLE Jump if Signed Less than or Equal Negative flag is set, this instruction adds JNV Jump if Overflow Flag is Clear Jnvt Jump if OVERFLOW-TRAP Flag is JVT Jump if OVERFLOW-TRAP Flag is SET Load Byte SIGN-EXTENDED. Sign MUL MulbMulu MulubInteger operand SRC, DestDest ← not Dest Dest ← Dest or SRCINTMASK1/WSR ← SP PSW/INTMASK ← SPSP ← PSW/INTMASK PSW/INTMASK ← SP ← INTMASK1/WSR INTMASK1 ←Scall Wreg, #count SHR Range of 0 to 31 1FH, inclusive. If Shral Arithmetic Right Shift Double Shrl Logical Right Shift DOUBLE-WORD SkipRightmost operand SUBSubc SubbSubc Subtract Words with Borrow DEST, SRC Subcb Subtract Bytes with Borrow DEST, SRCTijmp TBASE, INDEX, #MASK Index and #MASK = Offset× Offset + Tbase = Dest XOR Dest ← Dest XOR SRCClrb Notb Negb Table A-7. Instruction OpcodesHex Code Instruction Mnemonic Decb Extb Incb Shrb Shlb ShrabHex Code Hex Code 8XC196MC, MD, MH USER’S Manual Dpts Epts EF LcallDIV/DIVB/MUL/MULB Note Subc Subcb Table A-8. Instruction Lengths and Hexadecimal OpcodesArithmetic Group Direct Immediate Indirect Indexed Mnemonic Logical Direct Immediate Indirect Data Direct Stack Direct Immediate Indirect Indexed MnemonicOpcode Length Jump DirectConditional Jump Direct Immediate Call Direct Immediate Indirect Indexed MnemonicLength Opcode PTS Shift Mnemonic Direct Immediate Indirect IndexedSpecial Mnemonic Direct Immediate Indirect Mnemonic Direct Immediate IndirectNormal Autoinc Short Long Reg Mem Table A-9. Instruction Execution Times in State TimesArithmetic Group Indirect Mem RegLogical Mnemonic Direct Immed Normal Autoinc Short Long Reg MemDIV Divb Divu Divub Reg Mem Stack Register IndirectNormal Autoinc Short Autoinc Short Long Autoinc Short Long RegLDB Ldbse Ldbze STB XCH Xchb Ljmp Sjmp TijmpConditional Jump Mnemonic Call Memory Indirect Indexed Mnemonic DirectNormal Autoinc Short Long Clrc Clrvt Idlpd Shift Mnemonic DirectIndirect Indexed NOP RST Setc SkipPage Signal Descriptions Page Table B-1. Signal Name Changes Signal Name ChangesFunctional Groupings of Signals New NameTable B-2 XC196MC Signals Arranged by Functional Categories Figure B-1 XC196MC 64-lead Shrink DIP Sdip Package U8XC196MCFigure B-2 XC196MC 84-lead Plcc Package X8XC196MCFigure B-3 XC196MC 80-lead Shrink EIAJ/QFP Package Table B-3 XC196MD Signals Arranged by Functional Categories P7.7/FREQOUTFigure B-4 XC196MD 84-lead Plcc Package X8XC196MDFigure B-5 XC196MD 80-lead Shrink EIAJ/QFP Package P2.7/SCLK1#/BCLK1 Table B-4 XC196MH Signals Arranged by Functional CategoriesEA# Extint NMI ONCE# RESET# XTAL1 XTAL2 Figure B-6 XC196MH 64-lead Shrink DIP Sdip Package X8XC196MHFigure B-7 XC196MH 84-lead Plcc Package Signal Descriptions Figure B-8 XC196MH 80-lead Shrink EIAJ/QFP PackageColumn Heading Description Name Table B-6. Signal DescriptionsTable B-5. Description of Columns of Table B-6 BCLK10 COMP1/P2.5/PACT#, COMP2/P2.6/CPVER, COMP3/P2.7MC, MD CCR0.1 CCR1.2Buswidth Command that invoked the power-saving mode System using a clip-on emulator P5.7/BUSWIDTH PMODE.30 Slave programmingAuto programming Programming Start SCLK10# Shift Clock 0 MH only Default Conditions Port Signals Alternate During Upon RESET# Table B-7. Definition of Status SymbolsTable B-8 XC196MC and MD Default Signal Conditions Functions RESET# ActiveWG3 WK1 NMI WK0 RESET#WG2 WK1 PWM0 WK0Port Signals Table B-9 XC196MH Default Signal ConditionsRESET# Alternate During UponOsc output Registers Page 8XC196MC, MH, x = Table C-1. Modules and Related RegistersCPU Table C-2. Register Name, Address, and Reset Status Xxxx EPA4TIME MD Xxxx EPA2TIME MC, MDXxxx EPA3TIME MC, MD Xxxx EPA5TIME MD1FFD P7PIN MDXxxx P1REG MH P5REG MC, MDUsfr MC, MD Xxxx TIMER1TIMER2 Usfr MH Xxxx WatchdogAdcommand Adresult Read Adresult Write Adtest Adtime CCR0 ALE CCR1 IRC2 IRC1 IRC0 COMPxCON Comp xCON Address Table C-3 = 0-3 8XC196MC, MHFor EPA capture/compare channels 0, 2 COMPxTIME Table C-3. COMPxTIME Addresses and Reset ValuesRegister Address Reset Value Comp xTIME AddressEPAxCON EPAxCON Address Table C-4 = 0-1 8XC196MH = 0-3 8XC196MC x = 0-5 8XC196MDTable C-4. EPAxCON Addresses and Reset Values = 0-3 8XC196MC = 0-5 8XC196MDEPAxTIME Table C-5. EPAxTIME Addresses and Reset ValuesEPA Timer Value EPAxTIME = 0-1 8XC196MH x = 0-3 8XC196MC x = 0-5 8XC196MDFreqcnt Freqgen Gencon Intmask OVRTM†INTMASK1 Intpend INTPEND1 Ffffh OnesregOnesreg One= 1 MH Table C-6. PxDIR Addresses and Reset ValuesPxDIR = 2, 5 M= 1 MH = 2, 5 Mx Table C-7. PxMODE Addresses and Reset ValuesPxMODE PIN7 PIN6 PIN5 PIN4Port Table C-8. Special-function Signals for Ports 1, 2, 5Pin Special-function Signal 8XC196MC, MDTable C-9. PxPIN Addresses and Reset Values PxPINPxREG = 2-5 8XC196MC = 2-5, 7 8XC196MD x = 1-5 8XC196MH Table C-10. PxREG Addresses and Reset ValuesPxREG = 2-5 MPimask Pimask Pipend Pipend PPW PPW150 PpwvaluePSE PSWPSW PSW Ptssel Ptssrv Pwmcount Pwmperiod PWMxCONTROL PWM xCONTROL Address 1FB0H, 1FB2H8XC196MH Data Received Bit SBUFxRXSBUFxRX Address 1F80H, 1F88H = 0-1 8XC196MH 8XC196MH Data to Transmit Bit SBUFxTXSbuf xTX Address 1F82H, 1F8AH = 0-1 8XC196MH Stack Pointer 150 Stack PointerSPxBAUD SPxCON SPxCON Address 1F83H, 1F8BH = 0-1 8XC196MHSPxSTATUS T1CONTROL T1RELOAD Timer 1 Reload ValueT1RELOAD T2CONTROL 1F7EH TIMERxTimer Address 1F7AH Usfr 0AH WatchdogWatchdog WGCOMPx Wgcontrol Wgcounter Wgoutput Port Wgoutput Waveform Generator Wgoutput Waveform Generator Table C-11. Output Configuration Output Values Output Polarities WG x#Wgprotect Wgreload Register Mnemonic WSRByte Windows 00E0-00FFH 00C0-00FFH00E0-00FFH 00C0-00FFH 0080-00FFH Location PWM0CONTROL 1FB0H 7DH T2CONTROL 1F7CH 7BH 00FCH 3DH 1EH TIMER1 † 1F7AH 00FAH1EH 00FAH TIMER2 † 1F7EH 7BH 00FEH 3DH WGCOMP1 1FC2H PWM1CONTROL 1FB2H 7DHZero ZeroregZeroreg Page Glossary Page Glossary Characteristic DOUBLE-WORD LONG-INTEGER LSB Otprom PTS PWM SFR Special interrupt WDT Page Index Page Index Index-2 Index-3 Index-4 Index-5 Index-6 Index-7 Index-8 Index-9 Index-10 Index-11 Index-12 Index-13 Index-14