Contents - Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- MSM80C154S/MSM83C154S/MSM85C154HVS Outline
- MSM80C154S/MSM83C154S Features
- Additional Features in MSM80C154S/MSM83C154S/MSM85C154HVS
- MSM80C154S/MSM83C154S/MSM85C154HVS Logic Symbols
- MSM80C154S/MSM83C154S Pin Layout
- system configuration
- MSM80C154S/MSM83C154S external dimensions
- MSM85C154HVS pin layout and external dimensions
- Timing and Control
- Major synchronizing signals
- MSM80C154S fundamental operation time charts
- MOVX A, @DPTR
- MOVX @DPTR, A
- MSM83C154S fundamental operation time charts
- MOV direct, PORT[0, 1, 2, 3] execution
- Instruction Register (IR) and Instruction Decoder (PLA)
- Arithmetic Operation Section
- Program Counter
- Program Memory and External Data Memory
- Procedures and circuit connections used when external data memory (RAM) is accessed by data pointer (DPTR)
- Procedures and circuit connections used when external data memory (RAM) is accessed by registers R0 and R1
- Oscillators [XTAL1
- CPU Resetting
- Reset Schmitt trigger circuit
- CPU internal status by reset
- EA(CPU Memory Separate)
- Internal Data Memory (RAM) and Special Function Registers
- Internal Data Memory (RAM)
- Internal data memory registers R0 thru R7
- Stack
- Internal data memory indirect addressing
- Internal data memory register R0 thru R7 designation
- Internal data memory 1-bit data designation
- Special Function Registers(TCON, SCON,...ACC, B)
- Special function registers
- Power control register (PCON)
- Timer control register (TCON)
- Serial port control register (SCON)
- Interrupt enable register (IE)
- Interrupt priority register (IP)
- Program status word register (PSW)
- I/O control register (IOCON)
- Timer 2 control register (T2CON)
- Timer/Counters 0, 1, and 2
- Timer/counter 0 and 1 count clock designation
- External clock detector circuit for timer/counters 0 and 1
- Counting control of timer/counters 0 and 1 by INT pin
- Timer/counters 0/1 timer modes
- Mode 1
- Mode 2
- Mode 3
- bit timer mode
- Caution about use of timer counters 0 and 1
- Caution about use of timer counters 0 and 1 when setting software power down mode
- Timer/counter 2
- Timer/counter 2 operation modes
- bit capture mode
- bit baud rate generator mode
- Timer/counter 2 detector circuit
- Timer/counter carry signal detector circuit
- Serial Port
- Special function registers for serial port
- SBUF
- SMOD
- SERR
- Operating modes
- Outline
- Mode 1 transmit operation
- Mode 1 UART error detection
- Mode 2 baud rate
- Mode 2 UART error detection
- Mode 3 baud rate
- Mode 3 transmit operation
- Mode 3 UART error detection
- Serial port application examples
- Multi-processor systems
- Interrupt
- Priority interrupt routine flow
- Interrupt routine flow when priority circuit is stopped
- Interrupt priority when priority register (IP) contents are all "0
- Detection of external interrupt signals INT0 and INT1
- External interrupt signal 0 and 1 trigger detection
- MSM80C154S/MSM83C154S interrupt response time charts
- during execution of IE or IP register operation instruction in main routine
- executed after temporarily returning to the main routine from continuous interrupt processing
- instruction is executed after temporarily returning to the main routine from continuous interrupt processing
- CPU "Power Down
- Soft power down mode (PD) setting
- Hard power down mode (HPD) setting
- CPU Power Down Mode (IDLE, PD, and HPD) Cancellation (CPU Activation)
- Cancellation of CPU power down mode(IDLE, PD)by interrupt signal
- Cancellation of CPU power down mode (IDLE, PD) by interrupt request signal and restart from next address of stop address
- MSM80C154S/83C154S Battery Backup with Hard Power Down Mode
- PORT
- Port 0, 1, 2, and 3 Output and Floating Status Settings in CPU Power Down Mode (PD, HPD)
- Port Output Timing
- Two machine cycle instruction output timing
- Port Data Manipulating Instructions
- Absolute Maximum Ratings
- DC Characteristics
- External Program Memory Access AC Characteristics
- External Data Memory Access AC Characteristics
- Serial Port (I/O Extension Mode) AC Characteristics
- AC Characteristics Measuring Conditions
- XTAL1 External Clock Input Waveform Conditions
- Description of Instruction Symbols
- List of Instructions
- Detailed Description of MSM80C154S/MSM83C154S Instructions
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4.5.2.5.7 Caution about use of timer counters 0 and 1 .................................. 904.5.2.5.8 Caution about use of timer counters 0 and 1 when setting softwarepower down mode........................................................................... 914.5.3 Timer/counter 2 .........................................................................................924.5.3.1 Outline ...................................................................................................924.5.3.2 Timer 2 control register (T2CON) ..........................................................924.5.3.3 Timer/counter 2 operation modes ..........................................................934.5.3.3.1 16-bit auto reload mode .................................................................. 934.5.3.3.2 16-bit capture mode ........................................................................944.5.3.3.3 16-bit baud rate generator mode .................................................... 954.5.3.4 Timer/counter 2 detector circuit ............................................................. 974.5.3.4.1 T2(timer/counter 2 external clock detector) .................................... 974.5.3.4.2 T2EX(timer/counter 2 external flag input detector) ......................... 974.5.3.5 Timer/counter carry signal detector circuit ............................................. 984.6 Serial Port .........................................................................................................994.6.1 Outline .......................................................................................................994.6.2 Special function registers for serial port .................................................. 1014.6.2.1 SCON ..................................................................................................1014.6.2.2 SBUF ...................................................................................................1034.6.2.3 TCLK ...................................................................................................1034.6.2.4 RCLK ...................................................................................................1034.6.2.5 SMOD ..................................................................................................1044.6.2.6 SERR ..................................................................................................1054.6.3 Operating modes .....................................................................................1064.6.3.1 Mode 0 .................................................................................................1064.6.3.1.1 Outline...........................................................................................1064.6.3.1.2 Mode 0 baud rate ..........................................................................1064.6.3.1.3 Mode 0 transmit operation ............................................................1064.6.3.1.4 Mode 0 receive operation ............................................................. 1064.6.3.2 Mode 1 ..................................................................................................1104.6.3.2.1 Outline...........................................................................................1104.6.3.2.2 Mode 1 baud rate ..........................................................................1104.6.3.2.3 Mode 1 transmit operation ............................................................1114.6.3.2.4 Mode 1 receive operation ............................................................. 1114.6.3.2.5 Mode 1 UART error detection .......................................................1124.6.3.3 Mode 2 .................................................................................................1154.6.3.3.1 Outline...........................................................................................1154.6.3.3.2 Mode 2 baud rate ..........................................................................1154.6.3.3.3 Mode 2 transmit operation ............................................................1154.6.3.3.4 Mode 2 receive operation ............................................................. 1154.6.3.3.5 Mode 2 UART error detection .......................................................1164.6.3.4 Mode 3 .................................................................................................1194.6.3.4.1 Outline...........................................................................................1194.6.3.4.2 Mode 3 baud rate ..........................................................................1194.6.3.4.3 Mode 3 transmit operation ............................................................1204.6.3.4.4 Mode 3 receive operation. ............................................................1204.6.3.4.5 Mode 3 UART error detection .......................................................1214.6.4 Serial port application examples ..............................................................1244.6.4.1 I/O extension .......................................................................................124 PreviousNext |