PIC16F627A_05 Datasheet, PDF (177/180 Pages) Microchip Technology – Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F627A/628A/648A
RC6/TX/CK ........................................................... 71–87
RC7/RX/DT ........................................................... 71–87
PIR1 Register...................................................................... 26
PORTA................................................................................ 31
PORTB................................................................................ 36
PORTB Interrupt ............................................................... 108
Power Control/Status Register (PCON) ............................ 102
Power-Down Mode (Sleep) ............................................... 110
Power-On Reset (POR) .................................................... 101
Power-up Timer (PWRT) .................................................. 101
PR2 Register................................................................. 52, 58
PRO MATE II Universal Device Programmer ................... 131
Program Memory Organization ........................................... 15
PWM (CCP Module) ........................................................... 58
Block Diagram............................................................. 58
Simplified PWM .................................................. 58
CCPR1H:CCPR1L Registers...................................... 58
Duty Cycle................................................................... 59
Example Frequencies/Resolutions ............................. 59
Period.......................................................................... 58
Set-Up for PWM Operation ......................................... 59
TMR2 to PR2 Match ................................................... 58
Q
Q-Clock ............................................................................... 59
Quick-Turnaround-Production (QTP) Devices ...................... 7
R
RC Oscillator ....................................................................... 99
RC Oscillator Mode
Block Diagram............................................................. 99
Reader Response ............................................................. 172
Registers
CCP1CON (CCP Operation)....................................... 55
CMCON (Comparator Configuration).......................... 61
CONFIG (Configuration Word).................................... 96
EECON1 (EEPROM Control Register 1) .................... 90
INTCON (Interrupt Control)......................................... 24
Maps
PIC16F627A ................................................. 16, 17
PIC16F628A ................................................. 16, 17
OPTION_REG (Option) .............................................. 23
PCON (Power Control) ............................................... 27
PIE1 (Peripheral Interrupt Enable 1)........................... 25
PIR1 (Peripheral Interrupt Register 1) ........................ 26
Status.......................................................................... 22
T1CON Timer1 Control).............................................. 48
T2CON Timer2 Control).............................................. 53
Reset................................................................................... 99
RETFIE Instruction............................................................ 124
RETLW Instruction ............................................................ 125
RETURN Instruction ......................................................... 125
Revision History ................................................................ 169
RLF Instruction.................................................................. 125
RRF Instruction ................................................................. 126
S
Serial Communication Interface (SCI) Module, See USART
Serialized Quick-Turnaround-Production (SQTP) Devices ... 7
SLEEP Instruction ............................................................. 126
Software Simulator (MPLAB SIM)..................................... 130
Software Simulator (MPLAB SIM30)................................. 130
Special Event Trigger. See Compare
Special Features of the CPU .............................................. 95
Special Function Registers ................................................. 18
Status Register ................................................................... 22
SUBLW Instruction ........................................................... 126
SUBWF Instruction ........................................................... 127
SWAPF Instruction ........................................................... 127
T
T1CKPS0 bit ....................................................................... 48
T1CKPS1 bit ....................................................................... 48
T1CON Register ................................................................. 48
T1OSCEN bit ...................................................................... 48
T1SYNC bit......................................................................... 48
T2CKPS0 bit ....................................................................... 53
T2CKPS1 bit ....................................................................... 53
T2CON Register ................................................................. 53
Timer0
Block Diagrams
Timer0/WDT ....................................................... 46
External Clock Input ................................................... 45
Interrupt ...................................................................... 45
Prescaler .................................................................... 46
Switching Prescaler Assignment ................................ 47
Timer0 Module............................................................ 45
Timer1
Asynchronous Counter Mode ..................................... 50
Capacitor Selection .................................................... 51
External Clock Input ................................................... 49
External Clock Input Timing........................................ 50
Oscillator..................................................................... 51
Prescaler .............................................................. 49, 51
Resetting Timer1 ........................................................ 51
Resetting Timer1 Registers ........................................ 51
Special Event Trigger (CCP) ...................................... 57
Synchronized Counter Mode ...................................... 49
Timer Mode ................................................................ 49
TMR1H ....................................................................... 50
TMR1L........................................................................ 50
Timer2
Block Diagram ............................................................ 52
Postscaler................................................................... 52
PR2 register................................................................ 52
Prescaler .............................................................. 52, 59
Timer2 Module............................................................ 52
TMR2 output ............................................................... 52
TMR2 to PR2 Match Interrupt..................................... 58
Timing Diagrams
Timer0 ...................................................................... 147
Timer1 ...................................................................... 147
USART
Asynchronous Receiver...................................... 81
USART Asynchronous Master Transmission ............. 78
USART Asynchronous Reception .............................. 81
USART Synchronous Reception ................................ 87
USART Synchronous Transmission ........................... 85
Timing Diagrams and Specifications ................................ 144
TMR0 Interrupt.................................................................. 108
TMR1CS bit ........................................................................ 48
TMR1ON bit........................................................................ 48
TMR2ON bit........................................................................ 53
TOUTPS0 bit ...................................................................... 53
TOUTPS1 bit ...................................................................... 53
TOUTPS2 bit ...................................................................... 53
TOUTPS3 bit ...................................................................... 53
TRIS Instruction ................................................................ 127
TRISA ................................................................................. 31
TRISB ................................................................................. 36
© 2005 Microchip Technology Inc.
DS40044D-page 175