PIC16F8X, 18-Pin FLASH/EEPROM 8-Bit MCU Data Sheet - Microchip

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PIC16F8X FIGURE 8-8: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT MCLR VDD OSC1/ CLKIN WDT Module VDD rise detect OST/PWRT On-chip RC OSC (1) OST External Reset SLEEP WDT Time_Out Reset PWRT Power_on_Reset 10-bit Ripple counter 10-bit Ripple counter Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin. Enable PWRT Enable OST DS30430C-page 42 © 1998 Microchip Technology Inc. S See Table 8-5 R Q Chip_Reset
PIC16F8X TABLE 8-3 RESET CONDITION FOR PROGRAM COUNTER AND THE STATUS REGISTER Condition Program Counter STATUS Register Power-on Reset 000h 0001 1xxx MCLR Reset during normal operation 000h 000u uuuu MCLR Reset during SLEEP 000h 0001 0uuu WDT Reset (during normal operation) 000h 0000 1uuu WDT Wake-up PC + 1 uuu0 0uuu Interrupt wake-up from SLEEP PC + 1 (1) Legend: u = unchanged, x = unknown. uuu1 0uuu Note 1: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector (0004h). TABLE 8-4 RESET CONDITIONS FOR ALL REGISTERS Register Address Power-on Reset MCLR Reset during: – normal operation – SLEEP WDT Reset during normal operation Wake-up from SLEEP: – through interrupt – through WDT Time-out W — xxxx xxxx uuuu uuuu uuuu uuuu INDF 00h ---- ---- ---- ---- ---- ---- TMR0 01h xxxx xxxx uuuu uuuu uuuu uuuu PCL 02h 0000h 0000h PC + 1 (2) STATUS 03h 0001 1xxx 000q quuu (3) uuuq quuu (3) FSR 04h xxxx xxxx uuuu uuuu uuuu uuuu PORTA 05h ---x xxxx ---u uuuu ---u uuuu PORTB 06h xxxx xxxx uuuu uuuu uuuu uuuu EEDATA 08h xxxx xxxx uuuu uuuu uuuu uuuu EEADR 09h xxxx xxxx uuuu uuuu uuuu uuuu PCLATH 0Ah ---0 0000 ---0 0000 ---u uuuu INTCON 0Bh 0000 000x 0000 000u uuuu uuuu (1) INDF 80h ---- ---- ---- ---- ---- ---- OPTION_REG 81h 1111 1111 1111 1111 uuuu uuuu PCL 82h 0000h 0000h PC + 1 STATUS 83h 0001 1xxx 000q quuu (3) uuuq quuu (3) FSR 84h xxxx xxxx uuuu uuuu uuuu uuuu TRISA 85h ---1 1111 ---1 1111 ---u uuuu TRISB 86h 1111 1111 1111 1111 uuuu uuuu EECON1 88h ---0 x000 ---0 q000 ---0 uuuu EECON2 89h ---- ---- ---- ---- ---- ---- PCLATH 8Ah ---0 0000 ---0 0000 ---u uuuu INTCON 8Bh 0000 000x 0000 000u uuuu uuuu (1) Legend: u = unchanged, x = unknown, - = unimplemented bit read as '0', q = value depends on condition. Note 1: One or more bits in INTCON will be affected (to cause wake-up). 2: When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt vector (0004h). 3: Table 8-3 lists the reset value for each specific condition. © 1998 Microchip Technology Inc. DS30430C-page 43
Page 1 and 2: Devices Included in this Data Sheet
Page 3 and 4: 1.0 GENERAL DESCRIPTION The PIC16F8
Page 5 and 6: 2.0 PIC16F8X DEVICE VARIETIES A var
Page 7 and 8: 3.0 ARCHITECTURAL OVERVIEW The high
Page 9 and 10: TABLE 3-1 PIC16F8X PINOUT DESCRIPTI
Page 11 and 12: 4.0 MEMORY ORGANIZATION There are t
Page 13 and 14: FIGURE 4-1: REGISTER FILE MAP - PIC
Page 15 and 16: 4.2.2.1 STATUS REGISTER The STATUS
Page 17 and 18: 4.2.2.3 INTCON REGISTER The INTCON
Page 19 and 20: 4.5 Indirect Addressing; INDF and F
Page 21 and 22: 5.0 I/O PORTS The PIC16F8X has two
Page 23 and 24: 5.2 PORTB and TRISB Registers PORTB
Page 25 and 26: 5.3 I/O Programming Considerations
Page 27 and 28: 6.0 TIMER0 MODULE AND TMR0 REGISTER
Page 29 and 30: 6.2 Using TMR0 with External Clock
Page 31 and 32: 6.3.1 SWITCHING PRESCALER ASSIGNMEN
Page 33 and 34: 7.0 DATA EEPROM MEMORY The EEPROM d
Page 35 and 36: 7.5 Write Verify Depending on the a
Page 37 and 38: 8.0 SPECIAL FEATURES OF THE CPU Wha
Page 39 and 40: FIGURE 8-2: CONFIGURATION WORD - PI
Page 41: FIGURE 8-6: EXTERNAL SERIES RESONAN
Page 45 and 46: PIC16F8X FIGURE 8-10: TIME-OUT SEQU
Page 47 and 48: 8.7 Time-out Sequence and Power-dow
Page 49 and 50: FIGURE 8-17: INT PIN INTERRUPT TIMI
Page 51 and 52: 8.11 Watchdog Timer (WDT) The Watch
Page 53 and 54: 8.12.3 WAKE-UP USING INTERRUPTS Whe
Page 55 and 56: 9.0 INSTRUCTION SET SUMMARY Each PI
Page 57 and 58: 9.1 Instruction Descriptions ADDLW
Page 59 and 60: BTFSS Bit Test f, Skip if Set Synta
Page 61 and 62: COMF Complement f Syntax: [ label ]
Page 63 and 64: INCFSZ Increment f, Skip if 0 Synta
Page 65 and 66: NOP No Operation Syntax: [ label ]
Page 67 and 68: RLF Rotate Left f through Carry Syn
Page 69 and 70: SUBWF Subtract W from f Syntax: [ l
Page 71 and 72: 10.0 DEVELOPMENT SUPPORT 10.1 Devel
Page 73 and 74: MPASM has the following features to
Page 75 and 76: PIC16F83/84 PIC16F8X 11.0 ELECTRICA
Page 77 and 78: PIC16F83/84 PIC16F8X 11.1 DC CHARAC
Page 79 and 80: PIC16F83/84 PIC16F8X 11.3 DC CHARAC
Page 81 and 82: TABLE 11-2 TIMING PARAMETER SYMBOLO
Page 83 and 84: FIGURE 11-4: CLKOUT AND I/O TIMING
Page 85 and 86: FIGURE 11-6: TIMER0 CLOCK TIMINGS T
Page 87 and 88: PIC16CR83/84 PIC16F8X 12.0 ELECTRIC
Page 89 and 90: PIC16CR83/84 PIC16F8X 12.1 DC CHARA
Page 91 and 92: PIC16CR83/84 PIC16F8X 12.3 DC CHARA
Page 93 and 94:
TABLE 12-2 TIMING PARAMETER SYMBOLO
Page 95 and 96:
FIGURE 12-4: CLKOUT AND I/O TIMING
Page 97 and 98:
FIGURE 12-6: TIMER0 CLOCK TIMINGS T
Page 99 and 100:
13.0 DC & AC CHARACTERISTICS GRAPHS
Page 101 and 102:
FIGURE 13-3: TYPICAL RC OSCILLATOR
Page 103 and 104:
FIGURE 13-8: VTH (INPUT THRESHOLD V
Page 105 and 106:
FIGURE 13-11: TYPICAL IDD vs. FREQU
Page 107 and 108:
FIGURE 13-13: WDT TIMER TIME-OUT PE
Page 109 and 110:
FIGURE 13-17: IOH vs. VOH, VDD = 3
Page 111 and 112:
14.0 PACKAGING INFORMATION 14.1 Pac
Page 113 and 114:
Package Type: K04-051 18-Lead Plast
Page 115 and 116:
APPENDIX A: FEATURE IMPROVEMENTS -
Page 117 and 118:
PIC16F8X APPENDIX E: CONVERSION CON
Page 119 and 120:
INDEX Numerics 8.1 Configuration Bi
Page 121 and 122:
ON-LINE SUPPORT Microchip provides
Page 123 and 124:
PIC16F8X PRODUCT IDENTIFICATION SYS
Page 125:
M AMERICAS Corporate Office 2355 We
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PIC16F8X, 18-Pin FLASH/EEPROM 8-Bit MCU Data Sheet - Microchip

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