Datasheet

 1996 Microchip Technology Inc. DS30430B-page 117
PIC16F8X
Figure 8-11: Time-out Sequence on Power-up
(MCLR
Not Tied To V DD
): Case 2................ 45
Figure 8-12: Time-out Sequence on Power-up
(MCLR
Tied to V DD
): Fast V
DD
Rise Time ..................................................... 46
Figure 8-13: Time-Out Sequence on Power-Up
(MCLR
Tied to V DD
): Slow V
DD
Rise Time ..................................................... 46
Figure 8-14: Brown-out Protection Circuit 1...................... 47
Figure 8-15: Brown-out Protection Circuit 2...................... 47
Figure 8-16: Interrupt Logic .............................................. 48
Figure 8-17: INT Pin Interrupt Timing ............................... 49
Figure 8-18: Watchdog Timer Block Diagram................... 51
Figure 8-19: Wake-up From Sleep Through
Interrupt........................................................ 52
Figure 8-20: Typical In-system Serial Programming
Connection ................................................... 53
Figure 9-1: General Format for Instructions.................... 55
Figure 11-1: Parameter Measurement Information........... 77
Figure 11-2: Load Conditions ........................................... 77
Figure 11-3: External Clock Timing .................................. 78
Figure 11-4: CLKOUT and I/O Timing .............................. 79
Figure 11-5: Reset, Watchdog Timer,
Oscillator Start-up Timer and
Power-up Timer Timing................................ 80
Figure 11-6: Timer0 Clock Timings................................... 81
Figure 13-1: Parameter Measurement Information........... 91
Figure 13-2: Load Conditions ........................................... 91
Figure 13-3: External Clock Timing .................................. 92
Figure 13-4: CLKOUT and I/O Timing .............................. 93
Figure 13-5: Reset, Watchdog Timer,
Oscillator Start-up Timer and
Power-up Timer Timing................................ 94
Figure 13-6: Timer0 Clock Timings................................... 95
LIST OF TABLES
Table 1-1: PIC16F8X Family of Devices ......................... 4
Table 3-1: PIC16F8X Pinout Description......................... 9
Table 4-1: Register File Summary................................. 14
Table 5-1: PORTA Functions ........................................ 22
Table 5-2: Summary of Registers Associated
With PORTA................................................. 22
Table 5-3: PORTB Functions ........................................ 24
Table 5-4: Summary of Registers Associated
With PORTB................................................. 24
Table 6-1: Registers Associated with Timer0................ 31
Table 7-1: Registers/Bits Associated with
Data EEPROM ............................................ 35
Table 8-1: PIC16F83/CR83/F84/CR84 Capacitor
Selection for Ceramic Resonators................ 39
Table 8-2: PIC16F83/CR83/F84/CR84 Capacitor
Selection for Crystal Oscillator ..................... 40
Table 8-3: Reset Condition for Program Counter
and the STATUS Register............................ 43
Table 8-4: Reset Conditions for All Registers................ 43
Table 8-5: Time-out in Various Situations ..................... 47
Table 8-6: STATUS bits and Their Significance............ 47
Table 8-7: Summary of Registers Associated
With the Watchdog Timer............................. 51
Table 9-1: OPCODE Field Descriptions ........................ 55
Table 9-2: Instruction Set Summary.............................. 56
Table 10-1: Development Tools from Microchip.............. 70
Table 11-1: Cross Reference of Device Specs for
Oscillator Configurations and Frequencies
of Operation (Commercial Devices) ............ 72
Table 11-2: Timing Parameter Symbology...................... 77
Table 11-3: External Clock Timing Requirements............78
Table 11-4: CLKOUT and I/O Timing Requirements ...... 79
Table 11-5: Reset, Watchdog Timer,
Oscillator Start-up Timer and
Power-up Timer Requirements ....................80
Table 11-6: Timer0 Clock Requirements .........................81
Table 13-1: Cross Reference of Device Specs for
Oscillator Configurations and Frequencies
of Operation (Commercial Devices)..............86
Table 13-2: Timing Parameter Symbology.......................91
Table 13-3: External Clock Timing Requirements............92
Table 13-4: CLKOUT and I/O Timing Requirements .......93
Table 13-5: Reset, Watchdog Timer,
Oscillator Start-up Timer and
Power-up Timer Requirements.....................94
Table 13-6: Timer0 Clock Requirements .........................95