PIC16F636-I Datasheet, PDF (184/234 Pages) Microchip Technology – 8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC12F635/PIC16F636/639
FIGURE 15-7:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Start-Up Time
Internal Reset⁽¹⁾
Watchdog Timer
Reset⁽¹⁾
33
32
I/O pins
Note 1: Asserted low.
30
31
34
34
FIGURE 15-8:
BROWN-OUT RESET TIMING AND CHARACTERISTICS
VDD
VBOR
VBOR + VHYST
(Device in Brown-out Reset)
(Device not in Brown-out Reset)
37
Reset
(due to BOR)
33*
* 64 ms delay only if PWRTE bit in the Configuration Word register is programmed to ‘0’.
DS41232D-page 182
© 2007 Microchip Technology Inc.