PIC16C62B/72A
FIGURE 10-5: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
External
Reset
MCLR
SLEEP
WDT
WDT
Module
Time-out
Reset
VDD rise
detect
Power-on Reset
VDD
Brown-out
Reset
S
R
BODEN
OST/PWRT
OST
10-bit Ripple counter
Chip_Reset
Q
OSC1
(1)
On-chip
RC OSC
PWRT
10-bit Ripple counter
Enable PWRT
Enable OST
Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin.
DS35008B-page 58
Preliminary
1999 Microchip Technology Inc.