Datasheet

 1997-2013 Microchip Technology Inc. DS30561C-page 57
PIC12C67X
FIGURE 9-6: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
S
R
Q
Weak
Pull-up
GP3/MCLR/VPP Pin
V
DD
OSC1/
WDT
Module
V
DD rise
detect
OST/PWRT
On-chip
(1)
RC OSC
WDT Time-out
Power-on Reset
OST
PWRT
Chip_Reset
10-bit Ripple-counter
Enable OST
Enable PWRT
SLEEP
See Table 9-4 for time-out situations.
Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin.
CLKIN
Pin
10-bit Ripple-counter
MCLRE
INTERNAL MCLR