Datasheet

PIC16C712/716
DS41106C-page 56  1999-2013 Microchip Technology Inc.
FIGURE 9-6: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
FIGURE 9-7: BROWN-OUT SITUATIONS
S
R
Q
External
Reset
MCLR
VDD
OSC1
WDT
Module
V
DD rise
detect
OST/PWRT
On-chip
RC OSC
WDT
Time-out
Power-on Reset
OST
10-bit Ripple counter
PWRT
Chip_Reset
10-bit Ripple counter
Reset
Enable OST
Enable PWRT
SLEEP
Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin.
Brown-out
Reset
BODEN
(1)
PWRT
BODEN
See Table 9-3 for time-out
situations.
72 ms
V
BOR
VDD
Internal
Reset
VBOR
VDD
Internal
Reset
72 ms
<72 ms
72 ms
V
BOR
VDD
Internal
Reset