PIC16F716
DS41206B-page 66
2007 Microchip Technology Inc.
FIGURE 9-5:
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
FIGURE 9-6:
BROWN-OUT SITUATIONS (PWRTE = 0)
S
R
Q
External
Reset
MCLR
VDD
OSC1
WDT
Module
VDD 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
Sleep
Note 1: This is a separate oscillator from the RC oscillator of the CLKIN pin.
Brown-out
Reset
BOREN
(1)
PWRTE See Table 9-3 for time-out
situations.
72 ms
VBOR
VDD
Internal
Reset
VBOR
VDD
Internal
Reset
72 ms
<72 ms
72 ms
VBOR
VDD
Internal
Reset
