PIC16LF1904 Datasheet, PDF (248/288 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC16LF1904/6/7
FIGURE 22-6:
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
34
31
34
FIGURE 22-7:
VDD
BROWN-OUT RESET TIMING AND CHARACTERISTICS
VBOR
VBOR and VHYST
(Device in Brown-out Reset)
(Device not in Brown-out Reset)
37
Reset
(due to BOR)
33⁽¹⁾
Note 1: 64 ms delay only if PWRTE bit in the Configuration Word register is programmed to ‘0’.
2 ms delay if PWRTE = 0 and VREGEN = 1.
DS41569A-page 248
Preliminary
 2011 Microchip Technology Inc.