PIC16C77X Datasheet, PDF (136/200 Pages) Microchip Technology – 28/40-Pin, 8-Bit CMOS Microcontrollers w/ 12-Bit A/D

PIC16C77X
FIGURE 12-8: TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO VDD): CASE 1
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
OST TIME-OUT
TPWRT
TOST
INTERNAL RESET
FIGURE 12-9: TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO VDD): CASE 2
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
OST TIME-OUT
INTERNAL RESET
TPWRT
TOST
FIGURE 12-10: SLOW RISE TIME (MCLR TIED TO VDD)
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
0V
1V
TPWRT
OST TIME-OUT
INTERNAL RESET
5V
TOST
DS30275A-page 136
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© 1999 Microchip Technology Inc.