PIC17C4X Datasheet, PDF (17/240 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM/ROM Microcontroller

PIC17C4X
FIGURE 4-2: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD)
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
OST TIME-OUT
TPWRT
TOST
INTERNAL RESET
FIGURE 4-3: TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO VDD)
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
OST TIME-OUT
TPWRT
TOST
INTERNAL RESET
FIGURE 4-4: SLOW RISE TIME (MCLR TIED TO VDD)
5V
VDD
0V
1V
MCLR
INTERNAL POR
TPWRT
PWRT TIME-OUT
TOST
OST TIME-OUT
INTERNAL RESET
© 1996 Microchip Technology Inc.
DS30412C-page 17