PIC16F689T-I/SO 查看數據表（PDF） - Microchip Technology

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PIC16F689T-I/SO

20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC16F631/677/685/687/689/690

FIGURE 14-4:

TIME-OUT SEQUENCE ON POWER-UP (DELAYED MCLR): CASE 1

VDD

MCLR

Internal POR

PWRT Time-out

OST Time-out

TPWRT

TOST

Internal Reset

FIGURE 14-5:

TIME-OUT SEQUENCE ON POWER-UP (DELAYED MCLR): CASE 2

VDD

MCLR

Internal POR

PWRT Time-out

OST Time-out

Internal Reset

TPWRT

TOST

FIGURE 14-6:

TIME-OUT SEQUENCE ON POWER-UP (MCLR WITH VDD)

VDD

MCLR

Internal POR

PWRT Time-out

OST Time-out

Internal Reset

TPWRT

TOST

DS41262E-page 204

© 2008 Microchip Technology Inc.

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