PIC16F628A-I/SO 查看數據表（PDF） - Microchip Technology

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PIC16F628A-I/SO

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

Microchip Technology 

PIC16F627A/628A/648A

FIGURE 14-6:

SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT

External

Reset

MCLR/

VPP Pin

VDD

Schmitt Trigger Input

Sleep

WDT

Module

WDT

Time-out

Reset

VDD Rise

Detect Power-on Reset

Brown-out

Reset

S

BOREN

OST/PWRT

OST

10-bit Ripple-counter

OSC1/

R

CLKIN

Pin

PWRT

On-chip(1)

OSC

10-bit Ripple-counter

Q

Chip_Reset

Q

Enable PWRT

Enable OST

Note 1: This is a separate oscillator from the INTOSC/RC oscillator.

See Table 14-3 for time out situations.

DS40044F-page 100

© 2007 Microchip Technology Inc.

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