PIC16C717-ISO データシートの表示（PDF） - Microchip Technology

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PIC16C717-ISO

18/20-Pin, 8-Bit CMOS Microcontrollers with 10/12-Bit A/D

Microchip Technology 

PIC16C717/770/771

FIGURE 1-2: PIC16C770/771 BLOCK DIAGRAM

EPROM

Program

Memory(2)

Program

Bus

14

13

Program Counter

8 Level Stack

(13-bit)

Program Memory

Read (PMR)

Instruction reg

Direct Addr 7

Internal

4MHz, 37KHz

and ER mode

Instruction

Decode &

Control

OSC1/CLKIN

OSC2/CLKOUT

Timing

Generation

VDD, VSS

8

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

Brown-out

Reset

Data Bus

8

RAM

File

Registers

256 x 8

RAM

9 Addr(1)

Addr MUX

Indirect

8 Addr

FSR reg

STATUS reg

3

MUX

ALU

8

W reg

PORTA

PORTB

RA0/AN0

RA1/AN1/LVDIN

RA2/AN2/VREF-/VRL

RA3/AN3/VREF+/VRH

RA4/T0CKI

RA5/MCLR/VPP

RA6/OSC2/CLKOUT

RA7/OSC1/CLKIN

RB0/AN4/INT

RB1/AN5/SS

RB2/SCK/SCL

RB3/CCP1/P1A

RB4/SDI/SDA

RB5/SDO/P1B

RB6/T1OSO/T1CKI/P1C

RB7/T1OSI/P1O

AVDD

AVSS

12-bit

ADC

Bandgap

Reference

Low-voltage

Detect

Timer0

Timer1

Timer2

Enhanced CCP

(ECCP1)

Master

Synchronous

Serial Port (MSSP)

Note 1: Higher order bits are from the STATUS register.

2: Program memory for PIC16C770 is 2K x 14. Program memory for PIC16C771 is 4K x 14.

DS41120A-page 6

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© 1999 Microchip Technology Inc.

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