PIC16LC622A datasheet(10/108 Pages) MICROCHIP

Part #	PIC16LC622A

Description	EPROM-Based 8-Bit CMOS Microcontroller

Download	108 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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10 / 108 page

PIC16C62X

DS30235G-page 10

Preliminary

FIGURE 3-1:

BLOCK DIAGRAM

EPROM

Program

Memory

13

Data Bus

8

14

Program

Bus

Instruction reg

Program Counter

8 Level Stack

(13-bit)

RAM

File

Registers

Direct Addr

7

RAM Addr (1)

9

Addr MUX

Indirect

Addr

FSR reg

STATUS reg

MUX

ALU

W reg

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

Instruction

Decode &

Control

Timing

Generation

OSC1/CLKIN

OSC2/CLKOUT

MCLR

VDD, VSS

Voltage

Brown-out

Reset

Note 1:

Higher order bits are from the STATUS register.

Device

Program Memory

Data Memory

(RAM)

PIC16C620

PIC16C620A

PIC16CR620A

PIC16C621

PIC16C621A

PIC16C622

PIC16C622A

512 x 14

1K x 14

2K x 14

80 x 8

96 x 8

80 x 8

96 x 8

128 x 8

8

3

TMR0

I/O Ports

PORTB

Comparator

RA3/AN3

RA2/AN2/VREF

RA1/AN1

RA0/AN0

Reference

RA4/T0CKI

+

-

+

-

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PIC16LC622A Datasheet(PDF) 10 Page - Microchip Technology

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