PIC16LC923T-04/CL Ver la hoja de datos (PDF) - Microchip Technology

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PIC16LC923T-04/CL

8-Bit CMOS Microcontroller with LCD Driver

Microchip Technology 

PIC16C9XX

FIGURE 3-1: PIC16C923 BLOCK DIAGRAM

EPROM

Program

Memory

4K x 14

Program

Bus

14

Instruction reg

13

Program Counter

Data Bus

8

8 Level Stack

(13-bit)

RAM

File

Registers

176 x 8

RAM Addr

9

Addr MUX

Direct Addr 7

Indirect

8 Addr

FSR reg

STATUS reg

8

Instruction

Decode &

Control

OSC1/CLKIN

OSC2/CLKOUT

Timing

Generation

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

3

MUX

ALU

8

W reg

MCLR VDD, VSS

PORTA

PORTB

PORTC

PORTD

PORTE

RA0

RA1

RA2

RA3

RA4/T0CKI

RA5/SS

RB0/INT

RB1-RB7

RC0/T1OSO/T1CKI

RC1/T1OSI

RC2/CCP1

RC3/SCK/SCL

RC4/SDI/SDA

RC5/SDO

RD0-RD4/SEGnn

RD5-RD7/SEGnn/COMn

RE0-RE7/SEGnn

PORTF

RF0-RF7/SEGnn

Timer0

Timer1, Timer2,

CCP1

PORTG

RG0-RG7/SEGnn

Synchronous

Serial Port

LCD

COM0

VLCD1

VLCD2

VLCD3

C1

C2

VLCDADJ

DS30444E - page 10

© 1997 Microchip Technology Inc.

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