PIC16C745/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C745/SP

8-Bit CMOS Microcontrollers with USB

Microchip Technology 

PIC16C745/765

FIGURE 3-1: PIC16C745/765 BLOCK DIAGRAM

EPROM

Program

Memory

8K x 14

Program 14

Bus

Instruction reg

13

Program Counter

Data Bus

8

8 Level Stack

(13 bit)

RAM

File

Registers

256 x 8

RAM Addr(1) 9

Addr MUX

Direct Addr 7

Indirect

8 Addr

FSR reg

STATUS reg

8

OSC1/

CLKIN

OSC2/

CLKOUT

Instruction

Decode &

Control

Timing

Generation

x4 PLL

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

Brown-out

Reset

3

MUX

ALU

8

W reg

MCLR VDD, VSS

Parallel Slave Port(2)

Timer0

Timer1

Timer2

8-bit A/D

PORTA

PORTB

PORTC

PORTD

PORTE

RA0/AN0

RA1/AN1

RA2/AN2

RA3/AN3/VREF

RA4/T0CKI

RA5/AN4

RB0/INT

RB<7:1>

RC0/T1OSO/T1CKI

RC1/T1OSI/CCP2

RC2/CCP1

RC6/TX/CK

RC7/RX/DT

RD3:0/PSP3:0(2)

RD4/PSP4(2)

RD5/PSP5(2)

RD6/PSP6(2)

RD7/PSP7(2)

RE0/AN5/RD(2)

RE1/AN6/WR(2)

RE2/AN7/CS(2)

CCP2

CCP1

USART

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

2: Not available on PIC16C745.

Dual Port

RAM

64 x 8

USB

XCVR

VUSB

D-

D+

DS41124A-page 10

Advanced Information

© 1999 Microchip Technology Inc.

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