PIC16LF648AT-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LF648AT-I/ML

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

Microchip Technology 

PIC16F627A/628A/648A

FIGURE 3-1:

BLOCK DIAGRAM

Flash

Program

Memory

13

Program Counter

8-Level Stack

(13-bit)

Data Bus

8

RAM

File

Registers

Program

Bus

14

Instruction Reg

RAM Addr (1) 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

Brown-out

Reset

Low-Voltage

Programming

3

MUX

ALU

8

W Reg

PORTA

PORTB

RA0/AN0

RA1/AN1

RA2/AN2/VREF

RA3/AN3/CMP1

RA4/T0CK1/CMP2

RA5/MCLR/VPP

RA6/OSC2/CLKOUT

RA7/OSC1/CLKIN

RB0/INT

RB1/RX/DT

RB2/TX/CK

RB3/CCP1

RB4/PGM

RB5

RB6/T1OSO/T1CKI/PGC

RB7/T1OSI/PGD

Comparator

MCLR VDD, VSS

Timer0

Timer1

Timer2

VREF

CCP1

USART

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

Data EEPROM

DS40044F-page 10

© 2007 Microchip Technology Inc.

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