Microchip Technology AC244045 Data Sheet

Microchip Technology

© 2009 Microchip Technology Inc.

DS41341E-page 15

PIC16F72X/PIC16LF72X

FIGURE 1-2:

PIC16F724/727/PIC16LF724/727 BLOCK DIAGRAM

13

Data Bus

8

14

Program

Bus

Instruction reg

Program Counter

8 Level Stack

(13-bit)

Direct Addr

7

RAM Addr

9

Addr MUX

Indirect

Addr

FSR reg

STATUS reg

MUX

ALU

Instruction

Decode &

Control

Timing

Generation

OSC1/CLKIN

OSC2/CLKOUT

PORTA

PORTB

PORTC

PORTD

PORTE

RA4
RA5

RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7

RE0

RE1

RE2

8

8

AUSART

Timer0

Timer1

Timer2

RA3

RA1

RA0

8

3

RA6
RA7

RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7

RB0
RB1
RB2
RB3
RB4
RB5

RB7

AN6

AN0 AN1 AN2 AN3 AN4 AN5

AN7

Synchronous

SDA SCL

SS

SDO

Serial Port

SDI/ SCK/

TX/CK RX/DT

Internal

Oscillator

Block

Configuration

13

Data Bus

8

14

Program

Bus

Instruction reg

Program Counter

8 Level Stack

(13-bit)

Direct Addr

7

RAM Addr

Addr MUX

Indirect

Addr

FSR reg

STATUS reg

MUX

ALU

W Reg

Instruction

Decode &

Control

Timing

Generation

PORTB

PORTC

PORTD

PORTE

RC1

8

8

AUSART

Timer0

Timer1

Timer2

8

3

Synchronous

SDA SCL

SS

SDO

Serial Port

SDI/ SCK/

Internal

Oscillator

Block

Configuration

13

Data Bus

8

14

Program

Bus

Instruction Reg

Program Counter

8 Level Stack

(13-bit)

Direct Addr

7

RAM Addr

Addr MUX

Indirect

Addr

FSR Reg

STATUS Reg

MUX

ALU

Instruction

Decode and

Control

Timing

Generation

PORTB

PORTC

PORTD

PORTE

RC1

8

8

AUSART

Timer0

Timer1

Timer2

8

3

Analog-To-Digital Converter

RB6

Synchronous

SDA SCL

SS

SDO

Serial Port

SDI/ SCK/

Internal

Oscillator

Block

Configuration

RE3

CCP2

CCP2

CCP1

CCP1

V

REF

RA2

AN9

AN8

AN10 AN11 AN12 AN13

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

MCLR V

DD

Brown-out

Reset

V

SS

T0CKI

T1G

T1CKI

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

MCLR V

DD

Brown-out

Reset

V

SS

T0CKI

T1CKI

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

MCLR V

DD

Brown-out

Reset

V

SS

T0CKI

T1CKI

Timer1

32 kHz

Oscillator

T1OSI

T1OSO

LDO

(1)

Regulator

Note

1:

PIC16F724/727 only.

Capacitive Sensing Module

CPS6

CPS0 CPS1 CPS2 CPS3 CPS4

CPS7 CPS8 CPS9 CPS10 CPS11 CPS12 CPS13 CPS14 CPS15

CPS5

Flash

Program

Memory

RAM