PIC16F57 Microchip Technology Inc., PIC16F57 Datasheet - Page 10

• Manufacturer Part Number: PIC16F57
• Description: Flash-based, 8-bit Cmos Microcontroller Series
• Manufacturer: Microchip Technology Inc.

PIC16F5X
FIGURE 2-1:
DS41213D-page 8
2048 X 12(F57)
2048 x 12(F59)
512 X 12 (F54)
Instruction
Instruction
Decoder
Register
8
Flash
W
12
12
Direct Address
9-11
PIC16F5X SERIES BLOCK DIAGRAM
STATUS
ALU
PC
9
9-11
“TRIS 9”
“TRIS 5”
From W
TRISE
TRISA
From W
PIC16F59
8
RE<7:4>
only
Time-out
4
Stack 1
Stack 2
4
WDT
Direct RAM
Address
RA<3:0>
PORTE
PORTA
TMR0
8
4
4
4
T0CKI
Pin
WDT/TMR0
Prescaler
Data Bus
8
“TRIS 8”
From W
Watchdog
TRISD
Option Reg.
Timer
PIC16F59
RD<7:0>
only
8
“TRIS 6”
“Disable”
From W
TRISB
Configuration Word
PORTD
6
From W
8
CLKOUT
8
PORTB
8
RB<7:0>
Protect”
5
“Code-
8
8
“Option”
SFR
© 2007 Microchip Technology Inc.
5-7
2
Select”
“Osc
OSC1 OSC2 MCLR
From W
“TRIS 7”
TRISC
25, 72 or 134
Oscillator/
Timing &
Control
Purpose
Register
General
(SRAM)
Bytes
8
File
PIC16F57/59
“Sleep”
PORTC
RC<7:0>
only
8
8
8