PIC16C56A Microchip Technology Inc., PIC16C56A Datasheet - Page 12

• Manufacturer Part Number: PIC16C56A
• Description: Eprom/rom-based 8-bit Cmos Microcontroller Series
• Manufacturer: Microchip Technology Inc.

PIC16C5X
FIGURE 3-1:
DS30453D-page 10
INSTRUCTION
INSTRUCTION
EPROM/ROM
512 X 12 TO
REGISTER
DECODER
2048 X 12
8
W
12
12
DIRECT ADDRESS
9-11
PIC16C5X SERIES BLOCK DIAGRAM
STATUS
ALU
“TRIS 5”
PC
9
9-11
FROM W
TRISA
8
WDT TIME
STACK 1
STACK 2
DIRECT RAM
4
OUT
ADDRESS
PORTA
RA<3:0>
TMR0
Preliminary
4
4
DATA BUS
T0CKI
“TRIS 6”
PRESCALER
PIN
8
WDT/TMR0
WATCHDOG
OPTION REG.
TIMER
FROM W
TRISB
CONFIGURATION WORD
“DISABLE”
FROM W
6
8
PORTB
RB<7:0>
PROTECT”
CLKOUT
“CODE
5
8
8
“TRIS 7”
“OPTION”
FSR
5-7
2002 Microchip Technology Inc.
SELECT”
2
“OSC
FROM W
OSC1 OSC2 MCLR
TRISC
OSCILLATOR/
24, 25, 72 or
CONTROL
REGISTER
TIMING &
PURPOSE
GENERAL
73 Bytes
(SRAM)
8
Devices Only)
FILE
“SLEEP”
PORTC
RC<7:0>
(28-Pin
8
8
8