PIC16C63-20/TQ Microchip Technology, PIC16C63-20/TQ Datasheet - Page 10

• Manufacturer Part Number: PIC16C63-20/TQ
• Description: 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

DataSheet4U.com
www.DataSheet4U.com
PIC16C6X
FIGURE 3-1:
DS30234D-page 10
OSC1/CLKIN
OSC2/CLKOUT
Note 1: Higher order bits are from the STATUS register.
Program
Bus
PIC16C61 BLOCK DIAGRAM
Instruction reg
Generation
Instruction
Decode &
14
EPROM
Program
Control
Memory
1K x 14
Timing
8
13
MCLR
Direct Addr
Start-up Timer
Program Counter
8 Level Stack
Watchdog
Power-up
Oscillator
Power-on
Timer
Reset
Timer
(13-bit)
V
DD
, V
DataSheet4U.com
SS
7
RAM Addr
8
3
Data Bus
(1)
Addr MUX
Registers
W reg
ALU
36 x 8
RAM
File
STATUS reg
Timer0
FSR reg
8
MUX
9
Indirect
Addr
8
DataSheet4U.com
PORTB
PORTA
1997 Microchip Technology Inc.
RA0
RA1
RA2
RA3
RA4/T0CKI
RB0/INT
RB7:RB1
DataShee