PIC16C63A Microchip Technology, PIC16C63A Datasheet - Page 6

• Manufacturer Part Number: PIC16C63A
• Description: 28/40-Pin 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

PIC16C63A/65B/73B/74B
FIGURE 1-2:
DS30605A-page 6
Note 1: Higher order bits are from the STATUS register.
Timer0
OSC2/CLKOUT
CCP1
OSC1/CLKIN
2: The A/D module is not available on the PIC16C65B.
Program
Bus
PIC16C65B/PIC16C74B BLOCK DIAGRAM
Instruction reg
Generation
Instruction
Decode &
14
EPROM
Program
Control
Memory
Timing
4K x 14
Timer1
CCP2
8
13
MCLR
Direct Addr
Start-up Timer
Program Counter
8 Level Stack
Watchdog
Brown-out
Power-up
Oscillator
Power-on
Timer
Reset
Timer
Reset
(13-bit)
Synchronous
V
Serial Port
DD
Timer2
, V
SS
7
RAM Addr
8
3
Data Bus
(1)
Addr MUX
Registers
W reg
192 x 8
ALU
Parallel Slave Port
RAM
File
STATUS reg
FSR reg
USART
MUX
9
8
A/D
(2)
Indirect
Addr
8
PORTB
PORTC
PORTD
PORTE
PORTA
1998 Microchip Technology Inc.
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
RA4/T0CKI
RA5/SS/AN4
RB0/INT
RB7:RB1
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RD7/PSP7:RD0/PSP0
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
(2)
(2)
(2)
REF
(2)
(2)
(2)
(2)
(2)