PIC16C65A Microchip Technology, PIC16C65A Datasheet - Page 12

• Manufacturer Part Number: PIC16C65A
• Description: 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

PIC16C6X
FIGURE 3-3:
DS30234D-page 12
OSC2/CLKOUT
OSC1/CLKIN
Note 1: Higher order bits are from the STATUS register.
USART
Timer0
2: PORTD, PORTE and the Parallel Slave Port are not available on the PIC16C63/R63.
3: Brown-out Reset is not available on the PIC16C65.
Program
Bus
PIC16C63/R63/65/65A/R65 BLOCK DIAGRAM
Instruction reg
Generation
Instruction
Decode &
Synchronous
14
EPROM
Program
Control
Memory
Timing
4K x 14
Serial Port
Timer1
8
13
MCLR
Direct Addr
Start-up Timer
Program Counter
8 Level Stack
Watchdog
Brown-out
Power-up
Power-on
Oscillator
Timer2
Reset
CCP1
Timer
Reset
Timer
(13-bit)
V
DD
(3)
, V
SS
7
RAM Addr
8
3
CCP2
Data Bus
Addr MUX
Registers
(1)
W reg
192 x 8
ALU
Parallel Slave
RAM
File
STATUS reg
FSR reg
Port
8
9
MUX
Indirect
Addr
8
PORTB
PORTC
PORTD
PORTE
PORTA
(Note 2)
1997 Microchip Technology Inc.
RA0
RA1
RA2
RA3
RA4/T0CKI
RA5/SS
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
RE0/RD
RE1/WR
RE2/CS
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7