PIC16C65B Microchip Technology Inc., PIC16C65B Datasheet - Page 10

• Manufacturer Part Number: PIC16C65B
• Description: 8-bit Cmos Microcontrollers With A/d Converter
• Manufacturer: Microchip Technology Inc.

PIC16C63A/65B/73B/74B
FIGURE 3-1:
DS30605C-page 10
Note 1: Higher order bits are from the STATUS register.
Timer0
OSC1/CLKIN
OSC2/CLKOUT
CCP1
2: A/D is not available on the PIC16C63A/65B.
3: PSP and Ports D and E are not available on PIC16C63A/73B.
Program
Bus
Instruction reg
Generation
Instruction
Decode &
14
EPROM
Program
Control
Memory
PIC16C63A/65B/73B/74B BLOCK DIAGRAM
Timing
Timer1
CCP2
8
13
MCLR
Direct Addr
Start-up Timer
Program Counter
8 Level Stack
Watchdog
Brown-out
Power-up
Oscillator
Power-on
Reset
Reset
Timer
Timer
(13-bit)
Synchronous
V
Serial Port
DD
Timer2
, V
SS
7
RAM Addr
8
3
(1)
Data Bus
Addr MUX
Registers
W reg
ALU
Parallel Slave Port
RAM
File
STATUS reg
FSR reg
USART
MUX
9
8
A/D
(3)
(2)
Indirect
Addr
8
PORTD
PORTE
PORTB
PORTA
PORTC
2000 Microchip Technology Inc.
(3)
(3)
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
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
(2)
(2)
(2)
REF
(2)
(2,3)
(2,3)
(2,3)
(2)