Datasheet

 1997-2013 Microchip Technology Inc. DS30234E-page 11
PIC16C6X
FIGURE 3-2: PIC16C62/62A/R62/64/64A/R64 BLOCK DIAGRAM
EPROM/
Program
Memory
2K x 14
13
Data Bus
8
14
Program
Bus
Instruction reg
Program Counter
8 Level Stack
(13-bit)
RAM
File
Registers
128 x 8
Direct Addr
7
RAM Addr
(1)
9
Addr MUX
Indirect
Addr8
FSR reg
STATUS reg
MUX
ALU
W reg
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKIN
OSC2/CLKOUT
MCLR
VDD, VSS
Synchronous
Serial Port
3
PORTA
PORTB
PORTC
PORTD
PORTE
RA4/T0CKI
RA5/SS
RB0/INT
RB7:RB1
RC0/T1OSO/T1CKI
(4)
RC1/T1OSI
(4)
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6
RC7
RE0/RD
RE1/WR
RE2/CS
RD0/PSP0
8
8
(Note 2)
Brown-out
Reset
(3)
ROM
Timer0
Timer1 Timer2 CCP1
RA1
RA0
RA2
RA3
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
Parallel Slave
Port
Note 1: Higher order bits are from the STATUS register.
2: PORTD, PORTE and the Parallel Slave Port are not available on the PIC16C62/62A/R62.
3: Brown-out Reset is not available on the PIC16C62/64.
4: Pin functions T1OSI and T1OSO are swapped on the PIC16C62/64.