PIC16C62B/72A
1.0
DEVICE OVERVIEW
This document contains device-specific information.
Additional information may be found in the PICmicro™
Mid-Range Reference Manual, (DS33023), which may
be obtained from your local Microchip Sales Represen-
tative or downloaded from the Microchip website. The
Reference Manual should be considered a comple-
mentary document to this data sheet, and is highly rec-
ommended reading for a better understanding of the
device architecture and operation of the peripheral
modules.
There are two devices (PIC16C62B, PIC16C72A) cov-
ered by this datasheet. The PIC16C62B does not have
the A/D module implemented.
pinouts are listed in Table 1-1.
FIGURE 1-1:
PIC16C62B/PIC16C72A BLOCK DIAGRAM
13
Program Counter
EPROM
2K x 14
Program
Memory
8 Level Stack
(13-bit)
RAM
128 x 8
File
Registers
RAM Addr
(1)
9
PORTB
Data Bus
8
PORTA
RA0/AN0
(2)
RA1/AN1
(2)
RA2/AN2
(2)
RA3/AN3/V
REF
(2)
RA4/T0CKI
RA5/SS/AN4
(2)
Program
Bus
14
Instruction reg
Direct Addr
7
Addr MUX
8
Indirect
Addr
RB0/INT
RB7:RB1
FSR reg
STATUS reg
8
3
Power-up
Timer
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKIN
OSC2/CLKOUT
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
8
W reg
ALU
PORTC
MUX
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6
RC7
MCLR
V
DD
, V
SS
Timer0
Timer1
Timer2
CCP1
Synchronous
Serial Port
A/D
(2)
Note 1:
Higher order bits are from the STATUS register.
2:
The A/D module is not available on the PIC16C62B.
©
1999 Microchip Technology Inc.
Preliminary
DS35008B-page 5
MICROCHIP [ MICROCHIP TECHNOLOGY ]
