PIC16C71X
FIGURE 3-1: PIC16C71X BLOCK DIAGRAM
Device
Program Memory Data Memory (RAM)
PIC16C710
PIC16C71
PIC16C711
PIC16C715
512 x 14
1K x 14
1K x 14
2K x 14
36 x 8
36 x 8
68 x 8
128 x 8
13
8
PORTA
Data Bus
Program Counter
EPROM
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/VREF
RA4/T0CKI
Program
Memory
RAM
8 Level Stack
(13-bit)
File
Registers
Program
Bus
14
RAM Addr (1)
PORTB
9
Addr MUX
Instruction reg
RB0/INT
RB7:RB1
Indirect
Addr
7
Direct Addr
8
FSR reg
STATUS reg
8
3
MUX
Power-up
Timer
Instruction
Decode &
Control
Oscillator
Start-up Timer
ALU
8
Power-on
Reset
Timing
Generation
W reg
Watchdog
Timer
OSC1/CLKIN
OSC2/CLKOUT
Brown-out
Reset(2)
Timer0
MCLR VDD, VSS
A/D
Note 1: Higher order bits are from the STATUS register.
2: Brown-out Reset is not available on the PIC16C71.
DS30272A-page 8
1997 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
