PIC16HV540 Microchip Technology, PIC16HV540 Datasheet - Page 8

• Manufacturer Part Number: PIC16HV540
• Description: Enhanced PIC16C54 EPROM-Based 8-Bit CMOS Microcontroller
• Manufacturer: Microchip Technology

PIC16HV540
FIGURE 3-1:
DS40197B-page 8
INSTRUCTION
INSTRUCTION
REGISTER
DECODER
RB7
8
EPROM
512 X 12
(PIN CHANGE)
RL/SL
W
FILTER
Regulator
12
12
PC
3V/5V
PIC16HV540 BLOCK DIAGRAM
4
RB<3:0>
DIRECT ADDRESS
9-11
STATUS
“TRIS 5”
ALU
PCWU
PC
V
9
IO
9-11
BOD
FROM W
TRISA
“TRIS 7”
BODL/BODEN
8
WDT
TIME
OUT
STACK 1
STACK 2
STACK 3
STACK 4
4
DIRECT RAM
ADDRESS
RA<3:0>
PORTA
Preliminary
TMR0
OPTION2
RL/SL
4
4
Regulator
3V/5V
V
DD
PRESCALER
FROM W
DATA BUS
6
T0CKI
WDT/TMR0
PIN
“TRIS 6”
V
8
SWDTEN (OPTION2 REGISTER)
REG
WATCHDOG
OPTION REG
TIMER
FROM W
TRISB
CONFIGURATION WORD
“DISABLE”
FROM W
8
6
HIGH VOLTAGE
TRANSLATION
RB<7:0>
PORTB
5
PROTECT”
CLKOUT
8
“CODE
8
8
“OPTION”
FSR
5-7
2000 Microchip Technology Inc.
SELECT”
2
“OSC
OSC1 OSC2 MCLR
OSCILLATOR/
CONTROL
TIMING &
REGISTER
PURPOSE
GENERAL
25 Bytes
(SRAM)
FILE
“SLEEP”
8