CF745 データシートの表示（PDF） - Microchip Technology
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CF745 Datasheet PDF : 217 Pages
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PIC16C5X
FIGURE 3-1: PIC16C5X SERIES BLOCK DIAGRAM
EPROM/ROM
384 X 12 TO
2048 X 12
9-11
PC
9-11
STACK 1
STACK 2
T0CKI
PIN
CONFIGURATION WORD OSC1 OSC2 MCLR
“DISABLE”
“OSC
SELECT”
12
INSTRUCTION
REGISTER
12
WATCHDOG
TIMER
2
“CODE
PROTECT”
OSCILLATOR/
TIMING &
CONTROL
9
WDT TIME
WDT/TMR0
CLKOUT
OUT
PRESCALER
INSTRUCTION
DECODER
DIRECT ADDRESS
8
STATUS
8
DIRECT RAM
ADDRESS
6
OPTION REG.
FROM W
5
“OPTION”
5-7
“SLEEP”
GENERAL
PURPOSE
REGISTER
FILE
(SRAM)
24, 25, 72 or
73 Bytes
TMR0
FSR
DATA BUS
W
ALU
FROM W
8
FROM W
4
4
8
8
8
FROM W
8
8
“TRIS 5”
“TRIS 6”
“TRIS 7”
TRISA PORTA
TRISB PORTB
TRISC PORTC
4
RA3:RA0
8
RB7:RB0
8
RC7:RC0
(28-Pin
Devices Only)
DS30453B-page 10
Preliminary
© 1998 Microchip Technology Inc.
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