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UPD754264GS 데이터 시트보기 (PDF) - NEC => Renesas Technology
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UPD754264GS
4-BIT SINGLE-CHIP MICROCONTROLLERS
NEC => Renesas Technology
UPD754264GS Datasheet PDF : 68 Pages
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2. BLOCK DIAGRAM
µ
PD754264
PTO0/P30
PTO1/P31
PTO2/P32
BASIC INTERVAL
TIMER/WATCHDOG
TIMER
INTBT RESET
8-BIT TIMER
COUNTER#0
INTT0
TOUT
INTT1
8-BIT
TIMER
COUNTER#1
CASCADED
16-BIT
TIMER
8-BIT
COUNTER
TIMER
COUNTER#2
INTT2
INT0/P61
KRREN
KR4/P70 to
KR7/P73
4
INTERRUPT
CONTROL
AV
REF
/P60
AN0/P62
AN1/P63
A/D CONVERTER
SP (8)
CY
ALU
PROGRAM COUNTER
SBS
BANK
GENERAL REG.
PROGRAM MEMORY
(ROM)
4096
×
8 BITS
DATA MEMORY
(RAM)
128
×
4 BITS
EEPROM
32
×
8 BITS
DECODE
AND
CONTROL
PORT3 4 P30 to P33
PORT6 4 P60 to P63
PORT7 4 P70 to P73
PORT8
P80
BIT SEQ. BUFFER (16)
f
X
/2
N
CPU
φ
CLOCK
CLOCK SYSTEM CLOCK STAND BY
DIVIDER GENERATOR CONTROL
X1 X2
IC V
DD
V
SS
RESET
6
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