參數資料
型號: UPD7554AA
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數: 3/64頁
文件大小: 991K
代理商: UPD7554AA
3
μ
P
B
μ
P
RESET
V
DD
V
SS
INSTRUCTION
DECODER
STANDBY
CONTROL
SYSTEM
CLOCK
GENERATOR
PROGRAM MEMORY
1024
×
8 BITS
PROGRAM COUNTER (10)
P00/INT0
CL
CLOCK
CONTROL
TIMER/EVENT
COUNTER
TEST
CONTROL
SERIAL
INTERFACE
PORT0
BUFFER
PORT8
LATCH
BUFFER
PORT10
LATCH
BUFFER
PORT11
LATCH
BUFFER
4
P00–P03
3
P80–P82
P83 (CL2)
4
P100–P103
4
P110–P113
A (4)
C
H (2)
L (2)
STACK POINTER (6)
DATA MEMORY
64
×
4 BITS
ALU
INT0
P01/SCK
P03/SI
P02/SO
φ
CL
CL1CL2(P83)
CP
GENERAL REGISTERS
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