參數(shù)資料
型號(hào): UPD7554A
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 51/64頁(yè)
文件大?。?/td> 991K
代理商: UPD7554A
51
μ
PD7554A, 7554A(A)
8.
μ
PD7554A APPLIED CIRCUITS
(1) Tape counter (VTR, deck)
PCL
SCK
SO
SI
PD75008
μ
PD75108
μ
CL1
SCK
SI
SO
P80
RESET
P00/INT0
P113
P100 ~ P112
P83
P82
P81
PA80C
μ
7-Segment LED
UP/DOWN Signal
Mechanical
Control
Microcomputer
Tape Counter
Microcomputer
PD7554A
μ
Count Pulse
Driver
etc.
(2) Remote control reception + key entry + LED display
PD7554A
μ
PCL
SCK
SO
SI
PD75008
μ
PD75108
μ
PCL
SCK
SO
SI
P110
P111
P112
C
(Chip
Selector
Transfer
Request)
P113
RESET
P80
P81
P82
P83
P100
P101
P102
P103
P00
PC2800AHA(MS) etc.
μ
LED
12
PA80C
μ
Driver
O
O
R
Key Input 4
×
4
Master
Microcomputer
etc.
Remote
Control
Signal
Amplifier
Circuit
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