參數(shù)資料
型號(hào): UPD75402A
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): 4/48頁(yè)
文件大?。?/td> 515K
代理商: UPD75402A
4
μ
PD75402A(A)
1. PIN CONFIGURATION (TOP VIEW)
28-pin plastic DIP (600 mil), 28-pin plastic shrink DIP (400 mil)
Note
NC
1
28
V
DD
RESET
2
27
X1
P00
3
26
X2
P01/SCK
4
25
P12/INT2
P02/SO/SB0
5
24
P10/INT0
P03/SI
6
23
P23
P50
7
22
P22/PCL
P51
8
21
P21
P52
9
20
P20
P53
10
19
P63
P30
11
18
P62
P31
12
17
P61
P32
13
16
P60
V
SS
14
15
P33
×
μ
P00 - P03
P10 and P12: Port 1
P20 - P23
P30 - P33
P50 - P53
P60 - P63
: Port 0
SCK
SO/SB0
SI
PCL
INT0
INT2
X1 and X2: Oscillating pins
RESET
: Reset input
V
DD
: Power supply
V
SS
: Ground
NC
: No connection
: Serial clock I/O
: Serial output/input-output
: Serial input
: Clock output
: External vectored interrupt input
: External test input
: Port 2
: Port 3
: Port 5
: Port 6
Note
When the
μ
PD75402A(A) shares the printed circuit board with the
μ
PD75P402, connect the NC pin
directly to the V
SS
pin.
相關(guān)PDF資料
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UPD75402AA 4 BIT SINGLE-CHIP MICROCOMPUTER
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