SM5221 Ver la hoja de datos (PDF) - Samhop Mircroelectronics
Número de pieza
componentes Descripción
Fabricante
SM5221 Datasheet PDF : 16 Pages
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三合微科股份有限公司
SAMHOP Microelectronics Corp.
SM5221-001/002
32 KEYS ENCODER
PIN DESCRIPTION
No. Pin Name I / O
1
KI0
I
2
KI1
I
3
KI2
I
4
KI3
I
Function
Scan Key Input 0
With Pull Low
Scan Key Input 1
With Pull Low
Scan Key Input 2
With Pull Low
Scan Key Input 3
With Pull Low
5
DOUT
O
Remote Output
6
VDD
POWER
Postive Power
Supply
7
SEL
I
Data Select
8 OSCO
O
Oscillator Output
9
OSCI
I
Oscillator Input
10
VSS
POWER
Negative Power
Supply (substrate)
11
LED
O
Indicator For
Tramsmission
12 KI/O7
I/O
Key Scan 7
13 KI/O6
I/O
Key Scan 6
14 KI/O5
I/O
Key Scan 5
15 KI/O4
I/O
Key Scan 4
16 KI/O3
I/O
Key Scan 3
17 KI/O2
I/O
Key Scan 2
18 KI/O1
I/O
Key Scan 1
19 KI/O0
I/O
Key Scan 0
20 CODE
I/O
Customer Code
Select Input
Pin Name No. I / O
KI0
1
I
KI1
2
I
KI2
3
I
KI3
4
I
KI/O0 19 I / O
Function
Scan Key Input 0
With Pull Low
Scan Key Input 1
With Pull Low
Scan Key Input 2
With Pull Low
Scan Key Input 3
With Pull Low
Key Scan 0
KI/O1 18 I / O
Key Scan 1
KI/O2 17 I / O
Key Scan 2
KI/O3 16 I / O
Key Scan 3
KI/O4 15 I / O
Key Scan 4
KI/O5
KI/O6
14 I / O
13 I / O
Key Scan 5
Key Scan 6
KI/O7 12 I / O
Key Scan 7
DOUT
5
O
Remote Output
SEL
LED
CODE
OSCO
7
I
11 O
20 I / O
8
O
Data Select
Indicator For
Tramsmission
Customer Code
Select Input
Oscillator Output
OSCI
VDD
VSS
9
I
Oscillator Input
6 POWER
Postive Power
Supply
10
POWER
Negative Power
Supply (substrate)
Page 2
V.2.0 Mar 8,2002
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