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參數(shù)資料
| 型號： | SC83053 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | KEYBOARD ENCODER |
| 中文描述： | 鍵盤編碼器 |
| 文件頁數(shù)： | 4/27頁 |
| 文件大?。?/td> | 483K |
| 代理商： | SC83053 |
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Silan
Semiconductors
SC83053
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2001.11.8.
4
(Continued)
Pin no.
Symbol
I/O
Function
7-10
P92-P95
O
Low output scan line, 3-state
13
P52
O
Column 5 low output scan line, 3-state
14
P53
O
Column 6 low output scan line, 3-state
15
P54
O
Column 7 low output scan line, 3-state
16
P55
O
Column 14 low output scan line, 3-state
17
P56
O
Column 13 low output scan line, 3-state
18
P57
O
Column 12 low output scan line, 3-state
19
P80
O
Column 11 low output scan line, 3-state
20
P81
O
Column 15 low output scan line, 3-state
21
P82
O
Column 10 low output scan line, 3-state
22
P83
O
Column 8 low output scan line, 3-state
23
P84
O
Column 9 low output scan line, 3-state
24
P85
O
Column 0 low output scan line, 3-state
25
P86
O
Column 16 low output scan line, 3-state
26
P87
O
Column 17 low output scan line, 3-state
5
P90
O
Column 1 low output scan line, 3-state
6
P91
O
Column 2 low output scan line, 3-state
1
GND
I
Ground
35
SCROLL
O
Scroll lock indicator
36
NUM
O
NUM lock indicator
37
CAPS
O
Caps lock indicator
27
P60
I
Row 0 input scan line, internal pull high (17K
)
28
P61
I
Row 1 input scan line, internal pull high (17K
)
29
P62
I
Row 2 input scan line, internal pull high (17K
)
30
P63
I
Row 3 input scan line, internal pull high (17K
)
31
P64
I
Row 4 input scan line, internal pull high (17K
)
32
P65
I
Row 5 input scan line, internal pull high (17K
)
33
P66
I
Row 6 input scan line, internal pull high (17K
)
34
P67
I
Row 7 input scan line, internal pull high (17K
)
4
CLK
I/O
CLOCK line for IBM communication, internal pull high (2.2K
)
3
DATA
I/O
DATA line for IBM communication, internal pull high (2.2K
)
38
VDD
I
+5V power supply
2
OSCO
O
CLOCK output
39
R_OSCI
I
Connect 51K
resistor for 1.8432MHz oscillation.
40
NC
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