SC83053 Datasheet, PDF (4/27 Pages) List of Unclassifed Manufacturers – KEYBOARD ENCODER

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