EKK8301 查看數據表（PDF） - ELAN Microelectronics
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EKK8301 Datasheet PDF : 30 Pages
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eKK8301
Keyboard Encoder
5 Pin Description
Symbol
P50
P51
P52
P53
P54
P55
P56
P57
P80
P81
P82
P83
P84
P85
P86
P87
P90
P91
VSS
SCROLL
NUM
CAPS
P60
P61
P62
P63
P64
P65
P66
P67
CLK
DATA
VDD
OSCO
R_OSCI
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
PWR
O
O
O
I
I
I
I
I
I
I
I
I/O
I/O
I
O
I
Function
Column 3 Low output scan line, 3-state
Column 4 Low output scan line, 3-state
Column 5 Low output scan line, 3-state
Column 6 Low output scan line, 3-state
Column 7 Low output scan line, 3-state
Column 14 Low output scan line, 3-state
Column 13 Low output scan line, 3-state
Column 12 Low output scan line, 3-state
Column 11 Low output scan line, 3-state
Column 15 Low output scan line, 3-state
Column 10 Low output scan line, 3-state
Column 8 Low output scan line, 3-state
Column 9 Low output scan line, 3-state
Column 0 Low output scan line, 3-state
Column 16 Low output scan line, 3-state
Column 17 Low output scan line, 3-state
Column 1 Low output scan line, 3-state
Column 2 Low output scan line, 3-state
Ground
Scroll Lock Indicator
NUM Lock Indicator
Caps Lock Indicator
Row 0 Input scan line, internal pull high ( 17KΩ)
Row 1 Input scan line, internal pull high ( 17KΩ)
Row 2 Input scan line, internal pull high ( 17KΩ)
Row 3 Input scan line, internal pull high ( 17KΩ)
Row 4 Input scan line, internal pull high ( 17KΩ)
Row 5 Input scan line, internal pull high ( 17KΩ)
Row 6 Input scan line, internal pull high ( 17KΩ)
Row 7 Input scan line, internal pull high ( 17KΩ)
CLOCK line for IBM communication , imternal pull high (2.2 KΩ…)
DATA line for IBM communication , internal pull high (2.2 KΩ…)
+5V Power Supply
CLOCK output
Connect 51K OHM resistor for 1.8432 MHz oscillation
Product Specification (V1.0) 08.07.2002
3
(This specification is subject to change without further notice)
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