eKK8011AB
USB and PS/2 Keyboard Encoder
5 Pin Description
Symbol
P50
P51
P52
P53
P54
P55
P56
P57
P80
P81
P82
P83
P84
P85
P86
P87
P90
P91
P92
P93
P95
VSS
SCROLL
NUM
CAPS
P60
P61
P62
P63
P64
P65
P66
P67
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
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
Internal Multi-Function 1 selection
I
Internal Multi-Function 2 selection
O
PWR
O
O
O
I
Mode LED
Ground
Scroll Lock Indicator
NUM Lock Indicator
Caps Lock Indicator
Row 0 Input scan line, internal pull high (25Kꢀ)
Row 1 Input scan line, internal pull high (25Kꢀ)
Row 2 Input scan line, internal pull high (25Kꢀ)
Row 3 Input scan line, internal pull high (25Kꢀ)
Row 4 Input scan line, internal pull high (25Kꢀ)
Row 5 Input scan line, internal pull high (25Kꢀ)
Row 6 Input scan line, internal pull high (25Kꢀ)
Row 7 Input scan line, internal pull high (25Kꢀ)
I
I
I
I
I
I
I
Clock line for IBM communication, internal pull-high (2.2Kꢀ) or
D+ line for USB communication, internal weak pull-high (2Mꢀ)
CLK/D+
I/O
I/O
Data line for IBM communication, internal pull-high (2.2Kꢀ) or
D- line for USB communication, internal pull-high (1.5Kꢀ)
DATA/D-
VDD
OSCO
OSCI
V3.3
PWR
O
+5V Power Supply
Connect to a 6MHz Crystal for 6MHz oscillation
Connect to a 6MHz Crystal for 6MHz oscillation
3.3V output
I
PWR
Product Specification (V1.4) 07.10.2006
(This specification is subject to change without further notice)
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ELAN [ ELAN MICROELECTRONICS CORP ]
