EKK8011A ELAN Microelectronics Corp, EKK8011A Datasheet - Page 7

• Manufacturer Part Number: EKK8011A
• Description: Usb & Ps/2 Keyboard Encoder
• Manufacturer: ELAN Microelectronics Corp

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