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參數(shù)資料
| 型號： | EM83055 |
| 英文描述： | Keyboard encoder for Windows ME， 98， 2000 with FN key enhanced |
| 中文描述： | 鍵盤編碼器適用于Windows Me，98，加強與Fn鍵2000 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 116K |
| 代理商： | EM83055 |
* This specification are subject to be changed without notice.
EM83050H
KEYBOARD ENCODER
2
9.16.1999
Preliminary
PIN DESCRIPTIONS
Symbol
I/O
Function
P50
O
Column 3 Low output scan line, 3-state
P51
O
Column 4 Low output scan line, 3-state
P52
O
Column 5 Low output scan line, 3-state
P53
O
Column 6 Low output scan line, 3-state
P54
O
Column 7 Low output scan line, 3-state
P55
O
Column 14 Low output scan line, 3-state
P56
O
Column 13 Low output scan line, 3-state
P57
O
Column 12 Low output scan line, 3-state
P80
O
Column 11 Low output scan line, 3-state
P81
O
Column 15 Low output scan line, 3-state
P82
O
Column 10 Low output scan line, 3-state
P83
O
Column 8 Low output scan line, 3-state
P84
O
Column 9 Low output scan line, 3-state
P85
O
Column 0 Low output scan line, 3-state
P86
O
Column 16 Low output scan line, 3-state
P87
O
Column 17 Low output scan line, 3-state
P90
O
Column 1 Low output scan line, 3-state
P91
O
Column 2 Low output scan line, 3-state
VSS
I
Ground
SCROLL
O
Scroll Lock Indicator
NUM
O
NUM Lock Indicator
CAPS
O
Caps Lock Indicator
P60
I
Row 0 Input scan line, internal pull high ( 10K
)
P61
I
Row 1 Input scan line, internal pull high ( 10K
)
P62
I
Row 2 Input scan line, internal pull high ( 10K
)
P63
I
Row 3 Input scan line, internal pull high ( 10K
)
P64
I
Row 4 Input scan line, internal pull high ( 10K
)
P65
I
Row 5 Input scan line, internal pull high ( 10K
)
P66
I
Row 6 Input scan line, internal pull high ( 10K
)
P67
I
Row 7 Input scan line, internal pull high ( 10K
)
CLK
I/O
CLOCK line for IBM communication , internal pull high ( 2.2K
)
DATA
I/O
DATA line for IBM communication , internal pull high ( 2.2K
)
V
DD
I
+5V Power Supply
OSCO
O
CLOCK output
OSCR
I
Connect 51K OHM resistor for 1.8432 MHz oscillation
XT
I
"1" or Floating=AT, "0"=XT, internal pull high.
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