參數(shù)資料
型號(hào): HT82K628A
廠商: Holtek Semiconductor Inc.
英文描述: Windows 2000 Keyboard Encoder(Windows 2000操作系統(tǒng)鍵盤編碼器)
中文描述: Windows 2000的鍵盤編碼器(Windows 2000的操作系統(tǒng)鍵盤編碼器)
文件頁(yè)數(shù): 2/25頁(yè)
文件大?。?/td> 174K
代理商: HT82K628A
Pin Assignment
Pin Description
Pin No.
Pin Name
I/O
Description
10~7, 2~1,
40~39, 29~22
14~11
R0~R19
O
Keyboard matrix scanning output pins
6~3, 38~35
C0~C7
I
Keyboard matrix scanning input pins
15
VSS
Negative power supply, ground
16
SCROLL
O
Scroll Lock indicator
17
NUM
O
Num Lock indicator
18
DATA
I/O
Bidirectional data transmission line
19
CLOCK
I/O
Synchronous clock signal. Used to clock the transmis-
sion data.
20
Fn Select
I
Mini-keyboard select, enables the function if connected
to VSS.
21
Macro Key Select
I
Macro Key select, disables the function if connected to
VSS.
30
CAPS
O
Caps Lock indicator
HT82K628A
2
December 8, 2000
! " # $ %
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