HT6222(2000) 查看數據表（PDF） - Holtek Semiconductor
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HT6222 Datasheet PDF : 13 Pages
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HT6221/HT6222
KEY
K26
K27
K28
K29
K30
K31
K32
Data Codes
D0~D6
1001 100
0101 100
1101 100
0011 100
1011 100
0111 100
1111 100
Data Code
D7
0/1
0/1
0/1
0/1
0/1
0/1
0/1
Note: D7 is defined by an external switch
D7=0 : connect to VDD
D7=1 : connect to VSS
KEY
K58
K59
K60
K61
K62
K63
K64
Data Codes
D0~D6
1001 101
0101 101
1101 101
0011 101
1011 101
0111 101
1111 101
K 2 1 In p u t
K m In p u t
DOUT
K 2 1 In p u t
K m In p u t
DOUT
K 2 1 In p u t
K m In p u t
DOUT
K 2 1 In p u t
K m In p u t
DOUT
K 21
Km
36m s< t<126m s
36m s
36m s
1 0 8 m s ( m in .)
K 2 1 c o d e tr a n s m is s io n
(a )
K 21
0< t<36m s
0< t<36m s
Km
N o tr a n s m is s io n
(b )
K 21
Km
N o tr a n s m is s io n
(c )
K 21
Km
36m s< t<126m s
36m s
36m s
1 0 8 m s ( m in .)
K m c o d e tr a n s m is s io n
(d )
Invalid double-key input
Data Code
D7
0/1
0/1
0/1
0/1
0/1
0/1
0/1
9
March 2, 2000
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