HT6221 datasheet(9/13 Pages) HOLTEK

Numer części	HT6221

Szczegółowy opis	Multi-Purpose Encoders

PDF	13 Pages

Scroll/Zoom	100%

Producent	HOLTEK [Holtek Semiconductor Inc]

Strona internetowa	http://www.holtek.com

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9 / 13 page

HT6221/HT6222

March 2, 2000

K 21 I npu t

K m I n put

(a )

K 21 I npu t

K m I n put

K2 1

(b )

(c )

(d )

K 21 I npu t

K m I n put

36m s < t < 126m s

36m s

K 21 I npu t

K m I n put

DO UT

N o t r ans m i s s i on

DO UT

108m s ( m i n . )

K m c od e t r ans m i s s i on

K2 1

N o t r ans m i s s i on

K 21 c ode t r ans m i s s i on

K2 1

36m s < t < 126m s

36m s

108m s ( m i n . )

0< t < 3 6 m s

K2 1

0< t < 3 6 m s

Invalid double-key input

KEY

Data Codes

D0~D6

Data Code

KEY

Data Codes

D0~D6

Data Code

K26

1001 100

0/1

K58

1001 101

0/1

K27

0101 100

0/1

K59

0101 101

0/1

K28

1101 100

0/1

K60

1101 101

0/1

K29

0011 100

0/1

K61

0011 101

0/1

K30

1011 100

0/1

K62

1011 101

0/1

K31

0111 100

0/1

K63

0111 101

0/1

K32

1111 100

0/1

K64

1111 101

0/1

Note: D7 is defined by an external switch

D7=0 : connect to VDD

D7=1 : connect to VSS

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