HT6221 datasheet(8/15 Pages) HOLTEK

Part #	HT6221

Description	Multi-Purpose Encoders

PDF	15 Pages

Scroll/Zoom	100%

Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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8 / 15 page

HT6221/HT6222

Rev. 1.50

October 1, 2007

K 2 1 I n p u t

K m I n p u t

( a )

K 2 1 I n p u t

K m I n p u t

K 2 1

( b )

( c )

( d )

K 2 1 I n p u t

K m I n p u t

K m

3 6 m s < t < 1 2 6 m s

3 6 m s

K 2 1 I n p u t

K m I n p u t

K m

D O U T

N o t r a n s m i s s i o n

D O U T

1 0 8 m s ( m i n . )

K m c o d e t r a n s m i s s i o n

K 2 1

N o t r a n s m i s s i o n

K 2 1 c o d e t r a n s m i s s i o n

K 2 1

3 6 m s < t < 1 2 6 m s

3 6 m s

1 0 8 m s ( m i n . )

K m

0 < t < 3 6 m s

K m

K 2 1

0 < t < 3 6 m s

Invalid double-key input

K n

3 6 m s

D O U T

( a )

K n I n p u t

K n

3 6 m s

D O U T

( b )

t < 1 0 8 m s

1 0 8 m s

t > 1 0 8 m s

K n c o d e t r a n s m i s s i o n

K n I n p u t

Note: Kn can be one of K1~K64

Valid single-key input

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