HT6221 View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

MFG CO.

HT6221

Multi-Purpose Encoders

Holtek Semiconductor 

1 2 3 4 5 6 7 8 9 10 Next

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

K n In p u t

36m s

DOUT

Kn

t>108m s

K n c o d e tr a n s m is s io n

(a )

K n In p u t

36m s

DOUT

Kn

t<108m s

108m s

K n c o d e tr a n s m is s io n

(b )

Note: Kn can be one of K1~K64

Valid single-key input

HT6221/HT6222

Rev. 1.50

8

October 1, 2007

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