The transmitted information is as shown:

Pilot

&

Sync.

A0

0

A1

Z

A2

0

A3

1

A4

Z

A5

Z

A6

1

A7

Z

A8

0

A9

0

AD10

Z

AD11

Z

¾

AD12

Z

AD13

Z

AD14

Z

AD15

1

AD16

Z

AD17

Z

Z: floating

Address/Data sequence

The following provides a table of address/data sequence for various models of the 3

correct device should be selected according to the individual address and data requirementss.

Part No.

Address/Data Bits

0~3

4

5

6~9

10

11

12

13

14

15

16

17

HT600

A0~A3 A4

¾ A6~A9

¾

AD11 AD12 AD13 AD14 AD15

¾¾

HT640

A0~A3 A4

A5 A6~A9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17

HT680

A0~A3 ¾¾ A6~A9

¾

AD11 AD12

¾

AD14 AD15

¾¾

HT6187 A0~A3 ¾¾ A6~A9

¾

A11

D12

D14

D15

HT6207 A0~A3 A4

¾ A6~A9

¾

A11

D12

D13

D14

D15

HT6247 A0~A3 A4

A5 A6~A9 AD10 A11

D12

D13

D14

D15

D16

D17

Notes: ²¾² is a dummy code which is left ²open² and not bonded out.

²² is a dummy code which is set low and not bonded out.

Transmission enable

For the TE trigger type of encoders, transmission is enabled by applying a high signal to the TE pin.

But for the Data trigger type of encoders, it is enabled by applying a high signal to one of the data

pins D12~D17.

7

July 8, 1999