EKK6111 datasheet(11/26 Pages) EMC

Part #	EKK6111

Description	RF Keyboard Decoder

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Manufacturer	EMC [ELAN Microelectronics Corp]

Direct Link	http://www.emc.com.tw

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eKK6111

RF Keyboard Decoder

Product Specification (V1.0) 11.15.2002

• 5

(This specification is subject to change without further notice)

6.6.5 Read ID (Hex F2)

Responds with ACK.

Discontinues scanning.

Sends two ID Bytes. The second byte will be sent within 500 µS after first byte.

Resumes scanning.

6.6.6 Set Typematic Rate/Delay (Hex F3)

Responds ACK.

Receives rate/delay value byte.

Responds ACK.

Set rate/delay (* Note1)

Returns to previous scanning state.

NOTE

1 Repeat period = (8+A) x (2B) x 0.00417 seconds

A binary value of bits 2, 1, and 0

B binary value of bits 4 and 3

2 Delay = (C+1) x 250 milliseconds

C binary value of bits 6 and 5. Bit 7 is always 0

bit 4 ~ bit 0

Typematic rate ± 20%

bit 4 ~ bit 0

Typematic rate ± 20%

00000

30.0

10000

7.5

00001

26.7

10001

6.7

00010

24.0

10010

6.0

00011

21.8

10011

5.5

00100

20.0

10100

5.0

00101

18.5

10101

4.6

00110

17.1

10110

4.3

00111

16.0

10111

4.0

01000

15.0

11000

3.7

01001

13.3

11001

3.3

01010

12.0

11010

3.0

01011

10.9

11011

2.7

01100

10.0

11100

2.5

01101

9.2

11101

2.3

01110

8.6

11110

2.1

01111

8.0

11111

2.0

3 default rate = 10.9 chars/sec ± 20%

Default delay = 500 mS ± 20%

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