EKM6251 データシートの表示（PDF） - Elan Microelectronics Corp

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EKM6251

U+PRFMouse Rx Controller

Elan Microelectronics Corp 

Preliminary

PIN ASSIGNMENT

eKM6251

U+P RF Mouse Rx Controller

U1

1

2

RFC1

RFD

16

15

3 RFC2 Connect 14

4

5

6

7

RxLED

RFM

VSS

NC

IDR

NC

D+/DATA

D-/CLK

13

12

11

10

8

V3.3

OSCI

VDD

OSCO

9

eKM6251

PIN DESCRIPTOR

Pin No. Symbol I/O

Function

1 RFC1

O RF module control pin 1 (channel control)

2 RFC2

O RF module control pin 2 (power down control)

3 RxLED

O Direct sink LED to display RF packet receive.

4 RFM

O RF monitor pin, to check RF packet receive situation.

5 VSS

- Ground

6 NC

- NC

7 V3.3

O V3.3 DC voltage output from internal regulator

8 OSCI

I 6.00Mhz ceramic resonator crystal input

9 OSCO

I/O Output terminal for crystal oscillator

10 VDD

- 5.0V Power supply

11 D-/CLK

I/O USB: D- line

PS/2: CLK line (It’s need external USB to PS/2 transfer)

12 D+/DATA I/O USB: D+ line

PS/2: CLK line (It’s need external USB to PS/2 transfer)

13 NC

- NC

14 IDR

I ID Reset button, its set device ID to default ID (internal pull high

resistor)

15 CONNECT I Connect button, it’s will receive new device ID duration 10

seconds. (internal pull high resistor)

16 RFD

I RF data input

* This specification are subject to be changed without notice.

2

2002/11/15

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