GL901RX データシートの表示（PDF） - Genesys Logic

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GL901RX

Wireless Mouse USB+PS2 Receiver Controller

Genesys Logic 

3.3 Resonator

GL901Rx 1.1

6Mhz crystal or resonator is required for GL901Rx.

3.4 Setup Button

Co-channel interference will happens if two or more closer device working on the same frequency

and same ID. Genesyslogic’s proprietary wireless link protocol provides 8bits Identification code (RID)

to distinguish the wanted and unwanted Transmitter set. When receiver is in “Setup phase” and receives

valid “Broadcast packet” then it will store the RID into EEPROM. GL901Rx will only accept the

unique RID packet and ignore other packet after “setup phase”.

There are two methods for receiver to enter “Setup phase”.

(a) Button setup mode: When “Setup pin” (Pin 18 Active High) is changed from low to high the

GL901Rx will enter the “Setup mode” for 30 seconds.

(b) Wireless setup mode: If the RF receiver provides carrier detector output, this function will be

available. The XCD Pin(2) must be tied with RF receiver’s Carrier Detector (active Low),

GL901Rx will enter “setup phase” when and receive a legal “Broadcast packet” and active CD

signal (Low). GL911Rx wi ll also store the RID into EEPROM and memory immediately.

Note: This function is available when the transmitter sends “Broadcast Packet” with enough field

strength. The RF Carrier Detector sensitivity must be tuned by experiment.

3.5 I2C EEPROM Interface

GL901RX supports I2C EEPROM for 24C00, 24C01 and 24C02. GL901Rx can read or write the

EEPROM. There are only 8 bytes EEPROM data available for setting. The contents can be

programmed by PS2 interface directly or programmed before manufacture. After power on reset

GL901Rx will to read the EEPROM for system setting.

Table 3-3: EEPROM Data Definition

Addres Description

Bits Contents

RF Setup

s

0

Check Field

0xBBH

-

1

Random ID

RID7- RID0

O

2

Axis & Button

D3 D2 D1 D0 B3 B2 B1 B0

-

3

Misc table

-

4

User VIDH

VIDH7-VIDH0

-

5

User VIDL

VIDL7-VIDL0

-

©2000-2001 Genesys Logic Inc.—All rights reserved

-5

ISP (PS2)

O

O

O

O

O

O

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