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

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GL911Tx 1.1

4. Pin Information

4.1 GL911Tx-A Pin Definition

Table 4-1: Pin Definition of GL911TX-A 18 Pins SOC package

No.

Pin Name

I/O

Function description

Note

Power Supply

14

VDD

I

Power supply Pin. 2.2v < VDD < 5.5v

Recommend: 3.0V

5

GND

I

Ground Pin

3

GND1

I

NC

Connect to Ground Pin

2

Xlobat

I

Connect to GND or VCC

Reserved for future use

4

Xsetup/XR

st

I

System reset pin. 0 = Reset (Setup new ID),

1 = Normal operation

This pin is also function as Setup for new ID

pin

External pull up resistor required.

16

OSCI

I

Oscillator input pin

2M resonator

15

OSCO

O

Oscillator output pin

2M resonator

Roller Sensor Input

8

X1/Z1

I

X/Z axis photo sensor input 1

Threshold voltage around 0.8V

9

X2/Z2

I

X/Z axis photo sensor input 2

Threshold voltage around 0.8V

6

Y1/W1

I

Y/W axis photo sensor input 1

Threshold voltage around 0.8V

7

Y2/W2

I

Y/W axis photo sensor input 2

Threshold voltage around 0.8V

10

WZEN

O

W/Z axis IR LED Control : Active High

11

XYEN

O

X/Y axis IR LED Control : Active High

Button Input

17

ButnL/K4

I

Left Key Button 1 = Pressed, 0= Released

Need pull down resistor 30K Ohm.

18

ButnR/K5

I

Right Key Button 1 = Pressed, 0= Released

Need pull down resistor 30K Ohm.

1

ButnM

I

Middle Key Button 1 = Pressed, 0= Released Need pull down resistor 30K Ohm.

Control Output

13

TXDATA

O

RF data serial out

12

TXEN

O

RF enable. 0 = disable, 1 = Enable

When TXEN = 1 the RF transmitter is

enabled. The transmitter signal must be

stable within 1ms