Tel:886-2-66296288

Fax:886-2-29174598

URL:http://www.princeton.com.tw

PT6523 V1.8

- 6 -

July, 2007

1/3 Duty General Purpose LCD Driver IC

PT6523

FUNCTION DESCRIPTION

SERIAL DATA TRANSFER

CONDITION 1: CLK IS TERMINATED AT THE “LOW” LEVEL

CONDITION 2: CLK IS TERMINATED AT THE “HIGH” LEVEL

Notes:

1. Address: 41H

2. D1 to D156 = Display Data

When D1 to D156 are set to “1”, Display is turned ON.

When D1 to D156 are set to “0”, Display is turned OFF.

3. DR = 1/2 Bias Drive or 1/3 Bias Drive Switching Control Data

4. SC = Segment ON/OFF Control Data

5. BU = Normal Mode/Power-Saving Control Data

6. x = Not Relevant

For example, there are 63 segments that are being used, the 63 bits of display data (D94 to D156)

must be sent. Please refer to the diagram below.

8 BITS

67 BITS

1

0

0

0

0

0

1

0

D94

D95

D96

D154

D155

D156

DR

SC

BU

X

←------------

ADDRESS

------------

→

Note: x = Not Relevant