Main Lcd; Irda - Panasonic EB-X400 Service Manual

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5.2.5. Main LCD

A 128 x 128 pixel graphical display is used to give maximum information.

It can display Chinese and large character sets.

The HD66782 display driver is used. This driver has Display RAM.

LCD glass size is as follows.

128 x 128 pixels

The display driver is controlled by setting command register and display data registers.

To send data or command to display driver, nCS; provided from companion IC; is used for chip select.

These registers are assigned as follows.

Command register: $01C0:0000

Data register: $01C1:0000

These registers are write access only.

The IrDA module is mounted on the upper unit PCB. EB-X400 supports IrDA file transfer and object exchange, but does not

support IrDA dial-up.

In a special asynchronous mode of U2001 (E-Gold+ V3), the ASC supports IrDA data transmissions up to 115.2 KBaud with

fixed or programmable IrDA pulse width. An autobaud detection unit detects asynchronous data frames with its baudrate and

mode, with automatic initialization of the baudrate generator and the mode control bits.

View area

Effective area

26.099 mm

30.4 mm

Figure 5.8. LCD Glass Size

0.204 mm

0.013 mm

0.204 mm

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