VII LCD CONTROLLER BLOCK: LCD CONTROLLER

Setting the LCD Panel

Types of Panels

The LCD controller supports the following types of single-LCD panels.

•4- or 8-bit monochrome passive LCD panel

•4- or 8-bit color passive LCD panel

Dual panels are not supported.

The type of LCD panel used must be set in the LCD controller in advance, using the control bits described below.

Selecting between color and monochrome

Use LDCOLOR (D5)/LCDC mode register 0 (0x39FFE1) to select the type of LCD panel, either color or monochrome.

LDCOLOR = "1": Color panel selected

LDCOLOR = "0": Monochrome panel selected (default)

Selecting the data width

Use LDDW[1:0] (D[1:0])/LCDC mode register 0 (0x39FFE1) to select the data width and format.

Table 2.4 Selection of the LCD Panel

LDCOLOR

LDDW1

LDDW0

LCD panel

0

0

0

Mono Single 4-bit passive LCD

 

 

1

Mono Single 8-bit passive LCD

 

1

0

Reserved

 

 

1

Reserved

1

0

0

Color Single 4-bit passive LCD

 

 

1

Color Single 8-bit passive LCD format 1

 

1

0

Reserved

 

 

1

Color Single 8-bit passive LCD format 2

Resolution

Set the resolution of the LCD panel in accordance with the procedure specified below.

Horizontal resolution

Set the value shown below in the LDHSIZE[5:0] (D[5:0])/horizontal panel size register (0x39FFE4).

Horizontal resolution (number of pixels) LDHSIZE[5:0] = —————————————————— - 1

16

For example, if the LCD panel has a horizontal resolution of 320 dots, set 19 (= 0x13) in LDHSIZE.

Note: Do not set a value less than 1 in LDHSIZE.

Vertical resolution

Set the value shown below in LDVSIZE[9:0] (D[9:0])/vertical panel size register (0x39FFE6, 0x39FFE5).

LDVSIZE[9:0] = Vertical resolution (number of lines) - 1

For example, if the LCD panel has a vertical resolution of 240 lines, set 239 (= 0xEF) in LDVSIZE.

B-VII-2-8

EPSON

S1C33L03 FUNCTION PART