ADE3800SXT View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ADE3800SXT

Analog LCD Display Engine for XGA and SXGA Resolutions with Embedded LVDS and RSDS Transmitters

STMicroelectronics 

Register Description by Block

ADE3800

Colour

White

Table 24: Borders Colors

Red

Green

Blue

1

1

1

Value

7

The borders override the graphic pattern. In addition, the left and right edges override the top and

bottom ones: for example, when both left and top side borders are enabled, the upper left corner

has the color of the left side border.

Example:

PGEN_ENAB = 01 enables PGEN

PGEN_X_TOT_L = 00, PGEN_X_TOT_H = 05 considering that the panel is 1280 pixels wide

PGEN_Y_TOT_L = 00, PGEN_Y_TOT_H = 04 considering that the panel is 1024 pixels high

PGEN_B_TOP_BOT = EE adds a yellow horizontal borderline to top and bottom of display area

PGEN_B_LFT_RHT = 9A adds a blue vertical borderline to the left and a green one to the right

4.11.5 TCON Window Control

Normally, the whole PGEN block is enabled if its global enable bit PGEN_ENAB[0] is set.

If it is not set but the bit PGEN_ENAB[1] is set instead, the programmed pattern will show only

inside a rectangular window defined by the associated TCON signal TCON_X_PGEN. Outside this

window, the input video stream will be displayed as generated by the scaler.

Note: If the global enable bit PGEN_ENAB[0] is set, it has priority over PGEN_ENAB[1].

TCON window

PGEN pattern

displayed here

input

video

signal

displayed

everywhere

else

Table 25: Pattern Generator Registers (Sheet 1 of 3)

Register Name

Addr Mode Bits Rst

Description

PGEN_ENAB

PGEN_X_TOT_L

PGEN_X_TOT_U

0600 R/W

R/W

0601 R/W

0602 R/W

[1]

00

[0]

[7:0] 00

[3:0] 00

Window control via TCON signal

0*: disable, use global enable bit 0 below

1: enable PGEN by TCON_X_PGEN

Global PGEN enable bit

0*: disable

1: enable

(this bit overrides bit 1 above)

screen total horizontal size in pixels

64/138

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