ST92195D datasheet(113/249 Pages) STMICROELECTRONICS

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ST92195C/D - ON SCREEN DISPLAY (OSD)

Figure 67. Underline Example

7.4.4.10 Attribute Rules

The default colors for foreground and background

are defined through the register DCR R240 (F0h)

Page 33.

A display defined in parallel mode can accept a se-

rial color attribute, and propagation is available un-

til a new color attribute (serial or parallel) is en-

countered.

Rule for Shape Attributes:

– In parallel mode, shape attributes are not

propagated on the following characters of the

row except if this character has a colour at-

tribute. The propagation lasts as long as a co-

lour attribute is applied to a character.

– In parallel mode, the double height (bit 2 of the

shape attribute) is active only on its own char-

acter. Setting one double height attribute does

not cover the following characters of the row

(different from double height in serial mode).

Figure 68. Rule for Serial and Parallel Color

Combination

Double height

2 ROWS

UH=1

UH=0

Display

Attribute

location

Character

location

U L

UH=1

UH=0

Underline (US=1)

VR02115K

Underline (US=1)

Highest priority

defined in TDSRAM

defined in page register

Lowest priority

PARALLEL COLOR

SERIAL COLOR

DEFAULT COLOR

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