TDA9554PS datasheet(43/125 Pages) PHILIPS

43 / 125 page

2000 Jun 22

Philips Semiconductors

Tentative Device Speciﬁcation

TV signal processor-Teletext decoder with

embedded

µ-Controller

TDA955X/6X/8X PS/N1 series

• TXT:This is the display configured as the WST mode

with additional serial and global attributes to enable

the same functionality as the SAA5497 (ETT)

device.The display is configured as a fixed 25 rows

with 40 characters per row.

• CC:This is the display configured as the US Closed

Caption mode with the same functionality as the

PC83C771 device. The display is configured as a

maximum of 16 rows with a maximum of 48

characters per row.

In both of the above modes the Character matrix, and TV

lines per row can be defined. There is an option of 9, 10,

13 & 16 TV lines per display row, and a Character matrix

(HxV) of 12x9, 12x10, 12x13, or 12x16. Not all

combinations of TV lines per row and maximum display

rows give a sensible OSD display, since there is limited

number of TV scan lines available.

Special Function Register, TXT21 is used to control the

character matrix and lines per row.

Display Features available in each mode

The following is a list of features available in each mode.

Each setting can either be a serial or parallel attribute, and

some have a global effect on the display.

Feature

TXT

Flash

serial

Boxes

Txt/OSD (Serial)

serial

Horizontal Size

x1/x2/x4 (serial)

x1/x2 (serial)

Vertical Size

x1/x2 (serial)

x4 (global)

x1/x2 (serial)

Italic

N/A

serial

Foreground

colours

8 (serial)

8+8 (parallel)

Background

colours

8 (serial)

16 (serial)

Soft Colours

(CLUT)

16 from 4096

Underline

N/A

serial

Overline

N/A

serial

Fringe

N+S+E+W

Fringe Colour

16 (Global)

16 (Serial)

Meshing of

Background

Black or Colour

(Global)

All (Global)

Fast Blanking

Polarity

YES

Screen Colour

16 (Global)

DRCS

32 (Global)

Character Matrix

(HxV)

12x9/10/13/16

No. of Rows

No. of Columns

No of Characters

displayable

1000

768

Cursor

YES

Special Graphics

(2 planes per

character)

Scroll

YES

Table 12 Display Features

TDA9554PS Datasheet(PDF) 43 Page - NXP Semiconductors

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