TDA9554PS datasheet(59/125 Pages) PHILIPS

59 / 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

Table 28 MMR Descriptions

VDSPOL

VDS Polarity

0 - RGB (1), Video (0)

1 - RGB (0), Video (1)

BRI<3:0>

RGB Brightness control

Status read

BUSY

FIELD

SCON

FLR

SCR<3>

SCR<2>

SCR<1>

SCR<0>

00H

BUSY

0 - Access to display memory will not cause display problems

1 - Access to display memory could cause display problems.

FIELD

0 - Odd Field

1 - Even Field

FLR

0 - Active ﬂash region foreground and background displayed

1 - Active ﬂash region background only displayed

SCR<3:0>

First scroll row

Status write

SCON

FLR

SCR<3>

SCR<2>

SCR<1>

SCR<0>

00H

SCON

0 - Scroll area disabled

1 - Scroll area enabled

FLR

0 - Active ﬂash region foreground and background colour displayed

1 - Active ﬂash region background colour only displayed

SCR<3:0>

First Scroll Row

H-Sync. delay

HSD<6>

HSD<5>

HSD<4>

HSD<3>

HSD<1>

HSD<0>

00H

HSD<6:0>

H-Sync delay, in full size characters

V-Sync Delay

VSD<6>

VSD<5>

VSD<4>

VSD<3>

VSD<2>

VSD<1>

VSD<0>

00H

VSD<6:0>

V-Sync delay in number of TV lines

Top Scroll Line

----

SCL<3>

SCL<2>

SCL<1>

SCL<0>

00H

SCL<3:0>

Top line for scroll

Conﬁguration

VDEL<2>

VDEL<1>

VDEL<0>

TXT/V

00H

0 - OSD mode

1 - Closed Caption mode

VDEL<2:0>

Pixel delay between VDS and RGB output

000 - VDS switched to video, not active

001 - VDS active one pixel earlier then RGB

010 - VDS synchronous to RGB

100 - VDS active one pixel after RGB

TXT/V

BUSY Signal switch

1 - Horizontal

0 - Vertical

TDA9554PS Datasheet(PDF) 59 Page - NXP Semiconductors

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