STW8019 datasheet(27/66 Pages) STMICROELECTRONICS

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Control registers

STw8009/STw8019

26/65

freerun:

(*) 0 = disabled

1 = enabled

Note:

This bit is taken into account in ODDEV-only or VSYNC-only based slave modes and is

irrelevant for other synchronization modes.

blkli: Vertical Blanking Interval selection for active video lines area

(*) 0 = (‘partial blanking’) Only the following lines inside Vertical Interval are blanked

1 = “full blanking” All lines inside VBI are blanked

flt[1:0]: U/V Chroma filter bandwidth selection

sync_ok: availability of sync signals (analog and digital) in case of input synchronization

loss with no free-run active (i.e. freerun=0)

(*) 0 = no synchro output signals

1 = output synchro signals available on YS, CVBS and, when applicable, HSYNC (if

output port), ODDEV (if output port): i.e same behavior as free-run except that video

outputs are blanked in the active portion of the line.

coki: color killer

(*) 0 = color ON

1 = color suppressed on CVBS output signal (CVBS=YS) but color still present on C

output. For color suppression on chroma DAC ‘C’, see register 5 bit bkdac1.

configuration1

Address: 0x0001

Type: R/W

content

blkli

flt1

flt0

sync_ok

coki

setup_

main

default

0001

[0]

NTSC-M:

lines [1; 9], [263(half); 272] (525-SMPTE)

PAL-M:

lines [523; 6], [260(half); 269] (525-CCIR)

Other PAL:

lines [623(half); 5], [311; 318] (625-CCIR)

NTSC-M:

lines [1; 19], [263(half); 282] (525-SMPTE)

PAL-M:

lines [523; 16], [260(half); 279] (525-CCIR)

Other PAL:

lines [623(half); 22], [311; 335] (625-CCIR)

Table 6.

flt1

flt0

3dB bandwidth

Typical application

f-3dB=1.1MHz

low def NTSC filter

f-3dB=1.3MHz

low def PAL filter

(*)

f-3dB=1.6MHz

high def. NTSC filter (ATSC compliant) & PAL

M/N (ITU-R 624.4 compliant)

f-3dB=1.9MHz

high def. PAL filter: Rec 624 - 4 for PAL BDG/I

compliant.

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