SAA7124WP PHILIPS [NXP Semiconductors], SAA7124WP Datasheet - Page 25

• Manufacturer Part Number: SAA7124WP
• Description: Digital Video Encoder ECO-DENC
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Table 25 Subaddress 6F
Table 26 Logic levels and function of CCEN
Table 27 Subaddress 70 to 72
Table 28 Subaddress 7A to 7C
S
In subaddresses 5B, 5C, 5D, 5E and 62 all IRE values are rounded up.
1996 Nov 07
CCEN
SCCLN
RCV2S
RCV2E
FAL
LAL
UBADDRESSES
DATA BYTE
DATA BYTE
DATA BYTE
Digital Video Encoder (ECO-DENC)
CCEN1
0
0
1
1
DATA BYTE
enables individual Line 21 encoding; see Table 26
selects the actual line, where closed caption or extended data are encoded
start of output signal on RCV2 pin
end of output signal on RCV2 pin
first active line = FAL + 4 for M-systems, = FAL + 1 for other systems, measured in lines
last active line = LAL + 3 for M-systems, = LAL for other system, measured in lines
line = (SCCLN + 4) for M-systems
line = (SCCLN + 1) for other systems
values above 1715 (FISE = 1) or 1727 (FISE = 0) are not allowed
first active pixel at analog outputs (corresponding input pixel coinciding with RCV2) at
RCV2S = tbfH (tbfH)
values above 1715 (FISE = 1) or 1727 (FISE = 0) are not allowed
last active pixel at analog outputs (corresponding input pixel coinciding with RCV2) at
RCV2E = tbfH (tbfH)
FAL = 0 coincides with the first field synchronization pulse
LAL = 0 coincides with the first field synchronization pulse
CCEN0
0
1
0
1
line 21 encoding off
enables encoding in field 1 (odd)
enables encoding in field 2 (even)
enables encoding in both fields
25
DESCRIPTION
DESCRIPTION
DESCRIPTION
FUNCTION
SAA7124; SAA7125
Preliminary specification