SAA7127 PHILIPS [NXP Semiconductors], SAA7127 Datasheet - Page 23

• Manufacturer Part Number: SAA7127
• Description: Digital video encoder
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Table 45 Subaddresses 7EH and 7FH
In subaddresses 5BH, 5CH, 5DH, 5EH and 62H all IRE values are rounded up.
Slave transmitter
Table 46 Slave transmitter (slave address 89H)
Table 47 Subaddress 00H
1999 May 31
LINE
Status byte
VER
CCRDO
CCRDE
FSEQ
O_E
DATA BYTE
DATA BYTE
REGISTER
FUNCTION
Digital video encoder
individual lines in both fields (PAL counting) can be disabled for insertion of teletext by the respective
bits, disabled line = LINExx (50 Hz field rate)
SUBADDRESS
LOGIC
LEVEL
this bit mask is effective only, if the lines are enabled by TTXOVS/TTXOVE and TTXEVS/TTXEVE
1
0
1
0
1
0
1
0
00H
version identification of the device: it will be changed with all versions of the IC that have
different programming models; current version is 000 binary
closed caption bytes of the odd field have been encoded
the bit is reset after information has been written to the subaddresses 67H and 68H; it is
set immediately after the data has been encoded
closed caption bytes of the even field have been encoded
the bit is reset after information has been written to the subaddresses 69H and 6AH; it is
set immediately after the data has been encoded
during first field of a sequence (repetition rate: NTSC = 4 fields, PAL = 8 fields)
not first field of a sequence
during even field
during odd field
VER2
D7
VER1
D6
23
VER0
DESCRIPTION
D5
DESCRIPTION
CCRDO CCRDE
DATA BYTE
D4
SAA7126H; SAA7127H
D3
D2
0
Product specification
FSEQ
D1
O_E
D0