saa7120 NXP Semiconductors, saa7120 Datasheet - Page 17

• Manufacturer Part Number: saa7120
• Description: Digital Video Encoder Condenc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 19 Subaddress 61
Table 20 Subaddress 62H
Table 21 Subaddress 62H
1997 Jan 06
FISE
PAL
SCBW
YGS
INPI
DOWN
RTCE
BSTA
DATA BYTE
DATA BYTE
DATA BYTE
Digital Video Encoder (ConDENC)
amplitude of colour burst; input
representation in accordance
with “CCIR 601”
LOGIC
LEVEL
LOGIC
LEVEL
0
1
0
1
0
1
0
1
0
1
0
1
0
1
DESCRIPTION
864 total pixel clocks per line; default after reset
858 total pixel clocks per line
NTSC encoding (non-alternating V component)
PAL encoding (alternating V component); default after reset
enlarged bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 3 and 4)
standard bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 3 and 4); default after reset
luminance gain for white
luminance gain for white
PAL switch phase is nominal; default after reset
PAL switch phase is inverted compared to nominal
DACs for CVBS, Y and C in normal operational mode; default after reset
DACs for CVBS, Y and C forced to lowest output voltage
no real time control of generated subcarrier frequency
real time control of generated subcarrier frequency through SAA7151B or SAA7111
(timing see Fig.10)
white-to-black = 92.5 IRE;
burst = 40 IRE; NTSC encoding
white-to-black = 92.5 IRE;
burst = 40 IRE; PAL encoding
white-to-black = 100 IRE;
burst = 43 IRE; NTSC encoding
white-to-black = 100 IRE;
burst = 43 IRE; PAL encoding
BSTA = 0 to 2.02
BSTA = 0 to 2.82
BSTA = 0 to 1.90
BSTA = 0 to 3.02
black 100 IRE; default after reset
black 92.5 IRE including 7.5 IRE set-up of black
17
CONDITIONS
DESCRIPTION
DESCRIPTION
nominal
nominal
nominal
nominal
recommended value:
BSTA = 63 (3FH)
recommended value:
BSTA = 45 (2DH)
recommended value:
BSTA = 67 (43H)
recommended value:
BSTA = 47 (2FH)
SAA7120; SAA7121
Preliminary specification
REMARKS