SAA7104E Datasheet, PDF (36/70 Pages) NXP Semiconductors – Digital video encoder

Philips Semiconductors
Digital video encoder
Product specification
SAA7104E; SAA7105E
Table 47 Subaddress 61H
DATA BYTE
DOWND
DOWNA
INPI
YGS
SCBW
PAL
FISE
LOGIC
LEVEL
DESCRIPTION
0 digital core in normal operational mode; default after reset
1 digital core in sleep mode and is reactivated with an I²C-bus address
0 DACs in normal operational mode; default after reset
1 DACs in power-down mode
0 PAL switch phase is nominal; default after reset
1 PAL switch is inverted compared to nominal if RTCE = 1
0 luminance gain for white − black 100 IRE
1 luminance gain for white − black 92.5 IRE including 7.5 IRE set-up of black
0 enlarged bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 4 and 5)
1 standard bandwidth for chrominance encoding (for overall transfer characteristic of
chrominance in baseband representation see Figs 4 and 5); default after reset
0 NTSC encoding (non-alternating V component)
1 PAL encoding (alternating V component)
0 864 total pixel clocks per line
1 858 total pixel clocks per line
Table 48 Subaddress 62H
DATA BYTE
RTCE
BSTA
LOGIC
LEVEL
DESCRIPTION
CONDITIONS
REMARKS
0 no real-time control of generated subcarrier frequency; default after reset
1 real-time control of generated subcarrier frequency through a Philips video decoder; for a
specification of the RTC protocol see document “RTC Functional Description”, available on
request
− amplitude of colour burst; input
white-to-black = 92.5 IRE;
recommended value:
representation in accordance with burst = 40 IRE; NTSC encoding BSTA = 63 (3FH)
“ITU-R BT.601”
BSTA = 0 to 2.02 × nominal
white-to-black = 92.5 IRE;
recommended value:
burst = 40 IRE; PAL encoding BSTA = 45 (2DH)
BSTA = 0 to 2.82 × nominal
white-to-black = 100 IRE;
recommended value:
burst = 43 IRE; NTSC encoding BSTA = 67 (43H)
BSTA = 0 to 1.90 × nominal
white-to-black = 100 IRE;
burst = 43 IRE; PAL encoding
BSTA = 0 to 3.02 × nominal
recommended value:
BSTA = 47 (2FH);
default after reset
2004 Mar 04
36