SAA7128AH/V1,518 NXP Semiconductors, SAA7128AH/V1,518 Datasheet - Page 27
SAA7128AH/V1,518
Manufacturer Part Number
SAA7128AH/V1,518
Description
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7128AHV1518.pdf
(55 pages)
Specifications of SAA7128AH/V1,518
Lead Free Status / RoHS Status
Compliant
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Philips Semiconductors
Table 44 BSTA values
Note
1. All IRE values are rounded up.
Table 45 Subaddresses 63H to 66H
Note
1. Examples:
Table 46 Subaddress 67H
2003 Dec 09
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
fixed burst amplitude with SECAM encoding
Digital video encoder
ADDRESS
BSTA = 0 to 2.02
BSTA = 0 to 2.82
BSTA = 0 to 1.90
BSTA = 0 to 3.02
a) NTSC-M: f
b) PAL-B/G: f
c) SECAM: f
7 to 0
63H
64H
65H
66H
BIT
CONDITIONS
sc
sc
sc
L21O[07:00]
FSC[07:00]
FSC[15:08]
FSC[23:16]
FSC[31:24]
= 274.304, f
SYMBOL
= 227.5, f
= 283.7516, f
BYTE
(1)
nominal
nominal
nominal
nominal
llc
llc
= 1716
llc
= 1728
recommended value: BSTA = 63 (3FH)
recommended value: BSTA = 45 (2DH)
recommended value: BSTA = 67 (43H)
recommended value: BSTA = 47 (2FH); default value after reset
These 4 bytes are used to program the subcarrier frequency. FSC[31:24] is the most
significant byte, FSC[07:00] is the least significant byte.
First byte of captioning data, odd field.
LSB of the byte is encoded immediately after run-in and framing code, the MSB of
the byte has to carry the parity bit, in accordance with the definition of line 21
encoding format.
FSC
= 1728
f
f
sc
llc
= clock frequency (in multiples of line frequency)
= subcarrier frequency (in multiples of line frequency)
=
round
FSC = 569408543 (21F07C1FH).
FSC = 681786290 (28A33BB2H).
FSC = 705268427 (2A098ACBH).
------
f
f
sc
llc
2
32
27
;
note 1
DESCRIPTION
DESCRIPTION
ENCODING
SAA7128AH; SAA7129AH
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