saa7103h-v4 NXP Semiconductors, saa7103h-v4 Datasheet - Page 51
saa7103h-v4
Manufacturer Part Number
saa7103h-v4
Description
Digital Video Encoder
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7103H-V4.pdf
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Philips Semiconductors
Table 52:
[1]
[2]
[3]
[4]
Table 53:
[1]
[2]
[3]
[4]
SAA7102_SAA7103_4
Product data sheet
Subaddress Bit
5Bh
5Dh
Subaddress Bit
5Ch
5Eh
Variable gain for C
Variable black level; input representation in accordance with ‘ITU-R BT.601’.
Output black level/IRE = BLCKL × 2/6.29 + 28.9.
Output black level/IRE = BLCKL × 2/6.18 + 26.5.
Variable gain for C
Variable blanking level.
Output black level/IRE = BLNNL × 2/6.29 + 25.4.
Output black level/IRE = BLNNL × 2/6.18 + 25.9; default after reset: 35h.
Gain U and gain U MSB, black level registers, subaddresses 5Bh and 5Dh, bit description
Gain V and gain V MSB, blanking level registers, subaddresses 5Ch and 5Eh, bit description
7 to 0
7
6
5 to 0
7 to 0
7
6
5 to 0
B
R
signal; input representation in accordance with ‘ITU-R BT.601’.
signal; input representation in accordance with ‘ITU-R BT.601’.
Symbol
GAINU[8:0]
-
BLCKL[5:0]
Symbol
GAINV[8:0]
-
BLNNL[5:0]
[1]
[1]
[2]
[2]
Conditions
white-to-black = 92.5 IRE
GAINU = 0
GAINU = 118 (76h)
white-to-black = 100 IRE
GAINU = 0
GAINU = 125 (7Dh)
must be programmed with logic 0 to ensure compatibility to future
enhancements
white-to-sync = 140 IRE
BLCKL = 0
BLCKL = 63 (3Fh)
white-to-sync = 143 IRE
BLCKL = 0
BLCKL = 63 (3Fh)
Conditions
white-to-black = 92.5 IRE
GAINV = 0
GAINV = 165 (A5h)
white-to-black = 100 IRE
GAINV = 0
GAINV = 175 (AFh)
must be programmed with logic 0 to ensure compatibility to future
enhancements
white-to-sync = 140 IRE
BLNNL = 0
BLNNL = 63 (3Fh)
white-to-sync = 143 IRE
BLNNL = 0
BLNNL = 63 (3Fh)
Rev. 04 — 18 January 2006
[3]
[4]
[3]
[4]
[3]
[4]
[3]
[4]
[3]
[4]
[3]
[4]
SAA7102; SAA7103
Remarks
GAINU = −2.17 × nominal to +2.16 × nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
GAINU = −2.05 × nominal to +2.04 × nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
recommended value: BLCKL = 58 (3Ah)
output black level = 29 IRE
output black level = 49 IRE
recommended value: BLCKL = 51 (33h)
output black level = 27 IRE
output black level = 47 IRE
Remarks
GAINV = −1.55 × nominal to +1.55 × nominal
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
GAINV = −1.46 × nominal to +1.46 × nominal
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
recommended value: BLNNL = 46 (2Eh)
output blanking level = 25 IRE
output blanking level = 45 IRE
recommended value: BLNNL = 53 (35h)
output blanking level = 26 IRE
output blanking level = 46 IRE
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Digital video encoder
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