saa7105e-v1-g NXP Semiconductors, saa7105e-v1-g Datasheet - Page 40
saa7105e-v1-g
Manufacturer Part Number
saa7105e-v1-g
Description
Digital Video Encoder
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7105E-V1-G.pdf
(78 pages)
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Philips Semiconductors
Table 37:
[1]
[2]
[3]
[4]
Table 38:
[1]
[2]
[3]
[4]
SAA7104E_SAA7105E_2
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
Output black level/IRE = BLCKL
Variable gain for C
Variable blanking level.
Output black level/IRE = BLNNL
Output black level/IRE = BLNNL
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]
2/6.29 + 28.9.
2/6.18 + 26.5.
2/6.29 + 25.4.
2/6.18 + 25.9; default after reset: 35h.
[1]
[1]
[2]
[2]
Rev. 02 — 23 December 2005
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)
[3]
[4]
[3]
[4]
[3]
[4]
[3]
[4]
SAA7104E; SAA7105E
[3]
[4]
[3]
[4]
Remarks
GAINU = 2.17
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
GAINU = 2.05
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
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
GAINV = 1.46
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. 2005. All rights reserved.
nominal to +1.55
nominal to +1.46
nominal to +2.16
nominal to +2.04
Digital video encoder
nominal
nominal
nominal
nominal
40 of 78
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