TDA8754HL11BE-T NXP Semiconductors, TDA8754HL11BE-T Datasheet - Page 24
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TDA8754HL11BE-T
Manufacturer Part Number
TDA8754HL11BE-T
Description
Video ICs 3X8 BIT VIDEO A/D-110 MSPS
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8754HL11C155.pdf
(57 pages)
Specifications of TDA8754HL11BE-T
Package / Case
SOT-486
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
TDA8754HL/11/C1,51
Philips Semiconductors
9397 750 14984
Product data sheet
9.3 Offset registers (R, G and B)
The offset registers contain a 9-bit value which controls the clamp level for the RGB
channels. The 8 LSBs are in the offset registers and the 1 MSB is in the coarse gain
control register. The relationship between the programming code and the level of the
clamp code is given in
Table 17:
Table 18:
Table 19:
Register
OFFSETR (00h)
OFFSETG (03h)
OFFSETB (06h)
Reset
Bit
OFFSETR (address: 00h)
7 to 0
OFFSETG (address: 03h)
7 to 0
OFFSETB (address: 06h)
7 to 0
Value
1E9h
1EAh
:
1FFh
000h
001h
:
03Fh
040h
:
078h
079h
:
080h
OR8 OR7 OR6 OR5 OR5 OR3 OR2 OR1 OR0 Clamp
OG8 OG7 OG6 OG5 OG4 OG3 OG2 OG1 OG0
OB8 OB7 OB6 OB5 OB4 OB3 OB2 OB1 OB0
1
1
1
0
0
0
0
0
0
0
Symbol
OR[7:0]
OG[7:0]
OB[7:0]
Offset registers (00h, 03h, 06h) bit allocation
Offset registers (00h, 03h, 06h) bit description
Coding for clamp level and ADC output
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
1
1
1
0
OR7
OG7
OB7
Table
Rev. 06 — 16 June 2005
7
0
Description
offset R channel; LSB in this register and MSB bit OR8 in register
COARSER
offset G channel; LSB in this register and MSB bit OG8 in register
COARSEG
offset B channel; LSB in this register and MSB bit OB8 in register
COARSEB
1
1
1
0
0
1
0
1
1
0
19. The reset value is: clamp code = 0 and ADC output = 0.
OR6
OG6
OB6
6
0
0
0
1
0
0
1
0
1
1
0
1
1
1
0
0
1
0
1
1
0
OG5
OR5
OB5
5
0
0
0
1
0
0
1
0
0
0
0
OR4
OG4
OB4
Triple 8-bit video ADC up to 270 Msps
4
0
0
0
1
0
0
1
0
0
0
0
0
1
1
0
1
1
0
0
1
0
OG3
OR3
OB3
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
3
0
code
(decimal)
:
0
+1
:
63
64
:
120
121
:
128
24
23
1
OR2
OG2
OB2
2
0
TDA8754
ADC output
(code transition)
:
0/1
1/2
:
63/64
64/65
:
120/121
121/122
:
128/129
24/ 23
23/ 22
1/0
OG1
OR1
OB1
1
0
OG0
24 of 57
OR0
OB0
0
0