WM8199
Production Data
REGISTER
BIT
NO
BIT
NAME(S)
DEFAULT
DESCRIPTION
Offset DAC
(Red)
7:0
DAC[7:0]
00000000
Red channel offset DAC value.
Offset DAC
(Green)
7:0
7:0
7:0
DAC[7:0]
DAC[7:0]
DAC[7:0]
00000000
00000000
00000000
Green channel offset DAC value
Blue channel offset DAC value
Offset DAC
(Blue)
Offset DAC
(RGB)
A write to this register location causes the red, green and blue offset DAC
registers to be overwritten by the new value
PGA gain
(Red)
7:0
7:0
7:0
7:0
PGA[7:0]
PGA[7:0]
PGA[7:0]
PGA[7:0]
00000000
00000000
00000000
00000000
Determines the gain of the red channel PGA according to the equation:
Red channel PGA gain = 208/(283-PGA[7:0])
PGA gain
(Green)
Determines the gain of the green channel PGA according to the equation:
Green channel PGA gain = 208/(283-PGA[7:0])
PGA gain
(Blue)
Determines the gain of the blue channel PGA according to the equation:
Blue channel PGA gain = 208/(283-PGA[7:0])
PGA gain
(RGB)
A write to this register location causes the red, green and blue PGA gain
registers to be overwritten by the new value
Table 7 Register Control Bits
PD Rev 4.3 March 2007
29
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
