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Functional Description
51
SLES140A—March 2007 TVP5147M1PFP
2.11.42 AFE Coarse Gain for CH 3 Register
Subaddress 48h
Default 20h
7 6 5 4 3 2 1 0
CGAIN 3 [3:0] Reserved
CGAIN 3 [3:0]: Coarse_Gain = 0.5 + (CGAIN 3)/10, where 0 ≤ CGAIN 3 ≤ 15
This register works only in the manual gain control mode. When AGC is active, writing to any value is ignored.
1111 = 2
1110 = 1.9
1101 = 1.8
1100 = 1.7
1011 = 1.6
1010 = 1.5
1001 = 1.4
1000 = 1.3
0111 = 1.2
0110 = 1.1
0101 = 1
0100 = 0.9
0011 = 0.8
0010 = 0.7 (default)
0001 = 0.6
0000 = 0.5
2.11.43 AFE Coarse Gain for CH 4 Register
Subaddress 49h
Default 20h
7 6 5 4 3 2 1 0
CGAIN 4 [3:0] Reserved
CGAIN 4 [3:0]: Coarse_Gain = 0.5 + (CGAIN 4)/10, where 0 ≤ CGAIN 4 ≤ 15
This register works only in the manual gain control mode. When AGC is active, writing to any value is ignored.
1111 = 2
1110 = 1.9
1101 = 1.8
1100 = 1.7
1011 = 1.6
1010 = 1.5
1001 = 1.4
1000 = 1.3
0111 = 1.2
0110 = 1.1
0101 = 1
0100 = 0.9
0011 = 0.8
0010 = 0.7 (default)
0001 = 0.6
0000 = 0.5