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Functional Description
50
SLES140A—March 2007TVP5147M1PFP
2.11.40 AFE Coarse Gain for CH 1 Register
Subaddress 46h
Default 20h
7 6 5 4 3 2 1 0
CGAIN 1 [3:0] Reserved
CGAIN 1 [3:0]: Coarse_Gain = 0.5 + (CGAIN 1)/10, where 0 ≤ CGAIN 1 ≤ 15
This register works only in 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
2.11.41 AFE Coarse Gain for CH 2 Register
Subaddress 47h
Default 20h
7 6 5 4 3 2 1 0
CGAIN 2 [3:0] Reserved
CGAIN 2 [3:0]: Coarse_Gain = 0.5 + (CGAIN 2)/10, where 0 ≤ CGAIN 2 ≤ 15
This register works only in 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