Sundance SMT941 - Manual (Page 38)

User Manual SMT941 Page 38 of 43 Last Edited: 23/08/2011 17:24:00
ADC Chcd Register 7 0x47
Setting Bit 6 Description Offset Correction Enable ChB.
0 ‘0’ Offset Correction Disabled.
1 ‘1’ Offset Correction Enabled.
Setting Bit 11:8 Description Offset Correction Time Constant (number of clock cycles) ChB
0 ‘0000’ 256k
1 ‘0001’ 512k
2 ‘0010’ 1Meg
3 ‘0011’ 2Meg
4 ‘0100’ 4Meg
5 ‘0101’ 8Meg
6 ‘0110’ 16Meg
7 ‘0111’ 32Meg
8 ‘1000’ 64Meg
9 ‘1001’ 128Meg
10 ‘1010’ 256Meg
11 ‘1011’ 512Meg
Setting Bit 15:12 Description Gain ChB (Common).
0 ‘0000’ 0dB gain
1 ‘0001’ 0.5dB gain
2 ‘0010’ 1.0dB gain
3 ‘0011’ 1.5dB gain
4 ‘0100’ 2.0dB gain
5 ‘0101’ 2.5dB gain
6 ‘0110’ 3.0dB gain
7 ‘0111’ 3.5dB gain
8 ‘1000’ 4.0dB gain
9 ‘1001’ 4.5dB gain
10 ‘1010’ 5.0dB gain
11 ‘1011’ 5.5dB gain
12 ‘1100’ 6.0dB gain
ADC Chcd Register 8 0x48.
ADC Chcd Register 8 0x48
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Reserved Fine Gain Adjustment ChB
Default ‘0’ ‘0000000’
1 Reserved Test Patterns ChB
Default ‘00000’ ‘000’
ADC Chcd Register 8 0x48
Setting Bit 6:0 Description Fine Gain ChB.