Sundance SMT702 - Manual (Page 41)

4.3.1.2.13 ADCB (ADC083000) Register 0x2 – Offset Adjust – 0x88
(write and read).
Offset 0x0400 - ADCB (ADC083000) Register 0x2 – Offset Adjust – 0x88 (write and read)
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Offset Value
Default “00000000”
0 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved
Default ‘1’ ‘1’ ‘1’ ‘1’ ‘1’ ‘1’ ‘1’ ‘1’
Offset 0x0400 - ADCB (ADC083000) Register 0x2 – Offset Adjust – 0x88 (write and read)
Setting Bit 8-15 Description (Offset Adjust)
0 0 8-bit value - 0.176mV per bit – 0x0 is 0mv and 0xFF is 45mV.
Setting Bit 7 Description (Offset sign)
0 0 Positive offset.
1 1 Negative offset.
4.3.1.2.14 ADCB (ADC083000) Register 0x3 – Full Scale Voltage
Adjust – 0x8C (write and read).
Offset 0x0400 - ADCB (ADC083000) Register 0x3 – Full Scale Voltage Adjust – 0x8C (write and
read)
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Adjust Value
Default “10000000”
0 Adjust
Value
Reserved Reserved Reserved Reserved Reserved Reserved Reserved
Default ‘0’ ‘1’ ‘1’ ‘1’ ‘1’ ‘1’ ‘1’ ‘1’
Offset 0x0400 - ADCB (ADC083000) Register 0x3 – Full Scale Voltage Adjust – 0x8C
(write and read)
Setting Bit 7-15 Description (Full Scale Voltage Adjust)
0 0 9-bit value – 20% adjustment around the nominal 700mVpp differential value – 0x0 is
560mVp-p and 0x1FF is 840mVp-p.