Sundance SMT941 - Manual (Page 33)

User Manual SMT941 Page 33 of 43 Last Edited: 23/08/2011 17:24:00
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Reserved Offset Pedestal ChB (Common)
Default ‘00’
1 Reserved
Default ‘00000000’
ADC Chab Register 9 0x39
Setting Bit 5:0 Description Offset Pedestal ChA (Common)
0 ‘011111’ Pedestal=+31LSBs
1 ‘011110’ Pedestal=+30LSBs
2 … …
3 ‘000000’ Pedestal=0
4 … …
5 ‘111111’ Pedestal=-1LSB
6 ‘111110’ Pedestal=-2LSB
7 … …
8 ‘100000’ -32LSBs
ADC Chcd Register 0 0x40.
ADC Chcd Register 0 0x40
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Reserved Enable Low
Speed
Mode
Reserved
Default ‘00000’ ‘0’ ‘00’
0 Software
Reset
Reserved SerialRead
Out
Default ‘0’ ‘000000’ ‘0’
ADC Chcd Register 0 0x40
Setting Bit 0 Description SerialReadOut
0 ‘0’ Serial readout disabled.
1 ‘1’ Serial readout enabled.
Setting Bit 7 Description - Software Reset
0 ‘0’ Normal mode of operation.
1 ‘1’ Resets all internal registers and self-clears to ‘0’.
Setting Bit 10 Description - Enable Low Speed Mode
0 ‘0’ Low Speed Mode disabled. Sampling rates >100MSPS.
0 ‘1’ Low Speed Mode enabled. Sampling rates <=100 MSPS.
ADC Chcd Register 1 0x41.