Sundance SMT390-VP - Manual (Page 44)

Version 2.4 Page 44 of 55 SMT390-VP User Manual
ADC Setup Control Register (0x07)
The ADC Setup Control Register sets the configuration settings of the ADC that is
configurable by the user.
ADC Setup Register
Byte Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8
Description Not Avail. Not Avail Not Avail Not Avail Not Avail Not Avail Out of
range
Channel B
Out of
range
Channel A
Default Not Avail. Not Avail. Not Avail. Not Avail. Not Avail. Not Avail. ‘0’ ‘0’
ADC Setup Register
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Description
Output Selection
Channel B
Output Selection
Channel A
Scale
Channel B
Data
Format
Channel B
Scale
Channel A
Data
Format
Channel A
Default ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’
Figure 28 – ADC Setup Control Register (0x07).
Data Format : ‘0’ for binary format and ‘1’ for 2’s complement format.
Scale : ‘0’ for half scale and ‘1’ for full scale.
Output Selection : ‘00’ for channel disable, ‘11’ for counter and ‘10’ for ADC.
Out of range:
The SMT390-VP offers the possibility of outputting a 16-bit counter instead of
samples coming from the ADCs. This can be used to check if data are lost on a data
path for example.
Decimation Register (0x08)
The decimation Register sets the decimation settings for both channels A and B.
Decimation Register
Byte Bits 31-16 Bits 15-8 Bits 7-0
Description Not Avail. Decimation
value
Channel B
Decimation
value
Channel A
Default Not Avail. 0 0
Figure 29 – Decimation Register (0x08).
Decimation value: value from 0, 3, 4, 5, 6… 15
SHB Control Register (0x09)
The SHB Control register is only available when SHB Half-word (16-bits)
configuration is used.