Sundance SMT943 - Manual (Page 20)

User Manual SMT943 Page 20 of 54 Last Edited: 23/08/2011 17:24:00
Register Descriptions
3.3.2 Control Register 0x1.
Control Register 0x01
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Sync (chcd) TxEnable
(chcd)
Trigger
nled
(chcd)
Trigger
nled
(chab)
DCM chcd
reset
DCM chab
reset
Clk_Readb
ack
Default
0 Chcd
trigger
selection
Chdc
internal
trigger
Chab
trigger
selectio
n
Chab
internal
trigger
Chab
Reset
Chcd
update
Chab
update
clk update
Default ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’
Clock Register 0 0x10
Setting Bit 0 Description clk update clock chip register update
0 0 No action.
1 1 All clock registers are sent to the clock chip via its serial interface.
Setting Bit 1 Description chab update channel a and b register update
0 0 No action.
1 1 All registers (chab) are sent to the converter via its serial interface.
Setting Bit 2 Description chcd update channel c and d register update
0 1 No action.
1 1 All registers (chcd) are sent to the converter via its serial interface.
Setting Bit 4 Description chab Internal trigger
0 0 No action.
1 1 Starts the data flow (converter chab).
Setting Bit 5 Description chab trigger selection
0 0 Trigger from control register selected.
1 1 Trigger from external source selected.
Setting Bit 6 Description chcd Internal trigger
0 0 No action.
1 1 Starts the data flow (converter chcd).
Setting Bit 7 Description chcd trigger selection
0 0 Trigger from control register selected.
1 1 Trigger from external source selected.
Setting Bit 8 Description clock readback
0 0 No action.
1 1 Used when read register back from the chip itself.
Setting Bit 9 Description DCM chab Reset
0 0 No action.
1 1 Resets the DCM used to capture samples from ADC channels.
Setting Bit 10 Description DCM chcd Reset