THS788 Datasheet, PDF (19/43 Pages) Texas Instruments – QUAD-CHANNEL TIME MEASUREMENT UNIT (TMU)

THS788
www.ti.com
SLOS616B – MARCH 2010 – REVISED JUNE 2011
Table 13. Control and Status Register Descriptions for All Channels (X)
Register Bit
Name
0 Reserved
1 Arm_sel0X
Reserved
Function
Define arming conditions for channel X.
2 Arm_sel1X
01h
21h
41h
3 Arm_sel2X
61h
4 Arm_sel3X
Define arming conditions for channel X.
Define arming conditions for channel X.
Define arming conditions for channel X.
5
Armg_Con_En_X
Enables or disables the arming conditions for
channel X.
0 DLL_Lock_X
Indicates the DLL lock status for channel X.
04h
2 Reserved
24h
44h
3 FIFO_Full_X
64h
Reserved
Indicates that the FIFO is full. Time stamps arriving
while FIFO is full are lost.
4 FIFO_Empty_X Indicates that the FIFO is empty.
Logic State
x
0
1
0
1
0
1
0
1
0
1
0
1
x
0
1
0
1
Description
Arming value
Arming value
Arming value
Arming value
Arming value
Arming value
Arming value
Arming value
Arming cond. disabled
Arming cond. enabled
DLL locked
DLL not locked
FIFO not full
FIFO full
FIFO not empty
FIFO empty
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