THS788 Datasheet, PDF (18/43 Pages) Texas Instruments – QUAD-CHANNEL TIME MEASUREMENT UNIT (TMU)

THS788
SLOS616B – MARCH 2010 – REVISED JUNE 2011
Reg. Addr.
Reg. Name
80h
Control
Table 11. Central Registers
Word/Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
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Default Value
0000h
81h
Control
82h
Status
XXXXXXXXXXXX
XXXXXXXXXXXX
X
0000h
0000h
83h
Chip ID
ID ID ID ID ID ID ID ID
8010h
Register
00h
20h
40h
60h
Table 12. Control and Status Register Descriptions for All Channels (X)
Bit
Name
0 En_ChX
1 ChX_IP_EN
2 Pol_X
7 HOffRng0_X
8 HOffRng1_X
9 HOffRng2_X
Function
Enable or disable channel X by powering down the
channel. Time to enable a channel is 200 μs.
Enables or disables the input of channel X. Events are
prevented from entering a channel.
Defines the polarity of the event inputX for the upcoming
time stamp generation.
Defines holdoff range for event input X.
Defines holdoff range for event input X.
Defines holdoff range for event input X.
LogicState
0
1
0
1
0
1
0
1
0
1
0
1
Description
Channel is disabled
Channel is enabled
Input is disabled
Input is enabled
Positive edge
Negative edge
Holdoff range value
Holdoff range value
Holdoff range value
Holdoff range value
Holdoff range value
Hold-off range value
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