參數(shù)資料
型號(hào)： ADS7953SRHBT
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
封裝： GREEN, PLASTIC, PQFP-32
文件頁(yè)數(shù)： 30/63頁(yè)
文件大?。?/td> 1734K
代理商： ADS7953SRHBT
Deviceinanyoperationmode
Programalarmthresholds?
Programanothergroupoffourchannels?
Endofalarmprograming
Yes
No
Yes
CS
Entryintoalarm
register
programming
sequence
CS
Alarmregister
programming
sequence
SDI:DI15..12=11XX
(xxindicatesgroupoffourchannels;refertable8)
Deviceentersalarmregisterprogrammingsequence
SDI:DI15..0aspertable8(programalarmthresholds)
DI12=1?
SLAS605A – JUNE 2008 – REVISED JANUARY 2010
www.ti.com
NOTE: The device continues its operation in selected mode during programming. SDO is valid, however it is not possible to
change the range or write GPIO data into the device during programming.
Figure 55. Alarm Program Register Programming Flowchart
Table 9. Alarm Program Register Settings
DESCRIPTION
BITS
RESET STATE
LOGIC
FUNCTION
STATE
FRAME 1
DI15-12
NA
1100
Device enters ‘a(chǎn)larm programming sequence’ for group 0
1101
Device enters ‘a(chǎn)larm programming sequence’ for group 1
1110
Device enters ‘a(chǎn)larm programming sequence’ for group 2
1111
Device enters ‘a(chǎn)larm programming sequence’ for group 3
Note: DI15-12 = 11bb is the alarm programming request for group bb. Here ‘bb’ represents the alarm programming group number in binary
format.
DI11-14
NA
Do not care
FRAME 2 AND ONWARDS
36
Copyright 2008–2010, Texas Instruments Incorporated
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