參數(shù)資料
型號(hào)： TLE8242
廠(chǎng)商： INFINEON TECHNOLOGIES AG
元件分類(lèi)： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁(yè)數(shù)： 14/77頁(yè)
文件大?。?/td> 1580K
代理商： TLE8242
Data Sheet
21
Rev. 1.0, 2009-02-25
TLE8242
Functional Description and Electrical Characteristics
The tested bits allow the distinction between a a case when a fault bit is not set because the fault is not detected,
and the case when a fault bit is not set because the diagnostic test has not completed. For instance, the calculated
duty cycle is too low to complete the short to battery test.
Two fault tested bits are defined:
The tested bit is set to 1 when the fault test has completed successfully.
Each fault type can be described by the two bits: FAULT and TESTED.
Table 4
Diagnostics Tested Bits / Flags
Tested Type
OUTx High
OUTx Low
Short to Ground and Open load OFF
tested
Bit OFF-T
Short to Battery tested
Bit SB-T
Table 5
FAULT vs. TESTED Bits Matrix and Interpretation
FAULT
TESTED
Interpretation by microcontroller
0
This fault type has not been tested
0
1
No Fault - The fault type has been tested and no fault is present
1
0
This combination cannot occur
1
Fault - This particular fault type has occurred
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