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參數(shù)資料
| 型號(hào)： | L9929 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SPI CONTROLLED H-BRIDGE |
| 中文描述： | 可控的SPI H橋 |
| 文件頁(yè)數(shù)： | 14/23頁(yè) |
| 文件大小： | 629K |
| 代理商： | L9929 |
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L9929
14/23
5.6
On the following conditions DIA_REG is reset:
– With the rising edge of the SS-signal after the SPI-Instruction RD_DIA (only if error free while SS,
new errors will actualize DIA_REG with the rising edge of SS).
– When the voltage on DMS exceeds the threshold for detecting SPI-Mode. (after undervoltage condi-
tion or after power up)
– - If VS rises over about the undervoltage level, the Bits of DIA_REG are restored (when VS internal
or DMS > 3,1V)
Verification byte:
Reset of the Diagnostic Register DIA_REG
5.7
Description of the SPI Registers (SPI Instructions: RD_DIA)
Diagnostics/Encoding of Failures
MSB
7
6
5
Z
Z
1
4
0
3
1
2
0
1
1
0
TRANS_F
Bit
0
Name
TRANS_F
Description
Bit = 1: error detected during previous transfer
Bit = 0: previous transfer was recognised as valid
Fixed to High
Fixed to Low
Fixed to High
Fixed to Low
Fixed to High
Send as high impedance
Send as high impedance
1
2
3
4
5
6
7
Register: DIA_REG
7
Active
6
5
4
3
2
1
0
OT
CurrRed
CurrLim
DIA21
DIA20
Dia11
DIA10
State of Reset: FFH
Access by Controller:
Read only
Bit
Name
0
DIA 10
1
DIA 11
2
DIA 20
3
DIA 21
4
CurrLim
5
CurrRed
6
OT
7
Active
Description
Diagnosis-Bit1 of OUT1
Diagnosis-Bit2 of OUT1
Diagnosis-Bit1 of OUT2
Diagnosis-Bit2 of OUT2
Is set to 0“ in case of current limitation
Is set to 0“ in case of temperature dependet current limitation
Is set to 0“ in case of overtemperature
Shows the wired-or state of the Pins EN and DI
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