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L99ASC03 数据表(PDF) 62 Page - STMicroelectronics

部件名 L99ASC03
功能描述  Brushless / sensorless 3-phase motor pre-driver for automotive applications
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L99ASC03 数据表(HTML) 62 Page - STMicroelectronics

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ST-SPI Protocol
L99ASC03
62/73
DocID023504 Rev 7
4.4.9
Device Control Register 8
Device Control Register 8
Address:
0x8
Type:
R/W
4.4.10
Device Status Registers 1
Device Status Registers 1
Address:
0x11
Type:
R/C
I
76
54
32
10
Bit name
—
—
—
—
—
DSFT_DIS
ISTEST_EN
OCFT_DIS
Default values
—
—
—
—
—
0
0
0
Bit Bit description
[7:3] Reserved
[2] DSFT_DIS: drain-source fault disable.
This bit can be written only when the DISABLE bit (in status register 1) is "1", otherwise the write
operation to this bit is ignored. Note: this bit is not set to default in case of fail-safe errors.
0: a drain-source monitoring error causes the turn-off of the affected driver (functional error
reported)
1: a drain-source monitoring error does not cause the turn-off of the affected driver (global
warning reported)
[1] ISTEST_EN: ISTEST enable
0: ISTEST disabled
1: ISTEST enabled
[0] OCFT_DIS: overcurrent filter time disable (for RPD)
0: overcurrent filter time enabled
1: overcurrent filter time disabled
76
54
32
10
CPLOW
NRDY
DISABLE
INHWAKE
SPIWAKE
Reserved
DEVST(1)
DEVST(0)
GSB reported
GW/FE(1)
1.
Depending on CPLOWM bit:
CPLOWM = 0, than GW
CPLOWM = 1, than FE
GW/FE(1)
FE
Information
Information
—
Information
Information
Clear mode
Read & Clear
Auto cleared
Read & Clear
Read & Clear
Read & Clear
—
Read & Clear
Bit Bit description
[7] CPLOW: charge pump undervoltage detected
[6] NRDY: charge pump not ready (VCPLOW threshold not reached after charge pump startup)
[5] DISABLE: DIS pin high detected
[4] WAKEINH: wake-up from INH detected



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