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L9960 датащи(PDF) 31 Page - STMicroelectronics

номер детали L9960
подробное описание детали  Automotive Single/Dual H-Bridge, SPI programmable DC Brushed Motor Driver
PDF  95 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9960 датащи(HTML) 31 Page - STMicroelectronics

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DS11115 Rev 10
31/95
L9960, L9960T
Functional description
94
Figure 12. HWSC timing diagram
Stop conditions for HWSC test
The HWSC is stopped by one of the following conditions:
HWSC duration time “Thwsc_dur” has expired
in case of a reset condition (RESET active)
Once the HWSC duration time “Thwsc_dur” has expired the internal signal HWSC_done is
set to "1", independently of the HWSC result.
HWSC failed
In case the HWSC has failed or is not done, all outputs are disabled.
HWSC is not done if it was not triggered or if is not finished (“Thwsc_dur” not expired)
Result of HWSC/LBIST test
HWSC/LBIST test status (3 bits) is requested by SPI command "states request 1":
Note:
(-) available in the R8/R7/R6 positions in SPI answer frame 8a.
Table 31. HWSC/LBIST_status
Bit status (b2 b1 b0)
Description
Condition
0xx
HWSC/LBIST not done
Default value
100
HWSC/LBIST done - HWSC FAIL/LBIST FAIL
101
HWSC/LBIST done - HWSC running/LBIST PASS
110
HWSC/LBIST done - HWSC FAIL/LBIST PASS
111
HWSC/LBIST done - HWSC PASS/LBIST PASS
GAPGPS02318
HWSC done
& passed
HWSC
trigger
VDD_OV_th
O_vdd_ov_ref
i_vdd_ov
0
1
HWSC passed
HWSC not done
tHWSCrestarted
VDD_OV_HWSC
0
1
0
1
HWSC failed
0
0
0
0
VDD5
V
HWSC_DUR
t
HWSC_REF
t
Thwsc_fil
0
0
1
0
HWSC_DIS
HWSC_DONE



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