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L9965P Datasheet(PDF) 80 Page - STMicroelectronics

Part # L9965P
Description  Automotive single channel pyro-fuse driver
PDF  104 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9965P Datasheet(HTML) 80 Page - STMicroelectronics

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Table 80. CLIENT_NVM_REG_10 - 0x2A
Field name
Type
Bit
offset
Bit
width
Reset
value
Reset sources
Description
TRIM_FENX_TIMEOUT_FAULTN_MSK
RW
9
1
0x0
nPOR_SLEEP
1 = FAULTN assertion from
FENx_PWM_TIMEOUT and
FENx_LEV_TIMEOUT
masked
TRIM_FENX_LOW_FREQ_FAULTN_MSK
RW
8
1
0x0
nPOR_SLEEP
1 = FAULTN assertion from
FENx_LOW_FREQ masked
TRIM_FENX_HIGH_FREQ_FAULTN_MSK RW
7
1
0x0
nPOR_SLEEP
1 = FAULTN assertion from
FENx_HIGH_FREQ masked
TRIM_ERCAP_ESR_THR
RW
0
7
0x0
nPOR_SLEEP
Threshold for ER CAP ESR
value
Table 81. CLIENT_NVM_REG_11 - 0x2B
Field name
Type
Bit
offset
Bit
width
Reset
value
Reset sources
Description
NVM_UPLOAD_COUNT
RO
5
5
0x0
nPOR_SLEEP Number of NVM writing
TRIM_FAULTN_DIS
RW
4
1
0x0
nPOR_SLEEP
0 = FAULTN output enabled
1 = FAULTN output disabled
TRIM_FIRE_GOOD_SEL
RW
2
2
0x0
nPOR_SLEEP
Selection of FIRE_GOOD signal:
00 = Meas res
01 = Dep curr
10 = Meas res and dep curr
11 = None
RESERVED
RW
1
1
0x0
nPOR_SLEEP Reserved
TRIM_PS_OV_FAULTN_MSK RW
0
1
0x0
nPOR_SLEEP
1 = FAULTN assertion from PS_OV
masked
Table 82. CLIENT_NVM_REG_12 - 0x2C
Field name
Type Bit offset Bit width Reset value Reset sources
Description
UNUSED
RW
8
2
0x0
nPOR_SLEEP
CLIENT_CONFIG_CRC
RO
0
8
0x0
nPOR_SLEEP Written internally after NVM download
Table 83. SPECIAL_KEY - 0x30
Field name
Type
Bit offset
Bit width
Reset value
Reset sources
Description
UNUSED
RO
8
2
0x0
nPOR_MAIN
SPECIAL_KEY
RW
0
8
0x0
nPOR_MAIN
0x55 = Partial unlock
0x33 = Full unlock
0xAA= Lock
0xE1 = Partial SW reset
0x1E = Full SW reset
0x77 = Partial GO2SLP
0xCC = Full GO2SLP
L9965P
Functional description
DS14702 - Rev 4
page 80/104



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