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L9965P Datasheet(PDF) 79 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) 79 Page - STMicroelectronics

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Table 77. CLIENT_NVM_REG_7 - 0x27
Field name
Type Bit offset Bit width
Reset
value
Reset sources
Description
TRIM_PF_FET_FAIL_FIRE_MSK RW
9
1
0x0
nPOR_SLEEP
1 = Deployment inhibition from
PF_FET_STG and
PF_FET_FAIL masked
TRIM_LEAK_NCYCLE
RW
7
2
0x0
nPOR_SLEEP
Periodicity of cyclic VRCM
check and LEAK test:
00 = 1, 01 = 4, 10 = 16, 11 = 64
TRIM_T_DEP_CFG
RW
0
7
0x0
nPOR_SLEEP Deployment time
Table 78. CLIENT_NVM_REG_8 - 0x28
Field name
Type
Bit
offset
Bit
width
Reset
value
Reset sources
Description
RESERVED
RW
9
1
0x0
nPOR_SLEEP Reserved
TRIM_VER_WKUP_TH
RW
6
3
0x0
nPOR_SLEEP
ERBST enabled threshold
(see the Table 10)
TRIM_ERBST_SET
RW
3
3
0x0
nPOR_SLEEP
ERBST disabled threshold
(see the Table 10)
TRIM_PIN_LIMIT
RW
2
1
0x0
nPOR_SLEEP
0 = Input power limitation
disabled
1 = Input power limitation
enabled
TRIM_PR_FET_FAIL_FIRE_MSK
RW
1
1
0x0
nPOR_SLEEP
1 = Deployment inhibition from
PR_FET_STB and
PR_FET_FAIL masked
TRIM_PR_FET_FAIL_FAULTN_MSK RW
0
1
0x0
nPOR_SLEEP
1 = FAULTN assertion from
PF_FET_STG and
PF_FET_FAIL masked
Table 79. CLIENT_NVM_REG_9 - 0x29
Field name
Type
Bit
offset
Bit
width
Reset
value
Reset sources
Description
TRIM_GND_LOSS_BSTGND_MSK RW
9
1
0x0
nPOR_SLEEP
1 = Deployment inhibition from
BSTGND_LOSS masked
TRIM_ERBST_EN
RW
8
1
0x0
nPOR_SLEEP
0 = ERBST disabled
1 = ERBST enabled
TRIM_ERCAP_C_THR
RW
0
8
0x0
nPOR_SLEEP
Threshold for ER CAP
capacitance value
L9965P
Functional description
DS14702 - Rev 4
page 79/104



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