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L9965P Datasheet(PDF) 67 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) 67 Page - STMicroelectronics

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3.14.2.1
SPI read/write registers
Note:
•
nPOR_MAIN is asserted when the IC moves from ACTIVE to DEEP-SLEEP.
•
nPOR_SLEEP is used to retain data in DEEP-SLEEP state, and it is asserted when the battery is
removed.
Table 44. BMS_ID - 0x00
Field name
Type
Bit offset
Bit width
Reset value
Reset sources
Description
UNUSED
RO
8
2
0x0
nPOR_MAIN
BMS_ID
RO
0
8
0x0
nPOR_MAIN
0x060
Table 45. CHIP_ID - 0x01
Field name
Type
Bit offset
Bit width
Reset value
Reset sources
Description
UNUSED
RO
8
2
0x0
nPOR_MAIN
SILICON_ID
RO
5
3
X
X
0x1 = A version
METAL_ID
RO
0
5
X
X
0x1 = A version
0x2 = B version
Table 46. FAULT_DIAG_CONFIG - 0x02
Field name
Type Bit offset Bit width
Reset
value
Reset sources
Description
UNUSED
RW
4
6
0x0
nPOR_MAIN
FENL_INT_CHECK_EN
RW
3
1
0x0
nPOR_SLEEP
0 = Integrity check masked
1 = Integrity check enabled
FENH_INT_CHECK_EN
RW
2
1
0x0
nPOR_SLEEP
0 = Integrity check masked
1 = Integrity check enabled
FAULTN_FORCE
RW
1
1
0x0
nPOR_MAIN
0 = FAULTN forced high
1 = FAULTN forced low
FAULTN_CYCLIC_PULSE RW
0
1
0x0
nPOR_MAIN
0 = FAULTN pulses generation
disabled
1 = FAULTN pulses generation
enabled
Table 47. FENH_L_CONFIG - 0x03
Field name
Type
Bit offset
Bit width
Reset value
Reset sources
Description
UNUSED
RW
2
8
0x0
nPOR_MAIN
FENL_MODE
RW
1
1
0x0
nPOR_MAIN
0 = Level based decoding
1 = PWM based decoding
FENH_MODE
RW
0
1
0x0
nPOR_MAIN
0 = Level based decoding
1 = PWM based decoding
L9965P
Functional description
DS14702 - Rev 4
page 67/104



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