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L9965P-FN Datasheet(PDF) 65 Page - STMicroelectronics

Part # L9965P-FN
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-FN Datasheet(HTML) 65 Page - STMicroelectronics

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3.14.1
SPI electrical parameters
All parameters are tested and guaranteed in the following conditions, unless otherwise noted: all supplies
according to the Table 3; TJ according to the Table 2.
Figure 28. SPI timing diagram
NCS
SCLK
tCLK_H
tCLK_LEAD
tCLK_LAG
tNO_DATA
tSDO_ACC
SDO
tSDO_VALID
Hi-Z
Hi-Z
tSDO_DIS
tSDI_SETUP
tSDI_HOLD
SDI
tCLK_L
Don’t care
Don’t care
MSB
LSB
MSB
LSB
tCLK
Table 42. SPI electrical parameters
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Pin
fCLK
SPI transfer frequency
Application info
-
-
2
MHz
SCLK
tCLK
Clock period
Application info
500
-
-
ns
SCLK
tCLK_H
Clock high time
Application info
210
-
-
ns
SCLK
tCLK_
Clock low time
Application info
210
-
-
ns
SCLK
tCLK_LEAD
Clock lead time
Application info
200
-
-
ns
SCLK
tCLK_LAG
Clock lag time
fCLK = 2MHz
200
-
-
ns
SCLK
tSDI_SETUP
MOSI input setup time
Application info
50
-
-
ns
SDI
tSDI_HOLD
MOSI input hold time
Application info
50
-
-
ns
SDI
tSDO_ACC
SDO access time
fCLK = 2 MHz, CLOAD = 60 pF
-
-
100
ns
SDO
tSDO_VALID
SDO output valid time
fCLK = 2 MHz, CLOAD = 60 pF
-
-
150
ns
SDO
tSDO_DIS
SDO disable time
fCLK = 2 MHz, CLOAD = 60 pF
-
-
100
ns
SDO
tNO_DATA
SPI interframe time
fCLK = 2 MHz
800
-
-
ns
NCS
3.14.2
SPI register map
Table 43. SPI register map
Register name
Address
Non volatile
BMS_ID
0x00
-
CHIP_ID
0x01
-
FAULT_DIAG_CONFIG
0x02
-
FENH_L_CONFIG
0x03
-
DIAG_CMD
0x04
-
L9965P
Functional description
DS14702 - Rev 4
page 65/104



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