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SPSB081 датащи(PDF) 87 Page - STMicroelectronics

номер детали SPSB081
подробное описание детали  Automotive power management IC with LIN and CAN-FD
PDF  137 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPSB081 датащи(HTML) 87 Page - STMicroelectronics

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Bit Name
Description
24
FS
Failsafe
The FS bit indicates that the device was forced into a safe state due to the following failure conditions
SR1 (0x31)
WDFAIL
V1UV (when UV is more than 2ms)
TSD2
FORCED SLEEP TSD/V1SC
SR2(0x32)
FORCED SLEEP V1OV
SR6 (0x36)
SGNDLOSS
All control Registers are set to default
Control registers are blocked for WRITE access except the following bits
CR1 (0x01)
TRIG
CAN_ACT
CR2 (0x02)
Timer settings (bits 8…13 and bits 16…21)
CR5 (0x05)
OUT1_x (bits 0…2)
OUT2_x (bits 4…6)
OUT3_x (bits 8…10)
OUT4_x (bits 12…14)
CR9 (0x09) to CR11 (0x0B) PWM frequency and duty cycles
Config register (0x3F)
V2_0
V2_1
0 = Fail-safe inactive (default)
1 = Fail-safe active
FS is cleared upon exit from fail-safe mode (refer to Section 3.7 Fail safe mode)
1. Individual failure flags may be masked in the CR1 (0x26).
2. Bit may be masked in the configuration register (0x3F), that is, the bit will not be included in the global status bit (GSB).
3. Open load status flags may be masked in the Configuration register (0x3F), that is the open load flag will be included in the
FE flag, but will not set the GSB. TW failure status flags may be masked in the Configuration register (0x3F), that is the TW
flag will be included in the GW flag, but will not set the GSB.
SPSB081
Global status byte (GSB)
DS14048 - Rev 3
page 87/137



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