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L99H92 Scheda tecnica(PDF) 22 Page - STMicroelectronics

Il numero della parte L99H92
Spiegazioni elettronici  Half-bridge pre-driver for automotive applications
PDF  77 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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•
Functional error bit (FE)
The FE bit is a logical OR combination of errors coming from application specific functional items:
Overcurrent status flags (DSHSx, DSLSx)
Device error bit (DE)
The DE bit is a logical OR combination of errors related to device specific blocks:
•
VDH overvoltage status flag (VDHOV)
•
VDH undervoltage status flag (VDHUV)
•
VDD overvoltage status flag (VDDOV)
•
Thermal shutdown status flag (TSD)
•
Charge pump not ready status bit (NRDY)
•
Charge pump low status flag/bit (CPLOW)
•
Digital input/output overvoltage status flag (DIOOV)
Global warning bit (GW). The GW bit is a logical OR combination of all warning flags:
•
Thermal warning status flag (TW)
•
VS overvoltage warning status flag (VSOVW)
Fail-safe bit (FS). The FS bit indicates that the device was forced into fail-safe mode due to watchdog failure or
due to FSINB input pin pulled low.
•
Watchdog fault status flag (WDGF)
•
Fail-safe input not status bit (FSIN)
Data-out payload
The Payload (data Byte1 and 2) is the data transferred from the slave device with every SPI communication to the
master device (in-frame-response). The Payload always follows the global status byte.
4.1.4
Address definition
Table 7. Address definition - device application access
Device application access
Operating code
OC1
OC0
0
0
0
1
1
0
Table 8. Address definition - device information read access
Device information read access
Operating code
OC1
OC0
1
1
Table 9. Address definition - RAM access
RAM address
Description
Access
3FH
Advanced Op.
C
3EH
Reserved
None
...
...
...
...
...
...
L99H92
ST SPI 4.1
DS14069 - Rev 4
page 22/77



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