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STGAP1AS 数据表(PDF) 48 Page - STMicroelectronics

部件名 STGAP1AS
功能描述  Automotive galvanically isolated advanced single gate driver
PDF  70 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STGAP1AS 数据表(HTML) 48 Page - STMicroelectronics

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Programming manual
STGAP1AS
48/70
DocID029344 Rev 2
9
Programming manual
9.1
SPI commands
The commands summary is given in Table 13.
9.1.1
StartConfig and StopConfig commands
Device parameters are configured by writing configuration values in configuration registers
(CFGx and DIAGxCFG), which is only possible by entering in configuration mode.
To switch the device to the configuration mode the StartConfig command must be sent. This
command is accepted when the SD line is low only. If the command has been correctly
received and interpreted, the IC registers writing is enabled.
The SD pin must be kept low during the whole configuration procedure, which is terminated
by the StopConfig command. If the SD pin is raised during the configuration procedure the
device immediately quits the configuration mode causing a fault error indicated by the
REGERRL and REGERRR bits. In this case all the changes operated on device
configuration are undone and the previous configuration is restored.
Table 13. SPI commands
Command mnemonic
Command value
Action
Notes
StartConfig
0
0
1
0 1 0 1
0
Device configuration start
Enter CFG mode
SD low only
StopConfig
0
0
1
1 1 0 1
0
Device configuration/check
completed
Leave CFG mode
SD low only
NOP
0
0
0
0 0 0 0
0
No operation
WriteReg
1
0
0
A A A A
A Write AAAAA register
CFG mode only
ReadReg
1
0
1
A A A A
A Read AAAAA register
ResetStatus
1
1
0
1 0 0 0
0
Reset all the status registers
SD low only
GlobalReset
1
1
1
0 1 0 1
0
Global reset
CFG mode only
Sleep
1
1
1
1 0 1 0
1
Device enters in standby mode
SD low only
Table 14. StartConfig command synopsis
Byte
1
2
To device
0010 1010
1101 1010(1)
1. The CRC byte of the command, if the CRC check is disabled this byte is ignored.
Table 15. StopConfig command synopsis
Byte
1
2
To device
0011 1010
1010 1010(1)
1. The CRC byte of the command, if the CRC check is disabled this byte is ignored.



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