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L99H92 Scheda tecnica(PDF) 23 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

L99H92 Scheda tecnica(HTML) 23 Page - STMicroelectronics

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RAM address
Description
Access
0DH
Reserved
None
0CH
Reserved (RESVDI)
R
0BH
Reserved (RESVDO)
R/W
0AH
Contro register (WDGTRDIS)
R/W
...
...
02H
Status register (DSR2)
R
01H
Status register (DSR1)
R/C
00H
Reserved
None
Table 10. Address definition - ROM access
ROM Address
Description
Access
3FH
<Advanced op.>
W
3EH
<GSB options>
R
...
20H
<SPI CPHA test>
R
16H
<WD bit pos. 4>
R
15H
<WD bit pos. 3>
R
14H
<WD bit pos. 2>
R
13H
<WD bit pos. 1>
R
12H
<WD type 2>
R
11H
<WD type 1>
R
10H
<SPI mode>
R
…
0AH
<Silicon ver.>
R
...
05H
<Device n.4>
R
04H
<Device n.3>
R
03H
<Device n.2>
R
02H
<Device n.1>
R
01H
<Device family>
R
00H
<Company code>
R
Information registers
The device information registers can be read by using OpCode ‘11’. After shifting out the GSB the 8-bit wide
payload will be transmitted. By reading device information registers a communication width which is minimum 16
bits plus a multiple by 8 can be used. After shifting out the GSB followed by the 8bit wide payload a series of ‘0’ is
shifted out at the SDO.
Table 11. L99H92 information registers map
ROM Address
Description
Access
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
3FH
<Advanced Op.>
3EH
<GSB Options>
R
→
0
0
0
1
0
0
0
0
L99H92
ST SPI 4.1
DS14069 - Rev 4
page 23/77



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