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TN0897 Fiches technique(PDF) 23 Page - STMicroelectronics

No de pièce TN0897
Description  The document describes a standardized SPI protocol
PDF  28 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TN0897 Fiches technique(HTML) 23 Page - STMicroelectronics

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TN0897
Read device information
Doc ID 023176 Rev 2
23/28
7
Read device information
Product specific information is stored in the ROM area and can be read using a dedicated
operating code (<Read Device Information>).
7.1
ID-Header
The <Address Range> specifies the highest ROM address which contains <Device
Information>.
The standard value if no additional information registers are present is 03H
(
 content of ID-Header is: XX00 0011)
The <Family Identifier> specifies the product family according to the following family codes:
Table 10.
Device information
Op Code
Address
Device Information
OC1
OC0
1
1
3FH
Reserved
1
1
3EH
<SPI-frame-ID>
1
1
04H to 3DH
Product specific
See product datasheet
1
1
03H
<Product Code 2>
1
1
02H
<Product Code 1>
1
1
01H
<Silicon Version>
1
1
00H
<ID-Header>
Table 11.
ID-Header
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Fam
ROM Address Range for <Device Information>
Table 12.
Product family
Bit 7
Bit 6
Product family
00
VIPower
01
BCD
10
VIPower hybrid



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