L99PM62XP datasheet(75/98 Pages) STMICROELECTRONICS

75 / 98 page

L99PM62XP

ST SPI

Doc ID 16363 Rev 4

75/98

The <ID-Header> (ROM address 00H) indicates the product family and specifies the highest

address which contains product information

<Family Identifier>: 01 Hex (BCD)

<Highest address>: 03 Hex

The <Product Code 1> (ROM address 02H) and <Product Code 2> (ROM address 03H)

represents a unique code to identify the product name.

<Product Code 1> 44 Hex

<Product Code 2> 4E Hex

The <Silicon Version> (ROM address 01H) provides information about the silicon version

according to the table below:

The <SPI-frame-ID> (ROM address 3EH) provides information about the register width (1,

2, 3 bytes) and the availability of ‘Burst Mode Read’ and watchdog.

BR: burst-mode read (1 = burst-mode read is supported)

WD: watchdog (1 = available, 0 = not available)

32-bit, 24-bit, 16-bit: width of SPI frame (see table below)

Table 65.

ID-header

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

000011

Family Identifier

Highest address containing device information

Table 66.

Family identifier

Bit 7

Bit 6

Meaning

VIPower

BCD

VIPower hybrid

Tbd

Table 67.

Silicon version identifier

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

Silicon version

Table 68.

SPI-frame-ID

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

01000

32-bit

24-bit

16-bit

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