RM0352 datasheet(110/138 Pages) STMICROELECTRONICS

110 / 138 page

SPI (serial peripheral interface)

RM0352

110/138

DocID024647 Rev 1

The following subsections describe the four 8-bit peripheral identification registers:

•

SSPPeriphID0 register

•

SSPPeriphID1 register

•

SSPPeriphID2 register

•

SSPPeriphID3 register

SSPPeriphID0 register

The SSPPeriphID0 register characteristics are:

Purpose

The SSPPeriphID0 register is hard-coded and the fields within the

Usage constraints

There are no usage constraints.

Configurations

Available in all SSP configurations.

Attributes

See

Table 96 on page 101.

Table 106 shows the bit assignments.

SSPPeriphID1 register

The SSPPeriphID1 register characteristics are:

Purpose

The SSPPeriphID1 register is hard-coded and the fields within the

Usage constraints

There are no usage constraints.

Configurations

Available in all SSP configurations.

Attributes

See

Table 96 on page 101.

Table 107 shows the bit assignments.

SSPPeriphID2 register

The SSPPeriphID2 register characteristics are:

Purpose

The SSPPeriphID2 register is hard-coded and the fields within the

Table 106. SSPPeriphID0 register bit assignments

Bits

Name

Description

[15:8]

RESERVED

RESERVED, read undefined must read as zeros

[7:0]

PartNumber0

These bits read back as 0x22

Table 107. SSPPeriphID1 register bit assignments

Bits

Name

Description

[15:8]

RESERVED

RESERVED, read undefined, must read as zeros

[7:4]

Designer0

These bits read back as 0x1

[3:0]

PartNumber1

These bits read back as 0x0

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