L99DZ70XP datasheet(33/47 Pages) STMICROELECTRONICS

33 / 47 page

L99DZ70XP

Functional description of the SPI

Doc ID 15162 Rev 3

33/47

Figure 11. Global error flag definition

4.4

Address mapping

Table 23.

RAM memory map

Address

Name

Access

Content

00h

Control register 0

Read/write

Enable of device and bridge control

01h

Control register 1

Read/write

High/low-side control and Electrocrome block set

02h

Control register 2

Read/write

Bridge recovery mode and PWM set up and

Electrocrome block set up

03h

Control register 3

Read/write

Highside recovery mode and PWM set up and

current monitor selection

10h

Status register 0

Read only

Bridge over-current diagnosis

11h

Status register 1

Read only

Bridge open load (under-current) diagnosis

12h

Status register 2

Read only

Open load (under-current) diagnosis, VS and

electrocrome diagnosis

3Fh

Configuration

Read/write

Mask of bits in global status register and for global

error bit

Table 24.

ROM memory map

Address

Name

Access

Content

00h

ID header

Read only

4300h (ASSP ST_SPI)

01h

Version

Read only

0300h

02h

Product code 1

Read only

4300h (67 ST_SPI)

03h

Product code 2

Read only

4800h (H ST_SPI)

3Eh

SPI-frame ID

Read only

0200h SPI-Frame-ID register (ST_SPI)

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