TMF8805 datasheet(65/74 Pages) OSRAM

65 / 74 page

TMF8805

Application information

Datasheet

• PUBLIC • Document Feedback

DS000692

• v7-00 • 2023-Dec-01

65 / 74

Figure 13: Sharing a single I²C bus for operating several TMF8805

’s

The procedure to initialize the devices to different I²C addresses is as follows:

1. Set EN1=0, EN2=0, EN3=0 (reset all devices)

2. Set EN1=1

3. Download firmware patch to first TMF8805

4. Reprogram I²C address for first TMF8805 using command=0x49 where cmd_data0=0 and

cmd_data1=I²C address for first TMF8805

5. Set EN2=1

6. Download firmware patch to second TMF8805

EN1

SDA

SCL

Host

Cortex M0

GPIO1

GPIO0

TMF8805

VCSEL

Optical

Filter

Reflective

Surface

Background

Light

Internal

Reflection

Optics

SPAD,

TDC and

Histogram

Driver

Control

Data

Process

TOF Sensor

Cortex M0

GPIO1

GPIO0

TMF8805

VCSEL

Optical

Filter

Reflective

Surface

Background

Light

Internal

Reflection

Optics

SPAD,

TDC and

Histogram

Driver

Control

Data

Process

TOF Sensor

Cortex M0

GPIO1

GPIO0

TMF8805

VCSEL

Optical

Filter

Reflective

Surface

Background

Light

Internal

Reflection

Optics

SPAD,

TDC and

Histogram

Driver

Control

Data

Process

TOF Sensor

EN2

INT2

SDA

SCL

EN3

INT3

SDA

SCL

TMF8805 数据表(PDF) 65 Page - OSRAM GmbH

TMF8805 数据表(HTML) 65 Page - OSRAM GmbH

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TMF8805 数据表(PDF) 65 Page - OSRAM GmbH

TMF8805 数据表(HTML) 65 Page - OSRAM GmbH

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