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TMF8801

TMF8801 Module Description

Datasheet

• PUBLIC

DS000648

• v10-00 • 2022-Dec-20

│ 7

Pin Number

Pin Name

Signal Type

Description

INT

Output

Interrupt. Open-drain output; connect to GND

if not used

SCL

Input

I²C Serial Clock

SDA

I/O

I²C Serial Data

VDD

Supply

Chip Supply voltage (3 V); add a capacitor

GRM155R70J104KA01 (0402 X7R 0.1 µF

6.3 V) to GND

GND

Ground

Chip Ground; connect all ground pins

together

Input

Enable input active high; setting to low forces

the device into shutdown and all memory

content is lost; connected to TMF8801 VDD if

not connected to a host GPIO

GPIO1

I/O

General purpose input/output; default output

low; leave open if not used

GNDV

Ground

VCSEL Ground; connect all ground pins

together

VDDV

Supply

VCSEL Supply voltage (3 V); add a capacitor

GRM155R70J104KA01 (0402 X7R 0.1 µF

6.3 V) to GND

(1)

SDA, SCL, INT and EN have no diode to any VDD supply. Therefore even with VDD=0 V they do not block the interrupt

line or I²C bus.

(2)

GPIO0 and GPIO1 are push/pull output and have a diode to VDD; therefore if VDD is not powered, GPIO0 and GPIO1

should not be driven from outside.

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