Telit Wireless Solutions LE910C series At Commands Reference Guide

LE910Cx AT Commands Reference Guide
80502ST10950A Rev. 14 Page 1137 of 1904 2022-03-04
Not Subject to NDA
3.15.18. AT#I2CWR - Write to I2C
This command is used to send data to an I2C peripheral connected to module.
[1] Hardware User's Guide of the used module
SIM Presence
Setting saved
Can be aborted
MAX timeout
SELINT
Not required
No
No
-
2
AT#I2CWR=<sdaPin>,<sclPin>,<deviceId>,<registerId>,<len>
Execution command sends data to an I2C peripheral connected to module
GPIOs. After the writing activity has been accomplished, the GPIOs will not
be restored to the original setting. Use #GPIO command to see the status
of the used GPIOs. To have information on GPIO pins refer to document [1].
Parameters:
Name
Type
Default
Description
<sdaPin>
integer
-
GPIO number for SDA. To know the
range use #I2CWR test command.
<sclPin>
integer
-
GPIO number for SCL. To know the
range use #I2CWR test command.
<deviceId>
hex
N/A
address of the I2C device (7 bits). The
Least Significant Bit is used for
read/write command, but in this
#I2CWR implementation, it doesn't
matter if the LSB is set to 0 or 1.
Address must be written in
hexadecimal form without 0x.
10 bit address is also supported.
Value:
0÷3FF
:
addressing range extended to 10 bit

Telit Wireless Solutions LE910C series Specifications

General

Brand	Telit Wireless Solutions
Model	LE910C series
Category	Wireless modules
Language	English