SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09

23I
2
C
Page 244 of 307
Type Syntax Response Example
supported <bus_mode>s),(list of
supported <bit_rate>),(<device_
address> range),(list of supported
<address_width>s)
OK
OK
23.2.3î™–î™–î™–î™–Defined values
Parameter Type Description
<I2C_controller_
number>
Number I
2
C HW controller to use:
• 1: controller 1
<bus_mode> Number I
2
C bus mode type:
• 0: Bus Mode Standard (0 - 100 kbaud)
• 1: Bus Mode Fast (0 - 400 kbaud)
<bit_rate> Number I
2
C bit rate:
• 0: 100 kb/s
• 1: 400 kb/s
<device_address> Hex Number Device address in HEX format
<address_width> Number I
2
C size of the controller address:
• 0: 7 bit address
• 1: 10 bit address
23.3î™–î™–î™–î™–I
2
C write to peripheral +UI2CW
+UI2CW
SARA-R410M-02B SARA-R410M-52B SARA-R412MModules
SARA-N4
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full No No No - +CME Error
23.3.1î™–î™–î™–î™–Description
Writes the HEX data to the I
2
C slave device of the current logical channel. The HEX data formats are without
0x prefix (see example).
23.3.2î™–î™–î™–î™–Syntax
Type Syntax Response Example
Set AT+UI2CW=<hex_data>,<nof_byte_
to_write>
OK AT+UI2CW="0011AABBCCDDEEFF",
8
OK
Test AT+UI2CW=? +UI2CW: (byte to write),(range of
supported <nof_byte_to_write>)
OK
+UI2CW: "data", (1-100)
OK
23.3.3î™–î™–î™–î™–Defined values
Parameter Type Description
<hex_data> String Hex data sequence without prefix 0x, enclosed in double quotes, to be written to the
I
2
C slave device
<nof_bytes_to_
write>
Number Number of byte to write to the slave I
2
C device. Range: 1-100
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