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I2C SPeeD
Register Address Register Name Function Read/Write Control
0x18
I2CSPD
I2C speed setting Read/Write
Register Size Register structure Unit
1 Byte Unsigned Int 8 bits none
Description:
I2C speed setting between ~39kHz and 400kHz.
The value of this parameter must be computed with the following formula
based on the wanted speed:
1
2
10
2
7
−=
wanted
CSpeedI
CSPDI
Note:
Speeds greater than 100kHz have some limitations (see page 17).
Do not use a speed greater than 400kHz (<24). Greater speed will not
work.
Default value:
99 (100kHz)
Examples:
Most common speeds:
100kHz : I2CSPD = 99
400kHz : I2CSPD = 24
FMod-TCP User Manual v.2.8