5.1.1 I²C_Config Command and its Response

The I2C_Config command (0x40) configures the I²C peripheral with the specified clock speed and clock-stretch timeout.

This command is sent through Endpoint 0x03 (OUT). The response is read through Endpoint 0x83 (IN).

Table 5-2. `I2C_Config` - Command
Byte Index	Command		Description
0	`0x40`	Command code	Configures the I²C module with the following settings:
1	`0x70` `0x16` `0x04`	Speed: 100 kHz 400 kHz 1 MHz	I²C clock speed
2	`0x01` `0x02` … `0xFA`	Timeout: 1 ms 2 ms ... 250 ms	I²C clock-stretch timeout

Table 5-3. `I2C_Config` - Response
Byte Index	Response		Description
0	`0x40`	Return command code	Returns whether the `I2C_Config` command was accepted or rejected
1	`0x20`	Accepted – success	The command is accepted
	`0x60`	Rejected – wrong parameters	The command is rejected because the parameters are invalid
	`0x64`	Rejected – I²C is busy	The command is rejected because the I²C module is busy

5.1.1 I2C_Config Command and its Response