5.1.5 I2C_GetSCLSDAStatus Command and Its Response

The I2C_GetSCLSDAStatus command (0x4C) reads the current logic states of the SCL and SDA lines.

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

Table 5-15. I2C_GetSCLSDAStatus - Command
Byte IndexCommandDescription
00x4CCommand codeReturns the state of the SCL and SDA lines
Table 5-16. I2C_GetSCLSDAStatus - Response
Byte IndexResponseDescription
00x4CReturn command codeReturns the command code
1

0x21

Accepted - success

The I2C_GetSCLSDAStatus command is accepted

20x11SCL = SDA = HighReturns the current logical state of the SCL and SDA lines
0x01SCL = High , SDA = Low
0x10SCL = Low, SDA = High
0x00SCL = SDA = Low