Difference between revisions of "I2C data"
From SpecNext official Wiki
| Line 11: | Line 11: | ||
When read, it reads the SDA line, SDA --> D0 | When read, it reads the SDA line, SDA --> D0 | ||
| − | Note that I2C uses open collector outputs, the idle, released state is '1'. So if you want to read the line, you have to set it to '1' first | + | Note that I2C uses open collector outputs, the idle, released state is '1'. So if you want to read the line, you have to set it to '1' first. |
| − | |||
| − | |||
| − | . | ||
Revision as of 13:42, 15 April 2019
| Number | $113B |
|---|---|
| Decimal | |
| Short desc. | Sets and reads the I2C SDA line |
| Bit Mask | %0001 0001 0011 1011 ?? |
| Readable | Yes |
| Writable | Yes |
| Subsystem | I2C |
When write, it sets the SDA line, D0 --> SDA
When read, it reads the SDA line, SDA --> D0
Note that I2C uses open collector outputs, the idle, released state is '1'. So if you want to read the line, you have to set it to '1' first.