I2C data: Difference between revisions
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{{Port | {{Port | ||
|Number=$113B | |Number=$113B | ||
|ShortDesc=Sets and reads the I2C SDA line | |ShortDesc=Sets and reads the I2C SDA line | ||
|Readable=Yes | |Readable=Yes | ||
|Writable=Yes | |Writable=Yes | ||
|Subsystem=I2C | |||
|PortMask=%0001 0001 0011 1011 ?? | |||
}} | }} | ||
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. | |||
Revision as of 16:01, 6 December 2017
| Number | PortNumber::$113B |
|---|---|
| Decimal | NumberDec:: |
| Short desc. | ShortDesc::Sets and reads the I2C SDA line |
| Bit Mask | [[PortMask::%0001 0001 0011 1011 ??]] |
| Readable | Readable::Yes |
| Writable | Writable::Yes |
| Subsystem | 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.