I2C clock: Difference between revisions
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{{Port | {{Port | ||
|Number=$103B | |Number=$103B | ||
|ShortDesc=Sets and reads the I2C SCL line. | |||
|Readable=Yes | |||
|Writable=Yes | |||
|Subsystem=I2C | |||
|PortMask=%0001 0000 0011 1011 ?? | |PortMask=%0001 0000 0011 1011 ?? | ||
}} | }} | ||
When write, it sets the SCL line, D0 --> SCL | |||
When read, it reads the SCL line, SCL --> 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 16:04, 6 December 2017
| Number | PortNumber::$103B |
|---|---|
| Decimal | NumberDec:: |
| Short desc. | ShortDesc::Sets and reads the I2C SCL line. |
| Bit Mask | [[PortMask::%0001 0000 0011 1011 ??]] |
| Readable | Readable::Yes |
| Writable | Writable::Yes |
| Subsystem | Subsystem::I2C |
When write, it sets the SCL line, D0 --> SCL When read, it reads the SCL line, SCL --> 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.