Difference between revisions of "I2C clock"
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(Created page with "{{Port |Number=$3B10 |ShortDesc=Sets and reads the I2C SCL line. |Readable=No |Writable=No }}") |
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{{Port | {{Port | ||
| − | |Number=$ | + | |Number=$103B |
| + | |NumberDec=4155 | ||
| + | |PortMask=%0001 0000 0011 1011 ?? | ||
|ShortDesc=Sets and reads the I2C SCL line. | |ShortDesc=Sets and reads the I2C SCL line. | ||
| − | |Readable= | + | |Readable=Yes |
| − | |Writable= | + | |Writable=Yes |
| + | |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. | ||
Latest revision as of 11:01, 4 May 2020
| Number | $103B |
|---|---|
| Decimal | 4155 |
| Short desc. | Sets and reads the I2C SCL line. |
| Bit Mask | %0001 0000 0011 1011 ?? |
| Readable | Yes |
| Writable | Yes |
| 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.