User`s manual
RX62N Group, RX621 Group 3. Types and definitions
2.24. I²C Bus Interface Driver
The driver functions support the use of the two I²C modules, providing the following operations.
1. Configuration for use, including
• Automatic clock setting using transfer rate as an input.
• Automatic interrupt control
• Automatic I/O pin configuration
2. Disabling modules that are no longer required and enabling low-power mode.
3. Transmitting data in Master mode.
4. Receiving data in Master mode.
5. Completing the reception of data in Master mode.
6. Monitoring the bus and handling the reception of data in Slave mode.
7. Transmitting data in Slave mode.
8. Control of one or more units, including bus lock-up recovery support.
9. Reading the status of a module.
Note: The Clock Generation Circuit must be configured before configuring any I²C module.
R20UT0084EE0112 Rev.1.12 Page 2-21
July. 16, 2014