User`s manual
RX62N Group, RX621 Group 3. Types and definitions
2.25. Serial Peripheral Interface Driver
The driver functions support the use of the two SPI channels, providing the following operations.
1. Configuration for use, including
• Automatic clock setting using transfer rate as an input.
• Automatic I/O pin configuration
2. Disabling channels that are no longer required and enabling low-power mode.
3. Configuration of command sequence settings.
4. Managing the transfer of data on the interface, including
• Automatic interrupt control
• Automatic DMAC / DTC control.
5. Control of special modes such as loopback.
6. Reading the status of a module.
Note: The Clock Generation Circuit must be configured before configuring any SPI channel.
R20UT0084EE0112 Rev.1.12 Page 2-22
July. 16, 2014