RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 894
Dec 10, 2015
15.6 Clock Synchronous Serial Communication with SPI Function
All the channels (channels 0 and 1 of SAU0 and channels 0 and 1 of SAU1) correspond to the clock synchronous serial
communication with SPI function.
[Data transmission/reception]
• Data length of 7 to 16 bits
• Phase control of transmit/receive data
• MSB/LSB first selectable
• Level setting of transmit/receive data
[Clock control]
• Master/slave selection
• Phase control of I/O clock
• Setting of transfer period by prescaler and internal counter of each channel
[Interrupt function]
• Transfer end interrupt/buffer empty interrupt
[Error detection flag]
• Overrun error
[Expansion function]
• Slave select function
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