Freescale Semiconductor, Inc.
Serial Peripheral Interface (SPI)
11.3 Features
Features of the SPI include:
• Full-duplex operation
• Master and slave modes
• Four programmable master mode frequencies (1.05 MHz
maximum)
• 2.1-MHz maximum slave mode frequency
• Serial clock with programmable polarity and phase
• End of transmission interrupt flag
• Write collision error flag
• Bus contention error flag
Figure 11-1 shows the structure of the SPI module. Figure 11-2 is a
summary of the SPI input/output (I/O) registers.
Technical Data
140
MC68HC705C8A — Rev. 3
Serial Peripheral Interface (SPI)
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