MC68HC08AZ16 Datasheet, PDF (231/527 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Serial Peripheral Interface Module (SPI)
For a slave, the transmit data buffer allows back-to-back transmissions
to occur without the slave having to time the write of its data between the
transmissions. Also, if no new data is written to the data buffer, the last
value contained in the shift register will be the next data word
transmitted.
MC68HC08AZ32
230
Serial Peripheral Interface Module (SPI)
22-spi
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