mc68hc908as60 Freescale Semiconductor, Inc, mc68hc908as60 Datasheet - Page 260

• Manufacturer Part Number: mc68hc908as60
• Description: Mc68hc908as60 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Serial Peripheral Interface (SPI)
18.2 Introduction
18.3 Features
Technical Data
18.13.3 SPSCK (Serial Clock). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
18.13.4 SS (Slave Select) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
18.13.5 V
18.14 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
18.14.1 SPI Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
18.14.2 SPI Status and Control Register . . . . . . . . . . . . . . . . . . . . 285
18.14.3 SPI Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
This section describes the serial peripheral interface (SPI) module,
which allows full-duplex, synchronous, serial communications with
peripheral devices.
Features of the SPI module include:
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Freescale Semiconductor, Inc.
For More Information On This Product,
Full-duplex operation
Master and slave modes
Double-buffered operation with separate transmit and receive
registers
Four master mode frequencies (maximum = bus frequency
Maximum slave mode frequency = bus frequency
Serial clock with programmable polarity and phase
Two separately enabled interrupts with CPU service:
– SPRF (SPI receiver full)
– SPTE (SPI transmitter empty)
Mode fault error flag with CPU interrupt capability
Overflow error flag with CPU interrupt capability
Programmable wired-OR mode
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C (inter-integrated circuit) compatibility
Serial Peripheral Interface (SPI)
SS
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(Clock Ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
MC68HC908AS60 — Rev. 1.0
2)