MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 248

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Serial Peripheral Interface (SPI)
17.2 Introduction
17.3 Features
Advance Information
248
17.13.3 SPSCK (Serial Clock). . . . . . . . . . . . . . . . . . . . . . . . . . . . .269
17.13.4 SS (Slave Select) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
17.13.5 V
17.14 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
17.14.1 SPI Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
17.14.2 SPI Status and Control Register . . . . . . . . . . . . . . . . . . . . 274
17.14.3 SPI Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
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:
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
I
2
C (Inter-Integrated Circuit) Compatibility
Serial Peripheral Interface (SPI)
SS
Go to: www.freescale.com
(Clock Ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
68HC908AZ32A — Rev 0.0
MOTOROLA
2)