MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 279

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MC68HC908AB32

Manufacturer Part Number
MC68HC908AB32
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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16.1 Contents
MC68HC908AB32
MOTOROLA
Technical Data — MC68HC908AB32
Section 16. Serial Peripheral Interface Module (SPI)
Rev. 1.0
16.2
16.3
16.4
16.5
16.5.1
16.5.2
16.6
16.6.1
16.6.2
16.6.3
16.6.4
16.7
16.8
16.8.1
16.8.2
16.9
16.10 Resetting the SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
16.11 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
16.11.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
16.11.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
16.12 SPI During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 300
16.13 I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
16.13.1 MISO (Master In/Slave Out) . . . . . . . . . . . . . . . . . . . . . . . . 301
16.13.2 MOSI (Master Out/Slave In) . . . . . . . . . . . . . . . . . . . . . . . . 301
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Pin Name Conventions and I/O Register Addresses . . . . . . . 281
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Transmission Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Queuing Transmission Data . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
Serial Peripheral Interface Module (SPI)
Master Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Slave Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Clock Phase and Polarity Controls. . . . . . . . . . . . . . . . . . . 285
Transmission Format When CPHA = 0 . . . . . . . . . . . . . . . 286
Transmission Format When CPHA = 1 . . . . . . . . . . . . . . . 288
Transmission Initiation Latency . . . . . . . . . . . . . . . . . . . . . 289
Overflow Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Mode Fault Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Go to: www.freescale.com
Technical Data
279

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