MC68HC908AP16CFA MOTOROLA [Motorola, Inc], MC68HC908AP16CFA Datasheet - Page 16
MC68HC908AP16CFA
Manufacturer Part Number
MC68HC908AP16CFA
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AP16CFA.pdf
(440 pages)
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Table of Contents
Data Sheet
16
15.1
15.2
15.3
15.4
15.4.1
15.4.2
15.5
15.5.1
15.5.2
15.5.3
15.5.4
15.6
15.7
15.7.1
15.7.2
15.8
15.9
15.10 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
15.10.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .308
15.10.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .308
15.11 SPI During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 309
15.12 I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
15.12.1 MISO (Master In/Slave Out) . . . . . . . . . . . . . . . . . . . . . . . . 310
15.12.2 MOSI (Master Out/Slave In) . . . . . . . . . . . . . . . . . . . . . . . . 310
15.12.3 SPSCK (Serial Clock). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
15.12.4 SS (Slave Select) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
15.12.5 CGND (Clock Ground) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
15.13 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
15.13.1 SPI Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
15.13.2 SPI Status and Control Register . . . . . . . . . . . . . . . . . . . . 315
15.13.3 SPI Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Freescale Semiconductor, Inc.
Section 15. Serial Peripheral Interface Module (SPI)
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Pin Name Conventions and I/O Register Addresses . . . . . . . 290
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .291
Transmission Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .294
Queuing Transmission Data . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .305
Resetting the SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Master Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Slave Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Clock Phase and Polarity Controls. . . . . . . . . . . . . . . . . . . 294
Transmission Format When CPHA = 0 . . . . . . . . . . . . . . . 295
Transmission Format When CPHA = 1 . . . . . . . . . . . . . . . 297
Transmission Initiation Latency . . . . . . . . . . . . . . . . . . . . . 298
Overflow Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Mode Fault Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Go to: www.freescale.com
MC68HC908AP Family — Rev. 2.5
MOTOROLA
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