S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
515
Chapter 13
Serial Peripheral Interface (S12SPIV5)
13.1
Introduction
The SPI module allows a duplex, synchronous, serial communication between the MCU and peripheral
devices. Software can poll the SPI status flags or the SPI operation can be interrupt driven.
13.1.1
Glossary of Terms
13.1.2
Features
The SPI includes these distinctive features:
•
Master mode and slave mode
•
Selectable 8 or 16-bit transfer width
•
Bidirectional mode
•
Slave select output
•
Mode fault error flag with CPU interrupt capability
•
Double-buffered data register
•
Serial clock with programmable polarity and phase
•
Control of SPI operation during wait mode
13.1.3
Modes of Operation
The SPI functions in three modes: run, wait, and stop.
Table 13-1. Revision History
Revision
Number
Revision Date
Sections
Affected
Description of Changes
V05.00
24 Mar 2005
- Added 16-bit transfer width feature.
SPI
Serial Peripheral Interface
SS
Slave Select
SCK
Serial Clock
MOSI
Master Output, Slave Input
MISO
Master Input, Slave Output
MOMI
Master Output, Master Input
SISO
Slave Input, Slave Output
Содержание MC9S12ZVHL32
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Страница 788: ...Appendix A MCU Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 788 Freescale Semiconductor...
Страница 794: ...Appendix B ADC Electricals S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 794 Freescale Semiconductor...
Страница 798: ...Appendix D IRC Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 798 Freescale Semiconductor...
Страница 802: ...Appendix F MSCAN Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 802 Freescale Semiconductor...
Страница 806: ...Appendix G NVM Electrical Parameters S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 806 Freescale Semiconductor...
Страница 810: ...Appendix H BATS Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 810 Freescale Semiconductor...
Страница 816: ...Appendix K OSC32K Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 816 Freescale Semiconductor...
Страница 822: ...Appendix L SPI Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 822 Freescale Semiconductor...
Страница 826: ...Appendix M LINPHY Electrical Specifications S12ZVHY S12ZVHL Family Reference Manual Rev 1 05 826 Freescale Semiconductor...
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