SPMCK16Z4MPV20 datasheet(10/500 Pages) FREESCALE

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M68HC16 Z SERIES

USER’S MANUAL

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Title

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TABLE OF CONTENTS

SECTION 10

MULTICHANNEL COMMUNICATION INTERFACE

10.1

General ....................................................................................................10-1

10.2

MCCI Registers and Address Map ..........................................................10-2

10.2.1

MCCI Global Registers ....................................................................10-2

10.2.1.1

Low-Power Stop Mode ............................................................10-2

10.2.1.2

Privilege Levels .......................................................................10-3

10.2.1.3

MCCI Interrupts .......................................................................10-3

10.2.2

Pin Control and General-Purpose I/O .............................................10-4

10.3

Serial Peripheral Interface (SPI) ..............................................................10-4

10.3.1

SPI Registers ..................................................................................10-6

10.3.1.1

SPI Control Register (SPCR) ..................................................10-6

10.3.1.2

SPI Status Register (SPSR) ....................................................10-6

10.3.1.3

SPI Data Register (SPDR) ......................................................10-6

10.3.2

SPI Pins ...........................................................................................10-6

10.3.3

SPI Operating Modes ......................................................................10-7

10.3.3.1

Master Mode ...........................................................................10-7

10.3.3.2

Slave Mode .............................................................................10-8

10.3.4

SPI Clock Phase and Polarity Controls ...........................................10-8

10.3.4.1

CPHA = 0 Transfer Format .....................................................10-9

10.3.4.2

CPHA = 1 Transfer Format ...................................................10-10

10.3.5

SPI Serial Clock Baud Rate ..........................................................10-11

10.3.6

Wired-OR Open-Drain Outputs .....................................................10-11

10.3.7

Transfer Size and Direction ...........................................................10-11

10.3.8

Write Collision ...............................................................................10-12

10.3.9

Mode Fault ....................................................................................10-12

10.4

Serial Communication Interface (SCI) ...................................................10-13

10.4.1

SCI Registers ................................................................................10-13

10.4.1.1

SCI Control Registers ...........................................................10-13

10.4.1.2

SCI Status Register ...............................................................10-16

10.4.1.3

SCI Data Register .................................................................10-16

10.4.2

SCI Pins ........................................................................................10-16

10.4.3

Receive Data Pins (RXDA, RXDB) ...............................................10-17

10.4.4

Transmit Data Pins (TXDA, TXDB) ...............................................10-17

10.4.5

SCI Operation ................................................................................10-17

10.4.5.1

Definition of Terms ................................................................10-17

10.4.5.2

Serial Formats .......................................................................10-18

10.4.5.3

Baud Clock ............................................................................10-18

10.4.5.4

Parity Checking .....................................................................10-19

10.4.5.5

Transmitter Operation ...........................................................10-19

10.4.5.6

Receiver Operation ...............................................................10-20

Freescale Semiconductor, Inc.

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