Motorola MC68328 Informations techniques télécharger pdf (Page 20)

3-2

FLEX Alphanumeric Chip MC68175 Interface

Software Development

3.1 FLEX SYSTEM SOFTWARE. . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3

3.1.1 FLEX One-Way Stack Overview. . . . . . . . . . . . . . . . . . . . . . .3-3

3.1.2 SPI Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4

3.1.3 Enabling the FLEX Alphanumeric Chip. . . . . . . . . . . . . . . . . .3-4

3.1.4 FLEX Alphanumeric Chip and FLEX One-Way Stack Configurations

3-7

3.1.5 Receiving and Processing Paging Messages. . . . . . . . . . . . .3-8

3.2 PORTING FLEX ONE-WAY STACK TO THE MC68328

MPU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10

3.2.1 Creating the SPI Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11

3.2.2 Configuring PORT.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-17

3.2.3 Completing PORT.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-17

3.2.4 Setting up Initialization Buffer . . . . . . . . . . . . . . . . . . . . . . . .3-20

3.2.5 Retrieving Paging Messages from FLEX One-Way

Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-24

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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Motorola MC68328 Informations techniques Page 20