User Manual

vi EP7309/11/12 User’s Manual - DS508UM4
Copyright Cirrus Logic, Inc. 2003
Contents
Chapter 11. General Purpose I/O (GPIO)
Introduction ..................................................................................................................................................... 11-1
Features ............................................................................................................................................................ 11-1
General Purpose I/O (GPIO) Register List ................................................................................................. 11-1
Programming Example .................................................................................................................................. 1 1-2
Operational Overview.................................................................................................................................... 11-2
Register Descriptions ..................................................................................................................................... 11-2
Chapter 12. PWM Interface
Introduction ..................................................................................................................................................... 12-1
Features ............................................................................................................................................................ 12-1
Block Diagram ................................................................................................................................................. 12-1
PWM (Pulse Width Modulator) Register List ............................................................................................12-2
Programming Example .................................................................................................................................. 1 2-2
Operational Overview.................................................................................................................................... 12-2
PWM Register Descriptions .......................................................................................................................... 12-3
Pump Control Register (PMPCON) ..................................................................................................12-3
Chapter 13. Dedicated LED Flasher
Introduction ..................................................................................................................................................... 13-1
LED Flasher Register List .............................................................................................................................. 13-1
Programming Example .................................................................................................................................. 1 3-1
Operational Overview.................................................................................................................................... 13-1
Register Definitions ........................................................................................................................................ 13-2
LED Flasher Register (LEDFLSH)....................................................................................................13-2
Chapter 14. JTAG Interface
Introduction ..................................................................................................................................................... 14-1
Features ............................................................................................................................................................ 14-1
Operational Overview.................................................................................................................................... 14-1
Boundary Scan ......................................................................................................................................... 14-2
Debug Modes ........................................................................................................................................... 14-3
Software Selectable Test Functionality................................................................................................. 14-4
Chapter 15. SSI Port
Introduction ..................................................................................................................................................... 15-1
Features ............................................................................................................................................................ 15-1
SSI Port Register List ...................................................................................................................................... 15-1
Programming Example .................................................................................................................................. 1 5-1
Operational Overview.................................................................................................................................... 15-2
SSI1/ADC Interface................................................................................................................................. 15-2
SSI Port Register Descriptions ...................................................................................................................... 15-4
Synchronous Serial ADC Interface Data Register (SYNCIO)...........................................................15-4
Chapter 16. DAI/CODEC/SSI2
Introduction ..................................................................................................................................................... 16-1
Features ............................................................................................................................................................ 16-1
Block Diagram ................................................................................................................................................. 16-2
DAI/CODEC/SSI2 Register List.................................................................................................................. 16-2
Programming Example .................................................................................................................................. 1 6-2