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GPIF II Designer 1.0

Doc. No 001-75664 Rev. *C

Cypress Semiconductor

198 Champion Court

San Jose, CA 95134-1709

Phone (USA): 800.858.1810

Phone (Intnl): 408.943.2600

http://www.cypress.com

Copyrights

2 Document No. 001-75664 Rev. *C GPIF II Designer 1.0

Copyrights

Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a

Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted

nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an

express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical

components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury

to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all

risk of such use and in doing so indemnifies Cypress against all charges.

Trademarks

PSoC Designer™, Programmable System-on-Chip™, PSoC Creator™, and SmartSense™ are trademarks and PSoC

and

CapSense

are registered trademarks of Cypress Semiconductor Corp. All other trademarks or registered trademarks

referenced herein are property of the respective corporations.

Source Code

Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected

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creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress

integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or

representation of this Source Code except as specified above is prohibited without the express written permission of

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Disclaimer

CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL,

INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described

herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein.

Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure

may reasonably be expected to result in significant injury to the user. The inclusion of Cypress‟ product in a life-support

systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against

all charges.

Use may be limited by and subject to the applicable Cypress software license agreement.

GPIF II Designer 1.0 Document No. 001-75664 Rev. *C 3

Contents

GPIF II Designer 1.0 ............................................................................................................................................................... 1

Contents ................................................................................................................................................................................. 3

1. Introduction .................................................................................................................................................................... 5

1.1 Welcome ............................................................................................................................................................... 5

1.2 About Help ............................................................................................................................................................. 5

1.3 Technical Support .................................................................................................................................................. 6

1.4 Document Revision History ................................................................................................................................... 6

2. Getting Started ............................................................................................................................................................... 7

2.1 Creating a GPIF II Project ..................................................................................................................................... 8

2.2 Designing a GPIF II Interface ................................................................................................................................ 9

2.3 Integrating GPIF II Configuration ........................................................................................................................... 9

2.4 Analyzing Signal Timings of the Interface ............................................................................................................ 10

3. Understanding GPIF II Designer ................................................................................................................................. 11

3.1 Concepts ............................................................................................................................................................. 11

3.1.1 Cypress Supplied Interfaces ................................................................................................................... 11

3.1.2 Interface Concepts.................................................................................................................................. 12

3.1.3 FX3 DMA Architecture ............................................................................................................................ 13

3.1.4 GPIF II State Machine Concepts ............................................................................................................ 14

3.1.5 Timing Simulation Concepts ................................................................................................................... 14

3.2 User Interface ...................................................................................................................................................... 15

3.2.1 Start Page ............................................................................................................................................... 15

3.2.2 Interface Definition .................................................................................................................................. 15

3.2.3 Interface Customization .......................................................................................................................... 18

3.2.4 State Machine Canvas ............................................................................................................................ 18

3.2.5 Timing ..................................................................................................................................................... 20

3.2.6 Output Window and Notice List Window ................................................................................................. 22

3.2.7 Documentation and Context Help ........................................................................................................... 22

3.3 Tabs, Menus, and Shortcuts ................................................................................................................................ 23

3.3.1 Application Toolbar ................................................................................................................................. 23

3.3.2 File Menu ................................................................................................................................................ 23

3.3.3 View Menu .............................................................................................................................................. 24

3.3.4 Build Menu .............................................................................................................................................. 24

3.3.5 Timing Simulation ................................................................................................................................... 24

Contents

4 Document No. 001-75664 Rev. *C GPIF II Designer 1.0

3.3.6 Help Menu .............................................................................................................................................. 24

3.3.7 Shortcut Keys ......................................................................................................................................... 25

4. Programming GPIF II State Machine .......................................................................................................................... 26

4.1 GPIF II Overview ................................................................................................................................................. 26

4.2 GPIF II State Machine ......................................................................................................................................... 27

4.3 GPIF II Actions .................................................................................................................................................... 27

4.3.1 Action - IN_ADDR ................................................................................................................................... 32

4.3.2 Action - IN_DATA ................................................................................................................................... 32

4.3.3 Action - DR_DATA .................................................................................................................................. 33

4.3.4 Action - DR_ADDR ................................................................................................................................. 34

4.3.5 Action - COMMIT .................................................................................................................................... 34

4.3.6 Action - DR_GPIO .................................................................................................................................. 35

4.3.7 Action - LD_ADDR_COUNT ................................................................................................................... 36

4.3.8 Action - LD_DATA_COUNT .................................................................................................................... 37

4.3.9 Action - LD_CTRL_COUNT .................................................................................................................... 38

4.3.10 Action - COUNT_ADDR .......................................................................................................................... 38

4.3.11 Action - COUNT_DATA .......................................................................................................................... 38

4.3.12 Action - COUNT_CTRL .......................................................................................................................... 38

4.3.13 Action - CMP_ADDR .............................................................................................................................. 38

4.3.14 Action - CMP_DATA ............................................................................................................................... 39

4.3.15 Action - CMP_CTRL ............................................................................................................................... 40

4.3.16 Action - INTR_CPU ................................................................................................................................. 40

4.3.17 Action - INTR_HOST .............................................................................................................................. 40

4.3.18 Action - DR_DRQ ................................................................................................................................... 41

4.4 GPIF II Transition Equations and Triggers .......................................................................................................... 42

4.5 GPIF II Constraints .............................................................................................................................................. 43

4.5.1 Mirror States ........................................................................................................................................... 43

4.5.2 Intermediate States ................................................................................................................................. 47

4.6 Designing a GPIF II State Machine ..................................................................................................................... 47

4.6.1 Illustration of Implementing Asynchronous SRAM Interface ................................................................... 48

4.6.2 Analyzing Timing .................................................................................................................................... 56

4.7 GPIF II firmware API ............................................................................................................................................ 57