AN 265: Using Altera MAX Series as Microcontroller I/O Expanders

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ID 683386
Date 9/22/2014
Public
Document Table of Contents
Document Table of Contents x
1. Using Altera MAX Series as Microcontroller I/O Expanders
1. Using Altera MAX Series as Microcontroller I/O Expanders x
1.1. Advantages of Using Altera Devices as I/O Expanders 1.2. Microcontroller I/O Expander Implementation 1.3. Microcontroller I/O Expander Configuration 1.4. Resource Usage in Microcontroller I/O Expander Target Devices 1.5. Microcontroller I/O Expander Design Verification 1.6. Microcontroller I/O Expander Application 1.7. Document Revision History
1.2. Microcontroller I/O Expander Implementation x
1.2.1. Pin Functions in the Microcontroller I/O Expander 1.2.2. Functional Description of the Microcontroller I/O Expander
1.5. Microcontroller I/O Expander Design Verification x
1.5.1. Simulating Microcontroller I/O Expander Write Mode Timing 1.5.2. Simulating Microcontroller I/O Expander Read Mode Timing
1. Using Altera MAX Series as Microcontroller I/O Expanders

1.6. Microcontroller I/O Expander Application

You can modify the example design to target any 8-bit microcontroller such as the PIC and 8051 microcontrollers.
Figure 4. Increasing Microcontroller I/O Ports Using the Microcontroller I/O ExpanderThis figure shows the I/O expander applied to a microcontroller system to increase the number of I/O ports of the microcontroller.


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