This document introduces the features and characteristics of Altera User Flash Memory (ALTUFM) Megafunction
This Altera User Flash Memory (ALTUFM) Megafunction User Guide describes a megafunction that provides interface logic for parallel, SPI, I2C, and the dedicated UFM serial interface. The document covers features, device support for MAX II and MAX V devices, resource utilization, and parameter settings.
It also describes UFM memory organization, operating modes, ports for the ALTUFM_PARALLEL, ALTUFM_SPI, ALTUFM_I2C, and ALTUFM_NONE variations, and a design example using the SPI interface. The guide includes simulation steps in the Quartus II and ModelSim-Altera software.
| Non-volatile storage | Up to 8K bits |
|---|---|
| Sectors | Two sectors for partitioned sector erase |
| Interface protocols | parallel, SPI, I2C, and none (use dedicated UFM) |
| Device support | MAX II and MAX V devices |
| Memory initialization | Memory Initialization File or HEX File |
| Built-in oscillator | Provides oscillator frequency for the user flash memory |
It supports MAX II and MAX V devices.
It provides interface logic for parallel, SPI, I2C, and the built-in dedicated UFM serial interface.
It provides up to 8K bits for non-volatile storage.
Two sectors are available for partitioned sector erase.