Altera User Flash Memory Manuel d'utilisateur télécharger pdf (Page 23)

Table 19: Memory Organization

Address RangeSector

1FFh100h1

0FFh000h0

Using and Accessing UFM Storage

Use the UFM to store data of different memory sizes and data widths. The UFM storage width is 16 bits,

however, you can implement different data widths or a serial interface using the ALTUFM IP core.

Table 20: Data Widths for Logic Array Interfaces

Interface TypeData Width (Bits)Logic Array Interface

Serial8 or 16SPI

ParallelOptions of 3 to 16Parallel

Serial8I2C

Serial16None

Figure 7: MAX II UFM Block Diagram and Interface Signals Block Diagram

OSC 4

Program

Erase

Control

UFM Sector 1

UFM Sector 0

Address

PROGRAM

ERASE

OSC_ENA

RTP_BUSY

BUSY

OSC

Data Register

UFM Block

DRDin

DRDout

ARCLK

ARSHFT

ARDin

DRCLK

DRSHFT

16 16

UFM Operating Modes

There are three UFM block modes:

• Read/stream read

• Program (write)

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Altera User Flash Memory (ALTUFM) IP Core User Guide

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Using and Accessing UFM Storage

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2014.08.18

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Altera User Flash Memory Manuel d'utilisateur Page 23

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