Chapter 9: Using User Flash Memory in MAX II Devices
Software Support for UFM Block
9–23
Figure 9–22.
altufm Megafunction Symbol For the I
2
C Interface Instantiation in the Quartus II
Software
shows page 3 of the altufm MegaWizard Plug-In Manager when selecting
I
2
C as the interface. On this page, you can choose whether to implement the
read/write mode or read-only mode for the UFM. You also have an option to choose
the memory size for the altufm_i2c megafunction as well as defining the four MSBs of
the slave address (default 1010).
Figure 9–23.
Page 3 of the altufm MegaWizard Plug-In Manager (I
2
C)
1
The UFM block’s internal oscillator is always running when the altufm_i2c
megafunction is instantiated for both read-only and read/write interfaces.
shows page 4 of the altufm MegaWizard Plug-In Manager. You can select
the optional write protection and erase operation methods on this page.
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