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EEPROM
The board has 32Kb EEPROM. With the benefit of I2C bus, users could use it as residence of user
data like version information, MAC address or other description substance.
Figure 4-36
gives the
schematic view of the EEPROM. The configured access address of EEPROM is 0xA0 for writing
and 0xA1 for reading.
Figure 4-36 Connections between FPGA and EEPROM
SD Card
Many applications use a large external storage device, such as SD Card or CF card, for storing data.
The DE2-115 board provides the hardware needed for SD Card access. Users can implement
custom controllers to access the SD Card in SPI mode and SD Card 4-bit or 1-bit mode.
Figure
4-37
shows the related signals.
Finally,
Table 4-27~Table 4-30
lists all the associated pins for interfacing FPGA respectively.
65
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