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Altera_Forum
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13 years ago

programming cyclone IV with microcontroller

Hi this is franticAF and this is my first post. I'm working on board where an Altera Cyclone IV EP4CE6E22I7N is mounted (with attached flash memory EPCS4). A microcontroller is also present in ...
Altera_Forum's avatar
Altera_Forum
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13 years ago

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Again, if you can provide how the MCU is connected to the FPGA, I can help you better.

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the MCU is connected to FPGA through 16 I/O pin (8 bit address + 8 bit data) for internal register parallel read/write operations and also the SPI interface of micro is connected to FPGA. Others signals are not connected to MCU. DATA0,DCLK only from flash to FPGA. nConfig,nstatus,conf_done unconnected.