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Altera_Forum
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11 years ago

Help with making an osciloscope on NIOS II

Good day every one! I would like to make a simple 6 channel, 250 kSa oscilloscope using NIOS II/f. I am using DE0-NANO (Cyclone IV, 32 MB SDRAM) and I already have device built (6 channel ADC co...
Altera_Forum's avatar
Altera_Forum
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11 years ago

I'd use a FIFO buffer between the PIOs and the sdram.

The PIOs needs to be read exactly at the 250ks x 6 rate , otherwise you'll lose data.

I'm concerned dma+sdram can allow such a regular access, especially if sdram is being accessed by other devices.