Receive "CYU3P_PIB_ERR_THR1_RD_UNDERRUN" when write to FPGA

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zqli_4003376
Level 1
Level 1

Hi,

I got continued "CYU3P_PIB_ERR_THR1_RD_UNDERRUN" flag when wrote about 200K data to FPGA with below setting:

GPIF:32bit

DMA buffer size:16384

DMA count:4

host write 16384 every time

Could U help to explain this?

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