When sending less than four bytes, you must use TXD[1-3] instead of TXD0. This is described in the Register Overview section of the Quad SPI controller chapter in the Zynq-7000 Technical Reference Manual (UG585).
AR# 54360 | |
---|---|
Date | 06/13/2018 |
Status | Active |
Type | General Article |
Devices | |
Tools |