Zynq UltraScale+ Devices Register Reference > Module Summary > QSPI Module > TXD0 (QSPI) Register

TXD0 (QSPI) Register

TXD0 (QSPI) Register Description

Register NameTXD0
Relative Address0x000000001C
Absolute Address 0x00FF0F001C (QSPI)
Width32
TypewoWrite-only
Reset Value0x00000000
DescriptionTransmit Data, 4 Bytes

Keyhole addresses for the Transmit data FIFO. See also TXD1-3.

TXD0 (QSPI) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
TXD31:0woWrite-only0x0Data to TX FIFO, for 4-byte instruction for normal read/write data transfer.