TXD1 (QSPI) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID
UG1087
Release Date
2024-03-13
Revision
1.10

TXD1 (QSPI) Register Description

Register NameTXD1
Offset Address0x0000000080
Absolute Address 0x00FF0F0080 (QSPI)
Width32
TypewoWrite-only
Reset Value0x00000000
DescriptionTransmit Data, 1 Byte

Keyhole addresses for the Transmit data FIFO. Software Driver name: XQSPIPS_TXD_01

TXD1 (QSPI) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
TXD31:0woWrite-only0x0Data to TX FIFO, for 1-byte instruction, not for normal data transfer.
In little endian mode (default), only bits 7:0 are valid, bits 31:8 are ignored.
In big endian mode, only the 8 MSB bits are valid.