TRANSFER_SIZE (QSPI) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

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

TRANSFER_SIZE (QSPI) Register Description

Register NameTRANSFER_SIZE
Offset Address0x00000000C4
Absolute Address 0x00FF0F00C4 (QSPI)
Width32
TypemixedMixed types. See bit-field details.
Reset Value0x00000000
DescriptionTransfer Size

TRANSFER_SIZE (QSPI) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
Reserved31:29razRead as zero0x0RESERVED. Return 0 when read. Writes ignored.
SIZE28:2woWrite-only0x0Specifies the number of 4-byte words the QSPI will read from memory
Size is word aligned, so this field is only 27-bits. (2 lsbs are 0)
The value in this register signifies the number of words to be read from memory.
This is a static signal - should not be changed while controller is actively transmitting/receiving data to/from Flash device
Reserved 1:0razRead as zero0x0RESERVED. Return 0 when read. Writes ignored.