Zynq UltraScale+ Devices Register Reference > Module Summary > USB3_XHCI Module > GTXFIFOSIZ2 (USB3_XHCI) Register

GTXFIFOSIZ2 (USB3_XHCI) Register

GTXFIFOSIZ2 (USB3_XHCI) Register Description

Register NameGTXFIFOSIZ2
Relative Address0x000000C308
Absolute Address 0x00FE20C308 (USB3_0_XHCI)
0x00FE30C308 (USB3_1_XHCI)
Width32
TyperwNormal read/write
Reset Value0x01C60184
DescriptionTransmit FIFOn RAM Start Address
This field contains the memory start address for TxFIFOn in MDWIDTH-bit words.

GTXFIFOSIZ2 (USB3_XHCI) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
TXFSTADDR_N31:16rwNormal read/write0x1C6Transmit FIFOn RAM Start Address
This field contains the memory start address for TxFIFOn in MDWIDTH-bit words.
TXFDEP_N15:0rwNormal read/write0x184TxFIFO Depth
This field contains the depth of TxFIFOn in MDWIDTH-bit words.
- Minimum value: 32
- Maximum value: 32,768