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Zynq-7000 AP SoC Technical Reference Manual www.xilinx.com 1831
UG585 (v1.11) September 27, 2016
Appendix B: Register Details
Register FRINDEX Details
This register is used by the host controller to index the periodic frame list. The register updates every 125
us (once each micro-frame).
Register (usb) PERIODICLISTBASE_DEVICEADDR
Register PERIODICLISTBASE_DEVICEADDR Details
Host mode: PERIODICLISTBASE.
Device mode: Device Address Advance and
Reset Value 0x00000000
Description Frame List Index
Field Name Bits Type Reset Value Description
FRINDEX 13:0 rw 0x0 Frame Index (EHCI) (Host and Device mode).
Host mode --
Read: current frame index value.
Write: set the frame index value.
Device mode --
Read-only: frame index from received packet.
Name PERIODICLISTBASE_DEVICEADDR
Software Name LISTBASE
Relative Address 0x00000154
Absolute Address usb0: 0xE0002154
usb1: 0xE0003154
Width 32 bits
Access Type mixed
Reset Value 0x00000000
Description Host/Device Address dual-use