USB on-the-go full-speed/high-speed (OTG_FS/OTG_HS) RM0390
1106/1328 RM0390 Rev 4
Host-mode CSR map
These registers must be programmed every time the core changes to host mode.
OTG_GRXSTSR 0x01C
Section 31.15.8: OTG receive status debug read/OTG status read and pop
registers (OTG_GRXSTSR/OTG_GRXSTSP)
OTG_GRXSTSP 0x020
OTG_GRXFSIZ 0x024 Section 31.15.9: OTG receive FIFO size register (OTG_GRXFSIZ)
OTG_HNPTXFSIZ/
OTG_DIEPTXF0
(1)
0x028
Section 31.15.10: OTG host non-periodic transmit FIFO size register
(OTG_HNPTXFSIZ)/Endpoint 0 Transmit FIFO size (OTG_DIEPTXF0)
OTG_HNPTXSTS 0x02C
Section 31.15.11: OTG non-periodic transmit FIFO/queue status register
(OTG_HNPTXSTS)
OTG_GCCFG 0x038 Section 31.15.12: OTG general core configuration register (OTG_GCCFG)
OTG_CID 0x03C Section 31.15.13: OTG core ID register (OTG_CID)
OTG_GLPMCFG 0x54 Section 31.15.14: OTG core LPM configuration register (OTG_GLPMCFG)
OTG_HPTXFSIZ 0x100
Section 31.15.15: OTG host periodic transmit FIFO size register
(OTG_HPTXFSIZ)
OTG_DIEPTXFx
0x104
0x108
...
0x114
Section 31.15.16: OTG device IN endpoint transmit FIFO size register
(OTG_DIEPTXFx) (x = 1..5[FS] /8[HS], where x is the FIFO number) for
USB_OTG FS
OTG_DIEPTXFx
0x104
0x108
...
0x120
Section 31.15.16: OTG device IN endpoint transmit FIFO size register
(OTG_DIEPTXFx) (x = 1..5[FS] /8[HS], where x is the FIFO number) for
USB_OTG HS
1. The general rule is to use OTG_HNPTXFSIZ for host mode and OTG_DIEPTXF0 for device mode.
Table 223. Core global control and status registers (CSRs) (continued)
Acronym
Address
offset
Register name
Table 224. Host-mode control and status registers (CSRs)
Acronym
Offset
address
Register name
OTG_HCFG 0x400 Section 31.15.18: OTG host configuration register (OTG_HCFG)
OTG_HFIR 0x404 Section 31.15.19: OTG host frame interval register (OTG_HFIR)
OTG_HFNUM 0x408
Section 31.15.20: OTG host frame number/frame time remaining register
(OTG_HFNUM)
OTG_HPTXSTS 0x410
Section 31.15.21: OTG_Host periodic transmit FIFO/queue status register
(OTG_HPTXSTS)
OTG_HAINT 0x414 Section 31.15.22: OTG host all channels interrupt register (OTG_HAINT)
OTG_HAINTMSK 0x418
Section 31.15.23: OTG host all channels interrupt mask register
(OTG_HAINTMSK)
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