RM0090: Reference manual - STMicroelectronics

USB on-the-go full-speed (OTG_FS) RM0090
Table 169. Core global control and status registers (CSRs) (continued)
Acronym
OTG_FS_GRXSTSR 0x01C
OTG_FS_GRXSTSP 0x020
Host-mode CSR map
These registers must be programmed every time the core changes to host mode.
1043/1416 Doc ID 018909 Rev 3
OTG_FS Receive status debug read/OTG status read and pop registers
(OTG_FS_GRXSTSR/OTG_FS_GRXSTSP) on page 1062
OTG_FS_GRXFSIZ 0x024 OTG_FS Receive FIFO size register (OTG_FS_GRXFSIZ) on page 1063
OTG_FS_HNPTXFSIZ/
OTG_FS_DIEPTXF0 (1)
0x028
OTG_FS_HNPTXSTS 0x02C
OTG_FS_GCCFG 0x038
OTG_FS Host non-periodic transmit FIFO size register
(OTG_FS_HNPTXFSIZ)/Endpoint 0 Transmit FIFO size
(OTG_FS_DIEPTXF0)
OTG_FS non-periodic transmit FIFO/queue status register
(OTG_FS_HNPTXSTS) on page 1064
OTG_FS general core configuration register (OTG_FS_GCCFG) on
page 1065
OTG_FS_CID 0x03C OTG_FS core ID register (OTG_FS_CID) on page 1066
OTG_FS_HPTXFSIZ 0x100
OTG_FS_DIEPTXFx
Address
offset
0x104
0x124
...
0x138
Register name
OTG_FS Host periodic transmit FIFO size register (OTG_FS_HPTXFSIZ) on
page 1067
OTG_FS device IN endpoint transmit FIFO size register
(OTG_FS_DIEPTXFx) (x = 1..3, where x is the FIFO_number) on page 1068
1. The general rule is to use OTG_FS_HNPTXFSIZ for host mode and OTG_FS_DIEPTXF0 for device mode.
Table 170. Host-mode control and status registers (CSRs)
Acronym
Offset
address
Register name
OTG_FS_HCFG 0x400 OTG_FS Host configuration register (OTG_FS_HCFG) on page 1068
OTG_FS_HFIR 0x404 OTG_FS Host frame interval register (OTG_FS_HFIR) on page 1069
OTG_FS_HFNUM 0x408
OTG_FS_HPTXSTS 0x410
OTG_FS_HAINT 0x414
OTG_FS_HAINTMSK 0x418
OTG_FS_HPRT 0x440
OTG_FS Host frame number/frame time remaining register
(OTG_FS_HFNUM) on page 1070
OTG_FS_Host periodic transmit FIFO/queue status register
(OTG_FS_HPTXSTS) on page 1070
OTG_FS Host all channels interrupt register (OTG_FS_HAINT) on
page 1071
OTG_FS Host all channels interrupt mask register (OTG_FS_HAINTMSK)
on page 1072
OTG_FS Host port control and status register (OTG_FS_HPRT) on
page 1072