RM0090: Reference manual - STMicroelectronics

RM0090 USB on-the-go full-speed (OTG_FS)
Figure 365. CSR memory map
0000h
0400h
0800h
0E00h
1000h
2000h
3000h
2 0000h
3 FFFFh
1. x = 3 in device mode and x = 7 in host mode.
Global CSR map
Core global CSRs (1 Kbyte)
Host mode CSRs (1 Kbyte)
Device mode CSRs (1.5 Kbyte)
Power and clock gating CSRs (0.5 Kbyte)
Device EP 0/Host channel 0 FIFO (4 Kbyte)
Device EP1/Host channel 1 FIFO (4 Kbyte)
Device EP (x – 1) (1) /Host channel (x – 1) (1) FIFO (4 Kbyte)
Device EP x (1) /Host channel x (1) FIFO (4 Kbyte)
Reserved
Direct access to data FIFO RAM
for debugging (128 Kbyte)
These registers are available in both host and device modes.
Table 169. Core global control and status registers (CSRs)
Acronym
Address
offset
Register name
DFIFO
push/pop
to this region
DFIFO
debug read/
write to this
region
ai15615b
OTG_FS_GOTGCTL 0x000 OTG_FS control and status register (OTG_FS_GOTGCTL) on page 1046
OTG_FS_GOTGINT 0x004 OTG_FS interrupt register (OTG_FS_GOTGINT) on page 1048
OTG_FS_GAHBCFG 0x008 OTG_FS AHB configuration register (OTG_FS_GAHBCFG) on page 1050
OTG_FS_GUSBCFG 0x00C OTG_FS USB configuration register (OTG_FS_GUSBCFG) on page 1051
OTG_FS_GRSTCTL 0x010 OTG_FS reset register (OTG_FS_GRSTCTL) on page 1053
OTG_FS_GINTSTS 0x014 OTG_FS core interrupt register (OTG_FS_GINTSTS) on page 1055
OTG_FS_GINTMSK 0x018 OTG_FS interrupt mask register (OTG_FS_GINTMSK) on page 1059
Doc ID 018909 Rev 3 1042/1416