ST STM32F205 series Reference Manual page 1008

USB on-the-go full-speed (OTG_FS)
Bits 31:22 Reserved, must be kept at reset value.
Bit 21 NOVBUSSENS: V
Bit 20 SOFOUTEN: SOF output enable
Bit 19 VBUSBSEN: Enable the V
Bit 18 VBUSASEN: Enable the V
Bit 17 Reserved, must be kept at reset value.
Bit 16 PWRDWN: Power down
Used to activate the transceiver in transmission/reception
Bits 15:0 Reserved, must be kept at reset value.
OTG_FS core ID register (OTG_FS_CID)
Address offset: 0x03C
Reset value:0x0000 1200
This is a register containing the Product ID as reset value.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:0 PRODUCT_ID: Product ID field
Application-programmable ID field.
1008/1378
sensing disable option
BUS
When this bit is set, V
BUS
option removes the need for a dedicated V
other purposes such as a shared functionality. V
another general purpose input pad and monitored by software.
This option is only suitable for host-only or device-only applications.
0: V sensing available by hardware
BUS
1: V sensing not available by hardware.
BUS
0: SOF pulse not available on PAD (OTG_FS_SOF)
1: SOF pulse available on PAD (OTG_FS_SOF)
0: V sensing "B" disabled
BUS
1: V sensing "B" enabled
BUS
0: V sensing "A" disabled
BUS
1: V sensing "A" enabled
BUS
0: Power down active
1: Power down deactivated ("Transceiver active")
is considered internally to be always at V
pad, and leave this pad free to be used for
BUS
BUS
sensing "B" device
BUS
sensing "A" device
BUS
PRODUCT_ID
RM0033 Rev 8
valid level (5 V). This
BUS
connection can be remapped on
9 8 7 6 5 4
RM0033
3 2 1 0