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RM0008 USB on-the-go full-speed (OTG_FS)

Doc ID 13902 Rev 12 851/1096

OTG_FS core ID register (OTG_FS_CID)

Address offset: 0x03C

Reset value:0x00001000

This is a read only register containing the Product ID.

OTG_FS Host periodic transmit FIFO size register (OTG_FS_HPTXFSIZ)

Address offset: 0x100

Reset value: 0x0200 0600

Bit 17 Reserved

Bit 16 PWRDWN: Power down

Used to activate the transceiver in transmission/reception

0: Power down active

1: Power down deactivated (“Transceiver active”)

Bits 15:0 Reserved.

313029282726252423222120191817161514131211109876543210

PRODUCT_ID

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.

313029282726252423222120191817161514131211109876543210

PTXFSIZ PTXSA

r/r

Bits 31:16 PTXFD: Host periodic TxFIFO depth

This value is in terms of 32-bit words.

Minimum value is 16

Bits 15:0 PTXSA: Host periodic TxFIFO start address

The power-on reset value of this register is the sum of the largest Rx data FIFO depth and

largest non-periodic Tx data FIFO depth.

ST STM32F101xx User Manual

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