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RM0090: Reference manual - STMicroelectronics

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USB on-the-go full-speed (OTG_FS) <strong>RM0090</strong><br />

OTG_FS Host periodic transmit FIFO size register (OTG_FS_HPTXFSIZ)<br />

Address offset: 0x100<br />

Reset value: 0x0200 0600<br />

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0<br />

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PTXFSIZ PTXSA<br />

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Bits 31:16 PTXFD: Host periodic TxFIFO depth<br />

This value is in terms of 32-bit words.<br />

Minimum value is 16<br />

1067/1416 Doc ID 018909 Rev 3<br />

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Bits 15:0 PTXSA: Host periodic TxFIFO start address<br />

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

largest non-periodic Tx data FIFO depth.<br />

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