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STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and ...

STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and ...

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RM0008<br />

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

OTG_FS device V BUS pulsing time register (OTG_FS_DVBUSPULSE)<br />

Address offset: 0x082C<br />

Reset value: 0x0000 05B8<br />

This register specifies the V BUS pulsing time during SRP.<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 />

DVBUSP<br />

Reserved<br />

rw rw rw rw rw rw rw rw rw rw rw rw<br />

Bits 31:12 Reserved<br />

Bits 11:0 DVBUSP: Device V BUS pulsing time<br />

Specifies the V BUS pulsing time during SRP. This value equals:<br />

V BUS pulsing time in PHY clocks / 1 024<br />

OTG_FS device IN endpoint FIFO empty interrupt mask register:<br />

(OTG_FS_DIEPEMPMSK)<br />

Address offset: 0x834<br />

Reset value: 0x0000 0000<br />

This register is used to control the IN endpoint FIFO empty interrupt generation<br />

(TXFE_OTG_FS_DIEPINTx).<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 />

INEPTXFEM<br />

Reserved<br />

rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw<br />

Bits 31:16 Reserved<br />

Bits 15:0 INEPTXFEM: IN EP Tx FIFO empty interrupt mask bits<br />

These bits act as mask bits for OTG_FS_DIEPINTx.<br />

TXFE interrupt one bit per IN endpoint:<br />

Bit 0 for IN endpoint 0, bit 15 for IN endpoint 15<br />

0: Masked interrupt<br />

1: Unmasked interrupt<br />

Doc ID 13902 Rev 9 761/995

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