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STR720 Datasheet(PDF) 280 Page - STMicroelectronics |
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STR720 Datasheet(HTML) 280 Page - STMicroelectronics |
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280 / 401 page ![]() STR720 - USB SLAVE INTERFACE (USB) 280/401 19.6.1 Common Registers These registers affect the general behaviour of the USB Peripheral defining operating mode, interrupt handling, device address and giving access to the current frame number updated by the host PC. USB Control Register (USB_CNTR) Address Offset: 40h Reset Value: 0000 0000 0000 0011 (0003h) 15 14 13 12 11 10 98 76 54 32 10 Reserved rw rw rw rw rw rw rw rw rw rw rw rw rw Bit 15 CTRM: Correct Transfer Interrupt Mask 0: Correct Transfer (CTR) Interrupt disabled. 1: CTR Interrupt enabled, an interrupt request is generated when the corresponding bit in the USB_ISTR register is set. Bit 14 DOVRM: DMA over / underrun Interrupt Mask 0: DOVR Interrupt disabled. 1: DOVR Interrupt enabled, an interrupt request is generated when the corresponding bit in the USB_ISTR register is set. Bit 13 ERRM: Error Interrupt Mask 0: ERR Interrupt disabled. 1: ERR Interrupt enabled, an interrupt request is generated when the corresponding bit in the USB_ISTR register is set. Bit 12 WKUPM: Wake-up Interrupt Mask 0: WKUP Interrupt disabled. 1: WKUP Interrupt enabled, an interrupt request is generated when the corresponding bit in the USB_ISTR register is set. Bit 11 SUSPM: Suspend mode Interrupt Mask 0: Suspend Mode Request (SUSP) Interrupt disabled. 1: SUSP Interrupt enabled, an interrupt request is generated when the corresponding bit in the USB_ISTR register is set. 1 |
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