Search found 6 matches
- 23 Aug 2019, 13:43
- Forum: Nuvoton Cortex-M4 MCU
- Topic: Could M483 disable VBUS function?
- Replies: 3
- Views: 8853
Re: Could M483 disable VBUS function?
It's ok when using 12M HXT, the usb initialization can run through.
- 23 Aug 2019, 11:54
- Forum: Nuvoton Cortex-M4 MCU
- Topic: problems for M483 SD and USB
- Replies: 0
- Views: 5890
problems for M483 SD and USB
Hi, 1, As for M483SIDAE SD controller, we can't get the correct data from SDHC using DMA read for SD interface, we only use SD0, so we connect the SD0_DAT0~3 and SD0_CMD, SD0_CLK to SD slot, but let SD0_nCD float when initializing, i set the CARD_DETECT_FROM_DAT3, and disable the CARD detect interru...
- 09 Aug 2019, 17:05
- Forum: Nuvoton Cortex-M4 MCU
- Topic: how to decide M483 HSUSB descriptors
- Replies: 2
- Views: 7198
Re: how to decide M483 HSUSB descriptors
ok, i‘ll try it, thanks.
- 09 Aug 2019, 17:03
- Forum: Nuvoton Cortex-M4 MCU
- Topic: Could M483 disable VBUS function?
- Replies: 3
- Views: 8853
Re: Could M483 disable VBUS function?
Thanks, i will try it later
- 06 Aug 2019, 13:55
- Forum: Nuvoton Cortex-M4 MCU
- Topic: Could M483 disable VBUS function?
- Replies: 3
- Views: 8853
Could M483 disable VBUS function?
hi we use M483 for a USB device, but now the host can't recognize the device 1, we connect the HSUSB_VBUS to 5V directly, 2, use external 24M HXT source the problem is in the initialization, after host reset device, the communication can't enter the descriptor query sequence, and M483 could not rece...
- 04 Aug 2019, 19:38
- Forum: Nuvoton Cortex-M4 MCU
- Topic: how to decide M483 HSUSB descriptors
- Replies: 2
- Views: 7198
how to decide M483 HSUSB descriptors
Hi, we use M843SIDAE as for a usb 2.0 device, the initialize of clock and register etc are correct, but when communicate with host, the error occurred: " usb 1-6: device descriptor read/64, error -71 usb 1-6: device not responding to setup address usb 1-6: device not accepting address 7, error -71" ...