Search found 6 matches

by kine001
23 Aug 2019, 13:43
Forum: Nuvoton Cortex-M4 MCU
Topic: Could M483 disable VBUS function?
Replies: 3
Views: 4460

Re: Could M483 disable VBUS function?

It's ok when using 12M HXT, the usb initialization can run through.
by kine001
23 Aug 2019, 11:54
Forum: Nuvoton Cortex-M4 MCU
Topic: problems for M483 SD and USB
Replies: 0
Views: 3849

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...
by kine001
09 Aug 2019, 17:05
Forum: Nuvoton Cortex-M4 MCU
Topic: how to decide M483 HSUSB descriptors
Replies: 2
Views: 4390

Re: how to decide M483 HSUSB descriptors

ok, i‘ll try it, thanks.
by kine001
09 Aug 2019, 17:03
Forum: Nuvoton Cortex-M4 MCU
Topic: Could M483 disable VBUS function?
Replies: 3
Views: 4460

Re: Could M483 disable VBUS function?

Thanks, i will try it later
by kine001
06 Aug 2019, 13:55
Forum: Nuvoton Cortex-M4 MCU
Topic: Could M483 disable VBUS function?
Replies: 3
Views: 4460

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...
by kine001
04 Aug 2019, 19:38
Forum: Nuvoton Cortex-M4 MCU
Topic: how to decide M483 HSUSB descriptors
Replies: 2
Views: 4390

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" ...