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kendryte / kendryte-standalone-sdk

Standalone SDK for kendryte K210
https://kendryte.com
Apache License 2.0
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GPIOHS Bus Config With Dma #122

Closed baldhead69 closed 10 months ago

baldhead69 commented 3 years ago

Hi,

I'm not sure if this is the right place for this question.

The datasheet of k210 is very incomplete and technical reference manual are not public, so.....

SPI0, SPI1, and SPI2 support "only" 25MHz clock. Spi 3(xip), 100MHz clock, are used for flash memory interface, so, i would not like to share the bus with another peripheral. And spi bus master are only 8 bits max width.

My question:

Can i configure GPIOHS for 8, 16 or 24 bits width ? Can GPIOHS use DMA on this configuration ? How fast is the GPIOHS ?

If yes, how to config this ?

Application: High resolution LCD interface, so, i can not use dtr(double transfer rate), only str(single transfer rate).

Thank's for the help.

baldhead69 commented 10 months ago

Kendryte abandoned its customers