Re: Do I return my H4? Hima brand #buying #hardware #nanovna-h4
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Stephen
I found the functional block diagrams of both F302 and F303 series processors, if you're interested. Again, a lot of the chip's internal functionality is not used. The F303 was originally chosen due to its ability to drive a 4 inch display which the F072 in the original design could not. The STM32F303CCT was also a pin for pin drop-in replacement for the F072 and available on an STM32 experimenter board. More info: /g/nanovna-users/topic/61079748#9206 Try installing DiSlord's latest H4 version of FW - 1.0.69 - on the unit, calibrate it and check out all the functions including screen brightness control and battery charge sense. I don't think you'll have any issues - but again, if new software functionality is added to the H4 in the future that depends on something that the F303 has and the F302 does not (like memory), then return it. BTW - what's the complete processor part number, including suffix? A real H4 uses an STM32F303CCT6. If you have a GD32F303 processor, return it. With more info, I can update the forum's Wiki about this model and list any caveats associated with the device. Your call. |
