Dear experts: I have never worked on embedded systems, but now I have a project to implement the following functions: Use the GPIO of LM3S9D90 to simulate a 24-bit Slave SPI to receive information fro...
When burning the program, you mistakenly select "cold start" and the program can only be downloaded when P3.2/P3.3 is 0/0, but your own program outputs a high level.
You can short-circuit P3.2/P3.3, a...
[i=s]This post was last edited by xiaowei1234 on 2020-3-4 15:14[/i]1. Source code of OBD communication based on STM32
2. Support CAN bus communication, K line communication, L line communication
3. Su...
I am currently working on a BCH decoder, and my boss requires me to use a table lookup method to replace the multiplier in the Galois Field. Since it is an m=14 Galois Field, the table needs more than...
Cortex-M3 USB module and SST25 series Flash storage
1. The Cortex-M3 core LM3S37xx series microprocessors have built-in USB interfaces for Device/Host/OTG, which is very convenient. Generally, when us...
I am using W77E58, and I have two 32K RAMs externally expanded. I use P3.4 as the chip select for both RAMs, but now I can only access one RAM. How can I access the other RAM?...
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Microcontroller MCU
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