I am debugging the EMAC controller part of LPC236x, but there is a problem when initializing DM9161AEP. When configured as "auto-negotiation", it always fails. When reading the BMSR register, the defa
The normal power supply of signal power is the core task . Once the signal power fails, it will endanger the safety of railway transportation and seriously affect the production of railway transportat
I use a three-in-one board from ST and a touch screen for serial communication. The communication mode is interrupt reception and query transmission. Now the communication reception and transmission c