2 ms·
I can't find any trace of this with a quick Google search, but I'm super sure I read about the very first iPhones having the baseband module talk to the soc via
by iforgotpassword 3y ago
I can't find any trace of this with a quick Google search, but I'm super sure I read about the very first iPhones having the baseband module talk to the soc via USB as an isolation measure, since USB didn't have DMA or anything "dangerous". Anybody else heard that, or am I hallucinating?
- numpad0 3y agoUSB? Not UART serial? It seemed a lot of early smartphones did have the modem over AT commands through serial port, like good old DOS computers.