> > They qualify the IOR and IOW signals with CS2, hence one will only read from, write > to the chip when CS2 is active. They probably could have achived the same by > connecting CS2 to the CS8900 Chip select pin, and OE to IOR and WE to IOW. not really, according to CS8900A datasheets CHIPSELECT is used only in Memory mode, in IO and DMA mode *should* be connected to ground. Best regards Tsvetan --- PCB prototypes for $26 at http://run.to/pcb (http://www.olimex.com/pcb) PCB any volume assembly (http://www.olimex.com/pcb/protoa.html) Development boards for ARM, AVR, PIC, and MSP430 (http://www.olimex.com/dev)
Message
Re: olimex LPC-E2294 with ethernet
2005-02-08 by tsvetanusunov