Another thing missing is an optional delay from the assertion of the address lines until the falling edge of !CS &/or !RD. This is required for many peripheral parts and for now, must be done with external hardware. Regards -Bill Knight R O SoftWare & http://www.theARMPatch.com On Sun, 05 Jun 2005 23:36:34 +0100, Jane Highland wrote: >Agreed. Even Z80s had a \wait signal, and the Z180 had DMACs for writing >to graphics memory, FIFO chips etc.. Come on Philips you've got a great >core, we just need a few more useful peripherals! >Jane >bobengle@... wrote: >> >> a wait signal for the external bus would be nice to work with graphics >> controller chips..... >> >> bob engle >> embedded solutions
Message
[lpc2000] Re: An LPC2xxx variant I would like to see
2005-06-06 by Bill Knight