Lpc2000

--- In lpc2000@yahoogroups.com, "Lasse Madsen" <lm@h...> wrote:
> Hi all.
> 
> I have been monitoring this group for about half a year now waiting
for the
> "right" time to start an LPC project, that time is now! I've made a
simple
> datalogger with an SD card,GPS and GSM modem in a similar design I
currently
> use with an atmel avr, I would appriciate if someone would take a
breif look
> at my schematic and see if I have made any obvious mistakes with the
LPC and
> its bootloader select pin etc.
> 
> Diagram:
> http://www.electro-logic.com/diagram.pdf
> 
> At the same time I would like to ask if anyone has worked with the Keil
> uVision compiler, as I will probertly be using
> this compiler or the ARM ADS depending on which is best and easiest
to use,
> any comments ?
> 
> Best regards and many thanks for having me in this great group !
> 
> Lasse Madsen


Hi Lasse,

take a closer look at the SPI Interface to the Memory Card.
If the LPC is working as a SPI Master you must set a 1 to the SSEL input.
Also the CS at the SD/MMC is an input (active low).

Andreas