Hi,
Are you able to test the external RAM? I'm having a hard time
configuring the external RAM. It's a 16-bit RAM and I can not find
much information on the IDCY, WST1, WST2, RBLE, WP, BM, MW, etc. Does
anyone know the settings?
Thanks,
Kantol
--- In lpc2000@yahoogroups.com, "Sebastien Jacquemard"
<sejacquemard@w...> wrote:
>
> It's work, in fact I had two problems, the reset cap who seems to
be not
> suffucient (it's strange because I use a 100nF like Keil but it was
5 time
> slower....) but with the 2.2uF no problem.
> The second problem was in the startup.s file.
>
> Sebastien
>
> ----- Original Message -----
> From: "Sebastien Jacquemard" <sejacquemard@w...>
> To: <lpc2000@yahoogroups.com>
> Sent: Wednesday, August 17, 2005 3:30 PM
> Subject: Re: [lpc2000] LPC2292 problem
>
>
> I've change the 100nF reset cap by a larger one by a 2.2uF tantalum
(It's
> quite large but I've got only this one...)
> I don't have anymore the strange signal on the PIN P0.10 to P0.16.
Now P0.14
> (IAP PIN) is High, reset is High (when the board run)
> P0.14 is high when I press the reset switch, but the program
doesn't toggle
> the PIN ???
>
> Sebastien
>
> ----- Original Message -----
> From: "Sebastien Jacquemard" <sejacquemard@w...>
> To: <lpc2000@yahoogroups.com>
> Sent: Wednesday, August 17, 2005 2:42 PM
> Subject: [lpc2000] LPC2292 problem
>
>
> Hello,
>
> I've problems with my new board with LPC2292. I build my own board
and I
> plug a module from embest on it (with a LPC2292 + external flash +
external
> ram). Actually I've solder only the power supply, the rs232 + iap /
reset
> circuit (same shematic than Keil board).
> Reset + iap work well. I can program the LPC2292 internal flash
with Philips
> flash utility, read the device ID without any problem. So I think
the board
> work.
> I've make a little test program who toggle a GPIO pin.
> I use Keil + GCC.
> This is my program :
>
> #include <LPC22XX.H>
>
> int main (void) {
> PINSEL0 = 0x00000400;
> IODIR0 = 0x00000400;
> while (1) {
> delay();
> IOCLR0 = 0x00000400;
> delay();
> IOSET0 = 0x00000400;
> }
> }
>
> This program run well on my MCB2130 board from keil.
> At startup reset go from low to high (3.3v) see the screen copy of
my
> oscilloscope on the file section (lpc2292_pb.zip)
> The embest module is supply by a 5v switching regulator on my board
(LM2576)
> and there is two LM1117 for 3.3 and 1.8v supply on the module.
>
> There is a strange signal on PIN P0.10 to P0.17 (see the screen
copy of myShow quoted textHide quoted text
> oscilloscope for these PIN)
>
> Somebody has got an idea ?
>
> Thanks,
> Sebastien
>
>
>
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>
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