Reply by Leighton Rowe ●December 17, 20042004-12-17

correction to my last post

I'm having *more* success with 56k baud speeds and below, with less
halts occuring at 56k.



An Engineer's Guide to the LPC2100 Series

Reply by Leighton Rowe ●December 17, 20042004-12-17

> Hi,
>
> we have production run of boards with LPC2214 and LPC2294, these
are
> our LPC+external memory header boards and LPC+external
> memory+ethernet boards.
> On about 20% of the boards Philips ISP utility fail to program the
> code on speed above 19200. Everything seems like baudrate problem
as
> if 19200 or lower speed is used ISP programs everything just fine.


I experience this problem quite frequently on my 2114 board (1.63
bootloader), especially at 115k baud speeds. Using a 14.7456 Mhz I
expected updating to be at least hassle free at high bauds (2114
user manual). However, the process tends to halt & fail somewhere in
the middle. Normally I'd resort to retrying the update until it
eventually completes. I'm having the success with 56k baud & below
speeds and below, with less halts occuring at 56k. Keep me posted if
u've found the cause of this problem.

Leighton




Reply by acetoel ●December 17, 20042004-12-17

My chip says

LPC2214FBD144
CD2662 10
TSD435 A

Are this chips loaded with bootloader 1.63?

Thanks
Ezequiel --- In , "tsvetanusunov" <tusunov@m...> wrote:
>
> Hi,
>
> we have production run of boards with LPC2214 and LPC2294, these
are
> our LPC+external memory header boards and LPC+external
> memory+ethernet boards.
> On about 20% of the boards Philips ISP utility fail to program the
> code on speed above 19200. Everything seems like baudrate problem
as
> if 19200 or lower speed is used ISP programs everything just fine.
>
> chip info is:
>
> LPC2294JBD144
> CD2664 03
> TS0434 A
>
> PART ID - 84016915
> boot loader ID - 1.63
> XTAL freq - 1 474 600 Hz
>
> I sent this info to Philips but they seems to not have time to
reply
> (season Holidays are aproaching ;), so I wonder if anyone else
have
> had the same problems? is there newer bootloader release which to
fix
> these issues? > 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)


Reply by Richard Rauscher ●December 17, 20042004-12-17
We experienced the same behavior when upgrading to 1.63 on the 2114.
Please let me know if you hear of a solution.

Thanks,

--rich

-----Original Message-----
From: tsvetanusunov [mailto:]
Sent: Friday, December 17, 2004 10:14 AM
To:
Subject: [lpc2000] LPC2214 possible bootloader rev. 1.63 problem
Hi,

we have production run of boards with LPC2214 and LPC2294, these
are
our LPC+external memory header boards and LPC+external
memory+ethernet boards.
On about 20% of the boards Philips ISP utility fail to program
the
code on speed above 19200. Everything seems like baudrate
problem as
if 19200 or lower speed is used ISP programs everything just
fine.

chip info is:

LPC2294JBD144
CD2664 03
TS0434 A

PART ID - 84016915
boot loader ID - 1.63
XTAL freq - 1 474 600 Hz

I sent this info to Philips but they seems to not have time to
reply
(season Holidays are aproaching ;), so I wonder if anyone else
have
had the same problems? is there newer bootloader release which
to fix
these issues? 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)

click here
<http://us.ard.yahoo.com/SIG9ob5ngt/M)4855.5468653.6549235.3001176/
D=groups/S06554205:HM/EXP03393670/A$55396/R=0/SIG9u9qmi7/*htt
p://smallbusiness.yahoo.com/domains/>

<http://us.adserver.yahoo.com/l?M)4855.5468653.6549235.3001176/D=group
s/S=:HM/A$55396/rand2864127 ________________________________

> .



Reply by tsvetanusunov ●December 17, 20042004-12-17

Hi,

we have production run of boards with LPC2214 and LPC2294, these are
our LPC+external memory header boards and LPC+external
memory+ethernet boards.
On about 20% of the boards Philips ISP utility fail to program the
code on speed above 19200. Everything seems like baudrate problem as
if 19200 or lower speed is used ISP programs everything just fine.

chip info is:

LPC2294JBD144
CD2664 03
TS0434 A

PART ID - 84016915
boot loader ID - 1.63
XTAL freq - 1 474 600 Hz

I sent this info to Philips but they seems to not have time to reply
(season Holidays are aproaching ;), so I wonder if anyone else have
had the same problems? is there newer bootloader release which to fix
these issues? 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)