ARM Development Kit Suggestions
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From: Dave Boland on 12 Mar 2010 15:48 I'm near the end of a project and would like to learn more about ARM processors for embedded use. I have experience with 8052, 386, HC11, and 6800 derivatives, but nothing with the ARM. Since this is a learning exercise (for now), the requirements are minimal: * Documentation: complete and reasonable well done. * Form factor: don't much care, but easy interface with peripherials nice. * ADC: 4 channels or more. * DAC: would be nice, not required. * GPIO: 16 or more (in addition to ADC if possible), TTL compatible would be nice, but not needed. * I2C and SPI * Network port * RS232/485: 1 or 2 ports * PWM: 4 channels or more * Code space: 256 KB nice, can use less * RAM: 256 KB. * OS's: uLinux or FreeRTOS or... * Tool chain: Linux prefered. * Cost: as cheap as possible Thanks for your suggestions. Dave,
From: Paul Carpenter on 12 Mar 2010 17:44 In article <hne99p$foa$1(a)speranza.aioe.org>, dboland9(a)fastmail.fm says... > I'm near the end of a project and would like to learn more about ARM > processors for embedded use. I have experience with 8052, 386, HC11, > and 6800 derivatives, but nothing with the ARM. Since this is a > learning exercise (for now), the requirements are minimal: > > * Documentation: complete and reasonable well done. > * Form factor: don't much care, but easy interface with peripherials nice. > * ADC: 4 channels or more. > * DAC: would be nice, not required. > * GPIO: 16 or more (in addition to ADC if possible), TTL compatible > would be nice, but not needed. > * I2C and SPI > * Network port > * RS232/485: 1 or 2 ports > * PWM: 4 channels or more > * Code space: 256 KB nice, can use less > * RAM: 256 KB. > * OS's: uLinux or FreeRTOS or... > * Tool chain: Linux prefered. > * Cost: as cheap as possible I have recently been looking at smaller versions than you, but there appears to be a few eval boards from many manufacturers. I am considering the TI (was Luminary) as their boards are reasonably cheap. Some of the network ones have screens as well. > Thanks for your suggestions. > > Dave, > -- Paul Carpenter | paul(a)pcserviceselectronics.co.uk <http://www.pcserviceselectronics.co.uk/> PC Services <http://www.pcserviceselectronics.co.uk/fonts/> Timing Diagram Font <http://www.gnuh8.org.uk/> GNU H8 - compiler & Renesas H8/H8S/H8 Tiny <http://www.badweb.org.uk/> For those web sites you hate
From: Glenn on 14 Mar 2010 04:48 Glenn wrote: > Dave Boland wrote: >> I'm near the end of a project and would like to learn more about ARM >> processors for embedded use. I have experience with 8052, 386, HC11, >> and 6800 derivatives, but nothing with the ARM. Since this is a >> learning exercise (for now), the requirements are minimal: >> >> * Documentation: complete and reasonable well done. >> * Form factor: don't much care, but easy interface with peripherials >> nice. >> * ADC: 4 channels or more. >> * DAC: would be nice, not required. >> * GPIO: 16 or more (in addition to ADC if possible), TTL compatible >> would be nice, but not needed. >> * I2C and SPI >> * Network port >> * RS232/485: 1 or 2 ports >> * PWM: 4 channels or more >> * Code space: 256 KB nice, can use less >> * RAM: 256 KB. >> * OS's: uLinux or FreeRTOS or... >> * Tool chain: Linux prefered. >> * Cost: as cheap as possible >> >> Thanks for your suggestions. >> >> Dave, > > > Hi Dave > > What about one of these: .... > Schematics: > http://downloads.openmoko.org/schematics/GTA02/ .... Hi Dave One of the importent urls has changed: http://downloads.openmoko.org/developer/schematics/GTA02/ Glenn
From: Ulf Samuelsson on 15 Mar 2010 19:05 Dave Boland skrev: > I'm near the end of a project and would like to learn more about ARM > processors for embedded use. I have experience with 8052, 386, HC11, > and 6800 derivatives, but nothing with the ARM. Since this is a > learning exercise (for now), the requirements are minimal: > You can get a low cost Olimex ARM9 (SAM9260) with these features This will be able to run linux (not uClinux) as well. > * Documentation: complete and reasonable well done. > * Form factor: don't much care, but easy interface with peripherials nice. > * ADC: 4 channels or more. OK > * DAC: would be nice, not required. No, use PWM > * GPIO: 16 or more (in addition to ADC if possible), TTL compatible > would be nice, but not needed. OK > * I2C and SPI SPI is OK, I2C is disabled in the linux kernel, and replaced by bitbanging. > * Network port OK 100 Mbps > * RS232/485: 1 or 2 ports OK, Dedicated H/W for RS485 so you do not have to handle the RS-485 port enable manually. > * PWM: 4 channels or more OK > * Code space: 256 KB nice, can use less Several MB of Flash > * RAM: 256 KB. Several MB of SDRAM > * OS's: uLinux or FreeRTOS or... Linux is OK. FreeRTOS is not that hard to get running. > * Tool chain: Linux prefered. Supported by Buildroot which builds everything you need including the cross compiler. > * Cost: as cheap as possible > Thanks for your suggestions. > > Dave, Best Regards Ulf Samuelsson
From: Leon on 16 Mar 2010 16:22
On 12 Mar, 20:48, Dave Boland <dbola...(a)fastmail.fm> wrote: > I'm near the end of a project and would like to learn more about ARM > processors for embedded use. I have experience with 8052, 386, HC11, > and 6800 derivatives, but nothing with the ARM. Since this is a > learning exercise (for now), the requirements are minimal: > > * Documentation: complete and reasonable well done. > * Form factor: don't much care, but easy interface with peripherials nice.. > * ADC: 4 channels or more. > * DAC: would be nice, not required. > * GPIO: 16 or more (in addition to ADC if possible), TTL compatible > would be nice, but not needed. > * I2C and SPI > * Network port > * RS232/485: 1 or 2 ports > * PWM: 4 channels or more > * Code space: 256 KB nice, can use less > * RAM: 256 KB. > * OS's: uLinux or FreeRTOS or... > * Tool chain: Linux prefered. > * Cost: as cheap as possible > > Thanks for your suggestions. > > Dave, You can get the LPCXpresso board for £18 from Farnell. Free tools are available for download. http://www.embeddedartists.com/products/lpcxpresso/lpc1114_xpr.php?PHPSESSID=v4rudeo125djqkh8ieengknla3 Leon |