Advice neede: Atmel or Philips ARM

Started by Meindert Sprang in comp.arch.embedded14 years ago 39 replies

Hi Gurus, I am switching from AVR to ARM. Currently, I use an ATmega162 which is running out of code space (16kB) and performance. But I find...

Hi Gurus, I am switching from AVR to ARM. Currently, I use an ATmega162 which is running out of code space (16kB) and performance. But I find it difficult to choose between Atmel's ARM (looking at the SAM7S series) and thePhilips LPC2104/5/6 series. I don't need many peripherals (yet). My current design uses an FTDI chip for USB, I could save that by using Atmel (Philips has no USB), but o...


problem with jtag/ETM on Philips LPC21xx

Started by Maciej Kaczkowski in comp.arch.embedded16 years ago 4 replies

How can I use JTAG mode without ETM port on Philips LPC 210x? I pull up DBGSEL and RTCK during RESET, processor starts using jtag but also...

How can I use JTAG mode without ETM port on Philips LPC 210x? I pull up DBGSEL and RTCK during RESET, processor starts using jtag but also ETM port is enabled (I can`t use ETM pins as GPIO). I am also using LPC 212x - it is posible to turn on jtag without ETM port. Thank You


Problem With Philips PCF8563 RTC

Started by Ken Lee in comp.arch.embedded16 years ago 8 replies

Hi, I'm just wondering if anybody has had any problems with the Philips PCF8563 RTC. I've devised a simple unit test which does...

Hi, I'm just wondering if anybody has had any problems with the Philips PCF8563 RTC. I've devised a simple unit test which does the following: 1. RTC seconds, minutes and hours registers are initialised to zero. 2. Continuously samples the RTC (at 1 millisecond) and reads the seconds, minutes and hours registers 3. Each register has an associated counter in software, which is incremente...


Extract program from old mask-ROM 80C51?

Started by Theo Markettos in comp.arch.embedded11 years ago 8 replies

I have a mask ROM 80C51 in an old computer, made 1992. The top of the 44 pin PLCC says: Philips logo 0290,031-01 WP J399 223380 DfD9240V6...

I have a mask ROM 80C51 in an old computer, made 1992. The top of the 44 pin PLCC says: Philips logo 0290,031-01 WP J399 223380 DfD9240V6 YU (R) (C) INTEL 1980 (R) PHILIPS 1989 The schematic tells me it's an 80C51, but no other part numbers. 0290,031-01 is the customer's (Acorn's) part number. I don't know what sort of 8051 it is inside. The clock line XTAL1 is driven directly fr...


Philips PDIUSBD12 Cannot Poll the interrupt Register

Started by MartinGreen in comp.arch.embedded15 years ago 4 replies

Hi, I am using the Philips PDIUSBD12. I am polling the device since I cannot use the interrupt pin. The part seems to work most of the time...

Hi, I am using the Philips PDIUSBD12. I am polling the device since I cannot use the interrupt pin. The part seems to work most of the time though it occassionally gives bad IN packets during enumeration. I also can only poll the interrupt register once after enumeration to see if I am getting an OUT packet. If I poll the interrupt register after enumeration then I start sending bad or inv...


Philips P89c669 question

Started by Dimitris Stafylarakis in comp.arch.embedded15 years ago 2 replies

Hello, I am about to use a P89c669 in a design with external program memory. Problem is that the manual states that EA pin either disables...

Hello, I am about to use a P89c669 in a design with external program memory. Problem is that the manual states that EA pin either disables external program memory when held HIGH, or disables internal flash when EA is held LOW. The feedback I got from Philips is that when EA is held HIGH (???) both external and internal memory can be used in a mixed mode. So the big question is, if I wan...


Does anyone know Philips P87C695AER/C1 processor ?

Started by Roman in comp.arch.embedded13 years ago 1 reply

I will appreciate any information, datasheet, application note, project using it etc. Thank you Roman

I will appreciate any information, datasheet, application note, project using it etc. Thank you Roman


8051 DATABOOKS

Started by 8bit in comp.arch.embedded16 years ago 5 replies

Does anyone know the date of the latest Philips Databook for their 8051 series? Thanks

Does anyone know the date of the latest Philips Databook for their 8051 series? Thanks


Is anybody using LPC2888?

Started by Pravin in comp.arch.embedded14 years ago 3 replies

Hi all I m using ARM 7 , philips LPC2888 in my application. If someone is working on it plz let me know..as this is very recent chip n used...

Hi all I m using ARM 7 , philips LPC2888 in my application. If someone is working on it plz let me know..as this is very recent chip n used generally in applications like i-pod, mobile,etc. regards.


Anyone know how to decode philips rc-5 infrared remote control

Started by manoj in comp.arch.embedded13 years ago 2 replies

Hi, I am using P89LPC935 microcontroller and TSOP1738 IR decoder chip. But I am not able to decode it. Can you please send me the related code.

Hi, I am using P89LPC935 microcontroller and TSOP1738 IR decoder chip. But I am not able to decode it. Can you please send me the related code.


Dallas DS89C450

Started by Prem in comp.arch.embedded15 years ago 3 replies

Hi Experts, I am about to change my controller from Philips 87C591 to DS89C450 for speed, memory and flash. Anybody has experience with this...

Hi Experts, I am about to change my controller from Philips 87C591 to DS89C450 for speed, memory and flash. Anybody has experience with this chip and any difficulties in porting to this chip. Thanks in advance, Prem


VLIW ASIP

Started by Michele Russo in comp.arch.embedded14 years ago 9 replies

Hello all, Please, check one or more of the following which can be classified as ASIP based on VLIW. [ ] TI C6x [ ] Agere/Motorola...

Hello all, Please, check one or more of the following which can be classified as ASIP based on VLIW. [ ] TI C6x [ ] Agere/Motorola StarCore [ ] Sun MAJC [ ] Fujitsu FR-V [ ] ST Lx [ ] Philips TriMedia Thanks in advance, Michele


Philips LPC2292 parts in a hurry

Started by Alan Myler in comp.arch.embedded13 years ago 1 reply

Anyone know where I might get a handful of LPC2292FET144 parts in a hurry, i.e. within a few days? Digikey don't have them in stock, 4-week...

Anyone know where I might get a handful of LPC2292FET144 parts in a hurry, i.e. within a few days? Digikey don't have them in stock, 4-week lead time :-( Useful suggestions gratefully accepted. Alan


big problem with Philips PDS51 emulator

Started by djordj in comp.arch.embedded13 years ago 4 replies

I can't connect to a PDS51 (with serial cable), the software says that there is no emulator connected to the COM port!!! Is there anybody...

I can't connect to a PDS51 (with serial cable), the software says that there is no emulator connected to the COM port!!! Is there anybody that knows this emulator? I need help... Thanks


add SD-RAM in ARM7

Started by EZarm in comp.arch.embedded16 years ago 4 replies

I have many SD-RAM ( 2M or 4M) from pc , does any try to add ram to a LEON's schematic (philips LPC 2106) TIA.

I have many SD-RAM ( 2M or 4M) from pc , does any try to add ram to a LEON's schematic (philips LPC 2106) TIA.


strange behavior of a P89C51RC Philips microprocessor

Started by Las in comp.arch.embedded15 years ago 4 replies

My company has a device that uses the 89C51. Somehow the flash memory is getting corrupted. The device will not boot properly after a reset....

My company has a device that uses the 89C51. Somehow the flash memory is getting corrupted. The device will not boot properly after a reset. When the device is reprogramed it works ok. I know this is a general description without much detail. I'm just looking for anyone who might have had similiar problems with this device. Thanks! E.L.


SAA7111A YUV

Started by Wang Feng in comp.arch.embedded16 years ago 2 replies

Hi, I have stored YUV422 16 bit data from Philips SAA7111A. The Y data and UV data in 2 files. Now hot to combine Y and UV into RGB format...

Hi, I have stored YUV422 16 bit data from Philips SAA7111A. The Y data and UV data in 2 files. Now hot to combine Y and UV into RGB format for display on PC? Please reply to fwang11@pub3.fz.fj.cn Thanks in advance. Wang, Feng


External memory with ARM7 philips lpc2138

Started by Xarion in comp.arch.embedded13 years ago 3 replies

Hey everyone What options do i have to interface external memory for my arm7 chip? CF, USB, PSD? Thanx :-) xarion

Hey everyone What options do i have to interface external memory for my arm7 chip? CF, USB, PSD? Thanx :-) xarion


Q: lpc921 compatiblity with 8051?

Started by Petar Silic in comp.arch.embedded14 years ago 8 replies

hi, I have a project with philips p89lpc921, and need to use it as standard 8051 now, this two chips have different clocks per cycle, as I...

hi, I have a project with philips p89lpc921, and need to use it as standard 8051 now, this two chips have different clocks per cycle, as I understood, so delay and timer do not work corectly anyone knows how to make this work? i tried writing DIVM=3, but it didn't work help please, I am out of ideas :o)