peterjakacki's articles:

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Re: Ancient Philips MCU query 0 7 (3/22/2013 1:48:35 PM) comp.arch.embedded On Sat, 16 Mar 2013 14:25:15 -0700, dp wrote: > A friend of mine who often repairs old lab stuff has run into some board > on which he has some Philips part, PCF4500WP in plcc44. The crystal is > at pins 7... Peter

Parallax Propeller #3 52 24 (1/13/2013 6:37:05 AM) comp.arch.embedded For some reason I found myself reading these newsgroups which I haven't really used for many years. It seems that although the Parallax Propeller web forums are extremely active there never seems to be mu... Peter

New Yahoo group dedicated to Forth on microcontrollers 12 40 (12/1/2008 7:55:25 AM) comp.lang.forth Sorry if I only lurk and never really pop my head up. I've been a bit frustrated at the lack of a group that concentrates more on using the Forth language on microcontrollers rather than the language itself o... Peter

peterjakacki's replies:

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Parallax Propeller #3 52 24 (1/13/2013 6:37:05 AM) comp.arch.embedded For some reason I found myself reading these newsgroups which I haven't really used for many years. It seems that although the Parallax Propeller web forums are extremely active there never seems to be mu... peterjakacki (29)

Simple & small MCU with 4 UARTS 23 32 (12/31/2008 7:50:14 AM) comp.arch.embedded Hello, This question comes up from time to time, and I want to see if there's anything new in the offerings. I need an MCU with 4 UART (@ 38.4 KBaud each) and several IOs. The 4 UARTs is a problem, because th... eliben (221)

Does anyone know of a 4 port serial MCU? 8 31 (12/17/2008 11:35:14 AM) comp.arch.embedded Hi, I am just starting to look for a 4 port MCU for a new project. I have only found the Renesas M32R 32174 Group device. Are there any others out there? Your help is appreciated Ian ... ian.finlay.1969 (2)

MOSFET Turning ON 2 36 (12/3/2008 1:02:55 PM) comp.arch.embedded I need to use a POWER MOSFET IRF840. I am able to turn ON the MOSFET with a DC supply of a 8V from a DC source. But I am unable to turn ON the Mosfet with an Amplified DC signal of even 16 V. Please help me. ... vijayn (2)

New Yahoo group dedicated to Forth on microcontrollers 12 40 (12/1/2008 7:55:25 AM) comp.lang.forth Sorry if I only lurk and never really pop my head up. I've been a bit frustrated at the lack of a group that concentrates more on using the Forth language on microcontrollers rather than the language itself o... peterjakacki (29)

SD card initialisation 16 49 (12/1/2008 6:57:43 AM) comp.arch.embedded Hi, I'm trying to initialise a 2GB Transcend SD card with an AT89C51AC2. I send CMD0 and get a 0x01 response. It's initialising... Then I send 10 CMD55 messages and get no valid response (0xFF) each time. I ... Murray

Microcontroller with QVGA or VGA LCD controller 40 195 (2/27/2008 12:22:45 PM) comp.arch.embedded Does anyone have any recommendations for microcontrollers with LCD controllers for QVGA (320x240) or full VGA (640x480) displays? I've found a few large devices (a ColdFire v3 device, and a number of ARM9's ... david2384 (1885)

Looking for 9 bit RS485 solutions 12 38 (10/17/2007 2:30:51 PM) comp.arch.embedded Hi, We have various products that interface to Point Of Sale terminals (a.k.a. cash registers). These use IBM's 4683 protocol which is a 9 bit (address bit) RS485 bus. We'd like to build some test tools so w... james.ro123 (11)

RS232 Development Board 13 48 (9/17/2007 7:11:45 PM) comp.arch.embedded Hi All , Does any one know an off the shelf (and cheap) development board with 3 RS232 ports? Thanks in advance for any help. Rate ... niladri1979 (100)

writing to a thumbdrive from a 8bit micro 16 37 (6/18/2007 5:12:16 PM) comp.arch.embedded I was trying to build a datalogger which writes data into a USB thumb drive, are there any 8bit micros out there that can directly write to a FAT formatted thumbdrive? The only other chip I know of is the VNC... shinystartrek (15)