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Serial Motor driver - to UART or not to UART

Started by holopoint.rm in Piclist21 years ago 5 replies

I'm using a PIC16F628 to build a serial DC motor driver. I thought of using the UART port to wake the PIC when a new command...

I'm using a PIC16F628 to build a serial DC motor driver. I thought of using the UART port to wake the PIC when a new command comes in. What are the considerations for using the UART ? Should I use a interrupt or just check the port in a tight loop ? If I want to preserve powe


PIC 877 and Rf wireless

Started by ramtec73 in Piclist20 years ago 5 replies

Has anyone tried transferring datas to or from 877 wireless. I have wireless rx and tx from www.laipacinc.com. Do we the UART...

Has anyone tried transferring datas to or from 877 wireless. I have wireless rx and tx from www.laipacinc.com. Do we the UART for this? Any examples out there about using UART.


Waking Up UART from Sleep

Started by northwoodsfisherman in Piclist20 years ago 7 replies

Hi Am experimenting with a PIC16F628 here and would like put the processor in Sleep Mode and then wake it up when a character is ...

Hi Am experimenting with a PIC16F628 here and would like put the processor in Sleep Mode and then wake it up when a character is received in the UART. Problem is that SLEEP seems to shut down the OSC and thus the Baudrate Generator is not running to get the character. Read


Having to turn off UART continuous receive

Started by upand_at_them in Piclist19 years ago 5 replies

I have a program in my 16F88 that reads data from a GPS (through the hardware UART), stores it in RAM, parses it, and then writes...

I have a program in my 16F88 that reads data from a GPS (through the hardware UART), stores it in RAM, parses it, and then writes certain items to an external EEPROM. What I've discovered, though, is that I have to turn off continuous receive (CREN=0) before I do my processing ro


How to declare a software UART in the MPLAB compiler?

Started by Nick Alexeev in Piclist19 years ago 1 reply

Colleagues, I'm a big fan of CCS compiler, but for this project I have to use the MPLAB, becasue it support s Salvo OS....

Colleagues, I'm a big fan of CCS compiler, but for this project I have to use the MPLAB, becasue it support s Salvo OS. Here are my questions. - Is it possible to delare a Software UART in the MPLAB without a lot of coding? - Is there a good 3rd partty Software


Soft UART on 12F629 - help wanted

Started by lpcarmed in Piclist19 years ago 2 replies

Hello, I posted a project on Elance to get a small soft UART project done: ...

Hello, I posted a project on Elance to get a small soft UART project done: http://www.elance.com/c/search/main/lSearch.pl?mode=search&stage=results&domain=project s&cati


20Mhz 16F873A UART bootloader

Started by Tim in Piclist21 years ago 1 reply

Hello - I am looking for a 16F873A bootloader that uses the built-in serial port (and ideally without WDT). Shane Tolmie's looks ...

Hello - I am looking for a 16F873A bootloader that uses the built-in serial port (and ideally without WDT). Shane Tolmie's looks most promising to me but his site doesn't have a 20Mhz version. Apparently the 87xA versions use a slightly different algorithm for self-programming so I a


PIC -ISA interfacing weird problem

Started by kalyanramu vemishetty in Piclist19 years ago 1 reply

Hi all, I am interfacing pic microcontroller (pic18f452) to FDC37c672 from SMSC. FDC37c672 has some UART and IrDA capabilities...

Hi all, I am interfacing pic microcontroller (pic18f452) to FDC37c672 from SMSC. FDC37c672 has some UART and IrDA capabilities which I want to explot. It has an ISA bus interface. I am able to read the registers from the FDC37C672. But for some reason I am unable t