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usb to rs232 cable installing with pic programmer

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alaalwi11

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hi friends iam beginer in pic programmer and ihave serial pic programmer but my
laptop have not serial port so i use usb to rs232 cable but it doesn't installing
on OS xp
can any one help me



60_1301681475.jpg








best regard alaalwi11
 
Last edited:

is there a manufacturers name or part number on the USB to RS232 converter?
Looking at the photo it could be an FTDI US232B L/C or a US232B
USB RS232 Cables

if so you can download the drivers from the above web page
 

thank horace1 for your reply and I'm sooo happy. Those two lines gave me headache for days...
so the cable drive was install
and you can see that



but there are some problem stay
for the programmer application i use picprg but this support the serial port so it can not appear the coms port






can any one suggest me what to do?


Thanks.

Best regards,

alaalwi11
 

dear alaalwi11,


I had problems with some PIC16Fxx programmers using USB/SERIALcable based on FTDI chipset.
It´s because the Bias voltage generated by that cable is very low, despite within the range of RS232 specificatios.

+++
 

My friend andre_teprom ,

Thank you for your reply
Yes i note that the out put voltage of FTDI Chipset is differ from one to other chipset but idon't if my cable like that



thank.........
 

posibly try a different make of USB/RS232 cable

don't you have a hardware COM1: port on your PC?
 

hi all,
dear horace1, ihave laptop without serial port so i can't use normal serial cable and i found only one kind of usb to rs232 cable as seem in pecture
have you any anther suggestion?
Best regards,

alaalwi11
 

when I searched for "usb to rs232 converter" on the
Amazon.co.uk: Low Prices in Electronics, Books, Sports Equipment & more
site it displayed a number of devices
However, they may be no better than the one you have.
You need advice from someone who has a working system.
You could try the forum on Microchip's site
Microchip Technology Inc. is a Leading Provider of Microcontroller and Analog Semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide.
 

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