So I came across a datasheet for CH340, which can be used as a substitute for MAX232 ic. Since I am using a laptop with no parallel and serial interface, I need to have a cable that can be plugged to my USB port. For most modern computers the printer ports are usually replaced with a much efficient less complicated wiring USB connectors.
This requirement is fine when using old desktop computer which normally has a parallel printer port and a serial connector. I recently needed to program a Kenwood Radio TK-8102H, after searching the internet I found out that the software required to program it is KPG-70D and the required interface is KPG-46 using RS232 logic level to TTL, either using D-subconnector (25-pin) or DB-9 serial.Īfter referencing several schematics for Kenwood programming cable, I found out that the IC commonly use is a MAX232 which requires a 5V power supply to operate. Yes, It will work in CHIRP without the need for you to use the Kenwood proprietary software.
