I'll follow up myself. Nice chip. wish i had seen it before... In other words, it probably can do it quite nicely...
On May 20, 2008, at 2:18 PM, Jack Brindle wrote: > Dick; > > Doesn't this go the other way? As I recall, the purpose of those chips > is to provide a serial port to microcontrollers using the I2C bus. > They need to be set up over the I2C for things like data rate and > stuff like that. That would make them pretty much useless for this > type of operation. or am I missing something? > > > On May 20, 2008, at 2:00 PM, dick_faust wrote: > >> If you use a NXP SC18IM700 Serial to I2C chip it directly interfaces >> to the Si570 or the PIC socket . The serial interface can be run at >> various baud rates and can easily be opto isolated from the PC on a >> RS232 or USB converter. The demo kit from NXP OM6272 is fully built >> with RS232 in and power from USB on PC It also works with most [all >> that I have tried] USB to 232 converters, - again simple to opto- >> isolate the USB to 232 and run demo kit from same supply as Softrock >> 5V [3.3v reg on the demo] or 12V with resistor. >> >> PC can do freq calcs and register value generation very easily. Not >> presently sure how to capture CAT from Kenwood, but probably could >> loop through or capture from another RS232/USB port. CAT from ICOM >> would be another option to be included. Actually an interface from >> Ham Radio Deluxe might be easier >> http://groups.yahoo.com/group/ham-radio-deluxe/ >> or http://forums.ham-radio.ch/ >> >> Dick Faust K9ivb >> >> > > > -Jack Brindle, W6FB > = > ====================================================================== > > > > ------------------------------------ > > Yahoo! Groups Links > > > -Jack Brindle, W6FB =======================================================================
