On 9/18/06, Mike Singer wrote: > Xiaofan Chen wrote: > > I am not using IrDA and I can not afford the space and current consumption > > of dsPICs. I need a small MCU (perhaps 4x4mm) and it should consume > > less than 5mA at the internal oscillator frequency. I've found some Silicon > > Labs parts which fit the requirement (C8051F33x/35x). > > With C8051F330 you'll need to implement some custom high speed opto > protocol in software. It's not easy, as for me. > > It would be better to get MCU with built in IRDA hardware, like > MSP430F2234 or some of Renessas MCUs. > Opto protocol? No, I guess you are in the wrong direction. I need opto coupler for isolation. I am not doing any opto communication. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist