a project student currently using a pic16f628,mcp2120 and hdsl1100 to build up infraded transmission.meet prob in the output waveform of mcp2120.i m using bit rate 9600 for pic and mcp2120.o/p from pic is alright with bit period 0.104ms and after encoding through mcp2120.supposed to has a logic high 3-bit clk cycles for logic low from pic.wat i saw from oscilloscope is the logic high 3-bit clk only has 1.8microsec instead of 19.5microsec.i checked the oscillator crystal is correct.with crystal 7.3728MHZ and baud2:baud0=000.i suspect is the data rate problem but cant find solution?any help is much appreciated
i've attached a mcp2120 schematic of my proj setting.the pic two TXIR's logic high waveleaght is too short.only 1.8micros....got it?anyone who know bout it pls help....urgently....thank lot..... :wink:
i've attached a mcp2120 schematic of my proj setting.the pic two TXIR's logic high waveleaght is too short.only 1.8micros....got it?anyone who know bout it pls help....urgently....thank lot..... :wink: