I have designed an ESC which used as a driver ckt for brushless dc motor which converts dc voltage from the battery(li polymer 12 v) to 3 phase ac. for info.:- esc works on pwm & d driver ckt i have made uses mosfets n ucc ICs.(6 mosfets,3 ICs). but d problem lies in d coding of 8051 mc. if some1 can help me out wit d coding i ll be highly grateful 2 him/her.