A newer device is available Please consider the PIC16F887 This powerful 200 nanosecond instruction execution yet easytoprogram only 35 single word instructions CMOS FLASHbased 8bit microcontroller packs Microchips powerful PIC architecture into an 40 or 44pin package and is upwards compatible with the PIC16C5X PIC12CXXX and PIC16C7X devices PIC16F877 features 256 bytes of EEPROM data memory self programming an ICD 8 channels of 10bit AnalogtoDigital AD converter 2 additional timers 2 capturecomparePWM functions the synchronous serial port can be configured as either 3wire Serial Peripheral Interface SPI or the 2wire InterIntegrated Circuit IC bus and a Universal Asynchronous Receiver Transmitter USART All of these features make it ideal for more advanced level AD applications in automotive industrial appliances and consumer applications