Philips Semiconductors P89LPC936FDH,529 Core: 89LP Data Bus Width: 8 bit Maximum Clock Frequency: 18 MHz Program Memory Size: 16 kB Data RAM Size: 768 B On-Chip ADC: Yes Operating Supply Voltage: 2.4 V to 3.6 V Maximum Operating Temperature: + 85 C Package / Case: TSSOP-28 Interface Type: I2C/SPI/UART Minimum Operating Temperature: - 40 C Number of Programmable I/Os: 26 Number of Timers: 2 On-Chip DAC: No Program Memory Type: Flash Factory Pack Quantity: 51 Supply Voltage - Max: 3.6 V Supply Voltage - Min: 2.4 V