Philips Semiconductors P89LPC9351FA,529 RoHS: yes Core: 80C51 Data Bus Width: 8 bit Maximum Clock Frequency: 18 MHz Program Memory Size: 8 KB Data RAM Size: 256 B On-Chip ADC: Yes Operating Supply Voltage: 2.4 V to 3.6 V Maximum Operating Temperature: + 85 C Package / Case: PLCC-28 Mounting Style: SMD/SMT A/D Bit Size: 8 bit A/D Channels Available: 8 Interface Type: I2C, SPI, UART Minimum Operating Temperature: - 40 C Number of Programmable I/Os: 23 Number of Timers: 2 On-Chip DAC: No Processor Series: P89LPC Program Memory Type: Flash Factory Pack Quantity: 37 Supply Voltage - Max: 3.6 V Supply Voltage - Min: 2.4 V