Philips Semiconductors P89LPC954FBD44,151 Product Category: 8-bit Microcontrollers - MCU RoHS: yes Core: 80C51 Data Bus Width: 8 bit Maximum Clock Frequency: 18 MHz Program Memory Size: 16 KB Data RAM Size: 512 B On-Chip ADC: Yes Operating Supply Voltage: 2.4 V to 3.6 V Maximum Operating Temperature: + 85 C Package / Case: LQFP Mounting Style: SMD/SMT Interface Type: I2C, SPI, UART Minimum Operating Temperature: - 40 C Number of Programmable I/Os: 40 Number of Timers: 2 Processor Series: P89LPC9x Program Memory Type: Flash Factory Pack Quantity: 160 Supply Voltage - Max: 3.6 V Supply Voltage - Min: 2.4 V Part # Aliases: P89LPC954FBD44-S