NXP Semiconductors P89LPC9221FN,112 Connectivity: I??C, UART/USART Core Processor: 8051 Core Size: 8-Bit Data Converters: - Eeprom Size: - Number Of I /o: 18 Operating Temperature: -40?°C ~ 85?°C Oscillator Type: Internal Package / Case: 20-DIP (0.300", 7.62mm) Peripherals: Brown-out Detect/Reset, LED, POR, PWM, WDT Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH Ram Size: 256 x 8 Series: LPC900 Speed: 18MHz Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V Other Names: 568-3224-5, 935277592112, P89LPC9221FN