Manufacturer: Honeywell Microelectronics & P  •  Series: HTMOS™  •  Core Processor: MCS 51  •  Core Size: 8-Bit  •  Speed: 16MHz  •  Connectivity: EBI/EMI, UART/USART  •  Peripherals: PWM, WDT  •  Number of I /O: 32  •  Program Memory Size: 8KB (8K x 8)  •  Program Memory Type: Mask ROM  •  RAM Size: 256 x 8  •  Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V  •  Oscillator Type: Internal  •  Operating Temperature: -55°C ~ 225°C  •  Package / Case: 40-CDIP (600 mil)