Manufacturer: Parallax Inc  •  RoHS/pb-free: RoHS   Pb-free  •  Series: SX  •  Core Processor: RISC  •  Core Size: 8-Bit  •  Speed: 50MHz  •  Peripherals: Brown-out Detect/Reset, POR, PWM, WDT  •  Number of I /O: 36  •  Program Memory Size: 6KB (4K x 12)  •  Program Memory Type: FLASH  •  RAM Size: 262 x 8  •  Voltage - Supply (Vcc/Vdd): 3 V ~ 5.5 V  •  Oscillator Type: Internal  •  Operating Temperature: 0°C ~ 70°C  •  Package / Case: 48-TQFP