MC9S08JS 8-bit Microcontroller The NXP Semiconductor MC9S08JS 8-bit microcontroller (MCU) family extends the NXP entry-level 8-bit embedded USB controller product line with up to 16 KB Flash memory and a full-speed USB 2.0 device controller. The NXP MC9S08JS MCU family includes several system protection features, such as low voltage detection and a Computer Operating Properly (COP) module. The NXP MC9S08JS8 MCU and MC9S08JS16 MCU are ideal for a variety of industrial control applications and consumer devices, including PC peripherals and remote controls. The MC9S08JS MCU family is software compatible with other devices in the Controller continuum, providing a direct migration path to higher performing USB MCUs.