Top Stories New 8-bit USB Microcontroller for Consumer Applications Entry-level JS16 microcontrollers designed to reduce cost and speed time to market for wireless PC peripherals and other USB devices Freescale Semiconductor has released the new low-cost 8-bit MC9S08JS16 Microcontroller with USB support. The JS16 devices extend Freescale’s entry-level universal serial bus (USB) portfolio with one of the industry’s most cost-effective 8-bit solutions for USB control. The JS16 MCUs feature a full-speed USB 2.0 controller and up to 16 KB of flash. The JS16 devices also offer several features for system protection, such as low voltage detection and a computer operating properly (COP) module. The JS16 devices are ideal for a wide range of consumer and industrial applications, such as PC peripherals, wireless keyboards and mouse receivers, wireless adapters, USB dongles, SD card readers, RS-232 to USB bridges, remote controls and uninterruptible power supplies. The MC9RS08KA family offers a robust support environment and a pin-compatible route into the MC9S08QG when designers need to add new functionality. Shared peripherals and a common set of development tools help make it easy for engineers to leverage their design investment upstream. JS16 MCUs are software-compatible with Freescale’s JM16 family, providing a migration path to higher performing devices. The JS16 devices are supported by a USB-LITE Stack by CMX and USB-MINI Stack with HID and CDC classes. These complimentary stacks are available with source code. To help developers speed time to market, the JS16 devices are backed by a complimentary edition of CodeWarrior® Development Studio for Microcontrollers 6.2, which provides an integrated design environment that simplifies source-level debugging and embedded development. MC9S08JS16 features -- Integrated full-speed USB 2.0 device controller -- 16/8KB flash; 512B SRAM; 256Bytes USB RAM -- ROM based USB bootloader -- 2.7V to 5.5V operation; -40 to 85°C operation -- Serial communication interface (SCI) and serial peripheral interface (SPI) -- 8-channel keyboard interrupt (KBI) -- 16-bit timer: 1 x 2-channel -- 8-bit modulo timer (MTIM) -- One hardware cyclic redundancy check (CRC) module -- 12 general-purpose I/O and 2 output-only pin -- Multiple purpose clock generation -- 24QFN, 20SOIC package options The company's Web site address is http://www.freescale.com/. [Reprinted with kind permission from Freescale Semiconductor]

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