NEC Electronics America announces V850e/MA3 microcontroller.NEC (NEC Corporation, Tokyo, www.nec.com, www.necus.com) An electronics conglomerate known in the U.S. for its monitors. In Japan, it had the lion's share of the PC market until the late 1990s (see PC 98). NEC was founded in Tokyo in 1899 as Nippon Electric Company, Ltd. Electronics America, Inc. has introduced the new V850E/MA3 microcontroller (MCU (1) (MicroController Unit) A computer on a single chip. See microcontroller. (2) (Multipoint Control Unit) A device that is used to moderate a videoconference of three or more end points (users at computers or groups of users ), the latest addition to the company's V850E family of microcontrollers. The new V850E/MA3 microcontroller, the highest-performing device with embedded large flash and mask read-only memory (storage) Mask Read-Only Memory - (MROM) A kind of ROM in which the memory contents are determined by one of the masks used to manufacture the integrated circuit. MROM can give high storage density (bits per millimeter squared) making it a cheap solution for high volume applications. (ROM) in NEC Electronics' popular 32-bit V850 microcontroller family, operates at 80 megahertz (MHz) and executes 106 Dhrystone1.1 million instructions per second Noun 1. million instructions per second - (computer science) a unit for measuring the execution speed of a computer's CPU (but not the whole system); "4 MIPS is 4,000,000 instructions per second" MIPS (MIPS (Million Instructions Per Second) The execution speed of a computer. For example, .5 MIPS is 500,000 instructions per second; 100 MIPS is a hundred million instructions per second. ). The microcontroller's large memory capacity, broad peripheral set and high performance can enable a variety of applications requiring real-time processing, including printers, networked consumer appliances, digital audio/video (A/V) systems, inverter motor controllers and industrial equipment. "In recent years, the greater performance requirements and increased sophistication so·phis·ti·cate v. so·phis·ti·cat·ed, so·phis·ti·cat·ing, so·phis·ti·cates v.tr. 1. To cause to become less natural, especially to make less naive and more worldly. 2. of applications has created a need for higher-performing controller solutions," said Steve Ikei, senior engineering manager, microcontroller strategic business unit, NEC Electronics America, Inc. "The V850E/MA3 microcontroller was designed to meet these performance needs, but it also integrates a large number of peripherals on-chip, thereby lowering component counts for cost-sensitive applications." In addition to its high operating frequency, the V850E/MA3 microcontroller achieves its high performance by providing up to 512 kilobytes (KB) of on-chip ROM and 32 KB of on-chip random access memory (RAM). This large memory capacity doubles the number of instructions that can be read and executed in one clock cycle. Furthermore, the V850E/MA3 microcontroller also lowers overall system costs by providing enough memory on board to support applications such as inverters and AC servo controllers that traditionally required off-chip memory. The large number of peripherals onboard the V850E/MA3 microcontroller further reduces the need for additional components. The MCU's peripheral set includes a powerful timer function capable of controlling a 3-phase motor, a 5-megabit per second (Mbps) asynchronous Refers to events that are not synchronized, or coordinated, in time. The following are considered asynchronous operations. The interval between transmitting A and B is not the same as between B and C. The ability to initiate a transmission at either end. serial interface, a 10-MHz clocked serial interface, an I2C bus interface, a 10-bit A/D converter and an 8-bit D/A converter. This broad peripheral set allows the V850E/MA3 microcontroller to drive a variety of system types, all from one chip. |
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