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NEC upgrades its CPU peripherals' capacity

Posted: 01 Jul 2008 ?? ?Print Version ?Bookmark and Share

Keywords:CPU peripherals? USART? MCU? RoHs?

Enhancing its lineup of CPU peripherals, NEC Electronics America Inc. introduced three ASSPs, including USART, programmable timer/counter and parallel interface unit (PIU) for standard applications such as computers, office equipment, communications equipment, test and measurement equipment, and home electronic appliances.

Based on NEC Electronics' established 0.5? CMOS process, the uPD65881GB-P0x series of ASSPs are functionally compatible with the industry's uPD7105x and uPD825x support chips and provide designers with an easy migration path, a stable supply source and long-term product support.

The uPD65881GB-P0x series are designed for operation at 5V and are available in a 44-pin plastic QFP package. Aside from being Pb-free to meet current RoHS regulations, all three devices are qualified to support industrial temperature ranging from -40C to 85C.

The uPD65881GB-P01 programmable timer/counter delivers high-performance functionality for control of CPU timing by incorporating a range of features, including three independently operated 16bit counters and six count modes for each counter.

The uPD65881GB-P02 USART is capable of synchronous, asynchronous or bisynchronous serial communication with standard microcontrollers (MCUs). Features include low-power standby mode, error detection for parity, overrun and framing and compatibility with the previous-generation uPD71051 and uPD8251 USARTs.

The uPD65881GB-P03 PIU delivers operations ranging from basic I/O up to high-level handshake protocols. The PIU is MCU-compatible and features three 8bit I/O ports, three programmable operating modes and no-wait operation.

- Ismini Scouras
eeProductCenter





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