Speedy RISC MCU integrates faster Flash

The SH708xF series of 32bit RISC microcontrollers feature the industry's fastest embedded Flash technology with 12.5ns access time.

Renesas Technology Europe has announced its flagship SH708xF series of 32bit RISC microcontrollers that feature the industry's fastest embedded Flash technology with 12.5ns access time.

The devices operate at 80MHz with no wait states, yielding over 100DMIPS, the highest CPU performance offered by a Renesas microcontroller.

They also offer excellent real-time behaviour, making the series ideal for high performance industrial systems with tight real-time requirements, such as electrical motor drives.

One device can drive up to two motors, providing a major cost saving compared with a system with one microcontroller per motor.

The SH708xF series offers both 3.3 and 5V versions operating at 80MHz and includes 256 or 512Kbyte zero-wait-state 12.5ns access MONOS (metal oxide nitride silicon) Flash and 16 or 32Kbyte RAM.

A special feature of the Flash memory is the central nitride, which enables smaller cell construction and therefore faster speed and reduced cost.

The 32bit CPU core has 16 general purpose registers, a five-stage pipeline, a 32 x 32 multiplier and vectored interrupts.

A comprehensive range of peripherals includes direct memory Access (DMA) and a data transfer controller (DTC), to facilitate high speed and flexible data transfers, and sophisticated timer units (MTU2, MTU2S) to support two electrical motors as well as general purpose timer tasks.

An additional two-channel compare-match timer (CMT) and watchdog timer are also offered, as is a bus state controller (BSC) that supports SRAM, Flash, SDRAM and PCMCIA, multiplexed and non multiplexed buses.

Other features include: three channel serial ports; a serial port with 16byte FIFO; an IIC serial port; a synchronous serial communication unit (SSU, SPI-compatible); up to three analogue to digital convertors (ADC), each with several channels and independent sample and hold, 2.5us conversion time and 10bit resolution; and up to 136 IO lines.

The series is supported by Renesas' popular E10A-USB debugger, which employs integrated on-chip-debug resources.

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