Renesas Electronics has a 32-bit microcontroller, the V850E2/PJ4-E, which incorporates an on-chip resolver sensor interface.

The MCU is intended for automotive control systems including motor control for HEV/EV and other automotive applications.

Part of the firm's V850 RISC MCU family, the MCU integrates a newly developed on-chip resolver sensor interface corresponds to a range of resolver sensors, eliminating the need for an external resolver-digital (R/D) converter.

An excitation signal generating function for resolver sensor is also equipped to offer optimum system configuration for driving motor control.

The V850E2/PJ4-E device also includes many peripheral functions including: a high-precision motor control timer (TSG2) that complies with control of various motors, and an A/D converter with synchronised sample-and-hold (S/H) function, which enables more precise measurement of data from each sensor.

The CPU on which the V850E2/PJ4-E MCU is based adopts a dual core lockstep system, in which a comparator continually calculates and detects failures, making it possible to achieve a real-time high failure detection rate via only hardware.

As a result it is suitable for a wide range of applications, especially those that require motor control, which need to meet the high safety requirements of ISO 26262.

Theres is 1Mbyte of ROM, 80kbyte of RAM and 128MHz CPU frequency.

The MCU can operate in environments between −40 to +125 deg C. It also contains a regulator circuit that enables single power supply operation at 5V with an external transistor.

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