NEC VR4100

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The NEC VR4100 series of CPUs are based on the MIPS R4000 core.

VR4121

VR4122

VR4131

VR4133

NEC VR4133


VR4181

VR4181A

The VR4181A (µPD30181A) is a 131 MHz 64-bit MIPS CPU that roughly implements the (MIPS III ISA, (without FPU, LL, and SC instructions) and MIPS16), plus interfaces for TFT/STN LCD display, dual CompactFlash, 3 UARTs, IrDA, I2C, 64 parallel I/O, RTC, watchdog timer, keyboard, USB, touch, audio I/O, and ISA-subset expansion bus.

Datasheets

Datasheets are available from NEC Electronics search page.

External links