Maxim 71M6531F

The Maxim 71M6531F is an 80515-based MCU with 7 Interrupts/4 Priority Levels, Dual Datapointer, 256KByte shared ISP-Flash, 256Bytes IRAM ,4KByte share XRAM, 32-Bit signal processor (CE Computing Engine), 4 Sensor inputs, 0.1 % Wh measurement accuracy, Watchdog Timer, 2 UARTs, SPI, 4 Segement LCD Driver up to 156 Pixels, Power-Fail Monitor, On-Chip: Oscillator, PLL, and Temperature Sensor, RTC, 22-Bit Single Delta-Sigma ADC, FIR Filter, Up to 22 GPIO Pins, PWM, Brownout mode, I2C, Integrated ICE Support, and four-quadrant metering.