MAX71335LECQ+

Page 1 of 3 MAX71335L ZON P3/P3L Polyphase Electricity Meter SoC Best-in-Class Metrology Performance and Custom Peripherals NDA Required. Request Full Data Sheet Subscribe Active: In Production. OVERVIEW Description The ZON™ P3L/P3 (MAX71334L/MAX71335L) metering SoC (systems on chip) integrates dual 32-bit processors for polyphase metering applications. It contains 256KB flash (ZON P3) or 128KB flash (ZON P3L), 12KB RAM and a single-cycle 32 x 32 + 64 multiplier. The application processor (CPU) is a 32-bit MAXQ®30 core. The metrology processor is a proprietary compute engine (CE), a 32-bit RISC processor dedicated to computing the metering parameters from voltage and current samples. Key Features • Dual-Core Architecture for Improved System Performance and Flexibility ◦ Dedicated 32-Bit DSP Compute Engine for Metrology Processing ◦ MAXQ30 32-Bit RISC MPU Core, Up to 10 MIPS (at 10MHz), with 256kB Flash or 128kB Flash, and 12kB data RAM MAX71334L, MAX71335L: Diagram Enlarge+ Applications/Uses • Polyphase electricity meters • Polyphase energy monitoring • Smart Meters Page 2 of 3 ■ Advanced AFE with High Accuracy and Temperature Stability ■ Four Independent ADCs Measuring Four Current Channels and Three Voltage Channels ■ 0.1% Wh Accuracy over 2000:1 Current Range ■ Digital Temperature Compensation for Metrology and RTC ■ 40Hz–70Hz Line Frequency Range, Phase Compensation (±10°) ■ Low-Power 5ksps Auxiliary ADC for Environmental Monitoring ■ On-Chip Digital Temperature Sensor ◦ Highly Integrated Product Features and Flexible Peripherals Support Broad Application Needs ■ LCD Controller Supporting Up to Eight Common Planes ■ Two PWM Control Channels with Programmable Frequency, Duty Cycle, Ramp Time ■ Two Touch Switch Inputs ■ Oscillator Based on 32kHz Watch Crystal with Internal 24MHz Backup R/C Oscillator ■ SPI (Master and Slave), Master I2C Page 3 of 3 ■ Four UARTs (Configurable Pins), Smart Card Interface, 38kHz IR Decoder ■ 100-Pin LQFP http://www.maximintegrated.com/en/products/industries/metering-energy-measurement/MAX71335L.html 1/12/2015