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MAX71335L
ZON P3/P3L Polyphase Electricity
Meter SoC
Best-in-Class Metrology Performance and Custom Peripherals
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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
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■ 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
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■ 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
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