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MAX71314C Datasheet Preview

MAX71314C Datasheet

SinglePhase/Polyphase Electricity Meter SoC

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MAX71315C/MAX71314C/
MAX71335C/MAX71334C
ZON M3S/M3SL and P3S/P3SL Single-
Phase/Polyphase Electricity Meter SoC
General Description
The ZON™ M3S/M3SL and P3S/P3SL (MAX71315C/
MAX71314C and MAX71335C/MAX71334C) integrate
dual 32-bit processors and security engines for demanding
single phase (MAX71315C/MAX71314C) and poly-phase
(MAX71335C/MAX71334C) metering applications with up
to 256KB flash, 21KB RAM, and a single-cycle 32x32 +
64 multiplier. The application processor (MPU) is a 32-bit
MAXQ®30 core. The metrology processor (or Compute En-
gine, CE) is a 32-bit fixed-point processor dedicated to com-
puting the metering parameters from voltage and current
samples. The integrated security engines (AES-128/
192/256, AES-GCM-128, DES, TRNG) provide fast data
encryption and decryption for secure smart grid com-
munications. Integrated 38kHz encoding and decoding
functions saves BOM cost and reduces board space. Two
touch switch pins enable capacitive touch detection.
The device family also integrates all the essential metering
function blocks: LCD controller supporting up to 8 common
planes with a maximum of 288 segments, real-time-clock
(RTC) with automatic temperature compensation, and mul-
tiple serial communication ports (UART, I2C, and SPI).
Applications
Single- or Poly-Phase AMI Metering
Energy Monitoring
Benefits and Features
Advanced Metrology Provides the Best-In-Class Per-
formance
• Up to Seven Metrology Channels for Polyphase
Metering and Up to Four Channels for Single-/ Two-
Phase Metering
• 0.1% Typical Accuracy Over 5000:1 Current Range
with Integrated Metrology ADCs
Integrated ADCs Support Current Transformers,
Rogowski Coils, and Shunts
• Three Remote ADC Interfaces for Current Sensing
with Remote Shunts
Ordering Information appears at end of data sheet.
MAXQ is a registered trademark of Maxim Integrated
Products, Inc.
Rev 8; 12/2019
Benefits and Features (Continued)
Dedicated RTC Circuit Ensures Accurate Timekeeping
Integrated Security Engines for Secure Smart Metering
AES-128/192/256, and AES-GCM-128
True Random Number Generator
3DES
On-Chip CE-OnGuard Protects Metering Operations
from Unauthorized Access, and Ensuring Authenticity
of Peripheral Operations
Supports Welmec/MID
Rich Peripherals Support Reduces Board Space and
Lowers BOM Cost
Low-Power ADC for Environmental Monitoring
LCD Controller Supporting Up to Eight Common
Planes: 8x36 / 6x38 / 4x40
• Up to 52 (ZON P3S/P3SL) or 54 (ZON M3S/M3SL)
GPIO pins
SPI (Master and Slave), Master I2C, 4x UARTs, Two
Smart Card Ports, Two Touch Switch Inputs
38kHz IR Encoder/Decoder
Single-Cycle 32x32 + 64 Multiply-Accumulate Unit for
Demanding Signal Processing
Dual 32-Bit Programmable Cores Provide High Proces-
sing Power and Flexibility
Metering Core (Compute Engine) with up to 20MIPS
at 20MHz, and up to 8KB RAM for Data and Code
Application Core with up to 20MIPS at 20MHz,
256KB/128KB Flash Code Space, 12KB Data RAM
plus 1KB NVRAM
Configurable Operation Modes Save Power
• 1.6μA SLP Mode (VBAT_RTC)
• 14.6μA LCD Mode (VBAT_RTC and VBAT)
1KB NVRAM in SLP Mode, Optional 8KB NVRAM
Backup in LCD Mode (with VBAT active)
LQFP-100 Package




Silergy

MAX71314C Datasheet Preview

MAX71314C Datasheet

SinglePhase/Polyphase Electricity Meter SoC

No Preview Available !

MAX71315C/MAX71314C/
MAX71335C/MAX71334C
Typical Application Circuit
PHASE A
NEUTRAL
PHASE B
PHASE
C
CURRENT TRANSFORMERS
AND SHUNT RESISTOR
ZON M3S/M3SL, P3S/P3SL Single-
Phase/Polyphase Electricity Meter SoC
LOAD
POWER SUPPLY
NEUTRAL
MAX71334C/
MAX71335C
ADCs AND FIRs
IAP
IAN
VA
IBP
IBN
VB
ICP
ICN
VC
INP
INN
V3P3A V3P3SYS
TEMPERATURE
SENSOR
ONGUARD
AGND DGND
PWR MODE
CONTROL
WAKE-UP
REGULATOR
VBAT
VBAT_RTC
BATTERY MONITOR
V3P3D
BATTERY
RTC
BATTERY
VREF
RAM
COM0COM7
LCD DISPLAY
SERIAL PORTS
32-BIT COMPUTE
SEG
8888.8888
AMR
UART0
UART1
UART2
ENGINE
LCD DRIVER
GPIO, PULSES
UART3
FLASH 128KB/256KB
GPIO
DIO
SECURITY ENGINES
PULSE
OUTLETS
PULSE LEDs
32 x 32 + 64 MAC
SPI INTERFACE
MPU
RTC
TIMERS
ICE
I2C
OSCILLATOR/PLL
XIN
XOUT
I2C EEPROM
32kHz
www.silergy.com
Silergy Corp 2


Part Number MAX71314C
Description SinglePhase/Polyphase Electricity Meter SoC
Maker Silergy
PDF Download

MAX71314C Datasheet PDF






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