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Silergy

MAX71314L Datasheet Preview

MAX71314L Datasheet

Single-Phase Electricity Meter SoC

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MAX71313L/MAX71314L
ZON M1L/M1
Single-Phase Electricity Meter SoC
General Description
The ZON™ M1L (MAX71313L) and M1 (MAX71314L)
electricity meter systems-on-chip (SoC) integrate dual
32-bit processors for demanding single-phase metering
applications with 128KB or 64KB flash, 8KB RAM, and a
single-cycle 32 x 32 + 64 multiplier. A low-power meter-
ing mode allows metering in the presence of neutral dis-
connect tampering. The low-power, dedicated compute
engine (CE) handles high-rate metrology processing and
a 32-bit MAXQ30 MPU core handles other application
functions including communications and display control.
● Small 64-Pin LQFP Package Saves Board Space
● Low-Power Operation Extends Battery Life
• Enables Metering Mode Operation During Neutral
Disconnect Tampering
• 5.6 mA Consumption at 3.3V in Typical Metering Mode
• 1.6 mA Typical Current Consumption at 3.3V in
Low-Power Metering Mode
• 1.75µA Typical Sleep Mode Current
Features and Benefits
● Single ADC Offers High-Accuracy Performance and
Cost-Effective Solution
• Supports Up to 5 Multiplexed Inputs
• 0.1% (typ) Wh Accuracy over 2000:1 Current Range
● Dual-Core Architecture Improves System
Performance
• Dedicated 32-bit DSP Core for High-Rate Metrology
Processing
• MAXQ30 32-Bit RISC MPU, 10 MIPS (at 10MHz)
● Highly Integrated Product Features and Flexible
Peripherals Support Broad Application Needs
128KB (M1) or 64KB (M1L) flash, 8KB SRAM
• Supports Current Transformers or Shunts for Current
Measurement
• RTC with Hardware Temperature Compensation
• Digital Temperature Compensation for Metrology
• 45Hz to 65Hz Line Frequency Range
• Phase Compensation (10)
• Four Pulse Outputs
• LCD Controller Supports Up to 39 Segment Drivers
and Up to Six Common Planes
• Two PWM Channels with Programmable Frequency,
Duty Cycle, Ramp Time
• Five General-Purpose Timers
• Touch Switch Input
• SPI (Master and Slave)
• I2C (Master and Slave)
• 3x UARTs (One with Optical Encoder)
ZON is a trademark of Silergy Corp
Block Diagram
CRYSTAL OSCILLATOR CLOCK GENERATOR
POWER-SUPPLY BATTERY MANAGEMENT
VA
IAP
IAN ΔΣ ADC
IBP
IBN
TEMP
SENSOR
TOUCH
SENSOR
DATA
RAM
4KB
OPTICAL
MODULATOR
COMPUTE
ENGINE
CE RAM
4K
MAXQ30
CORE
FLASH
128KB (M1)
64KB (M1L)
ZON M1L
ZON M1
PULSE x 4
UART x 3
TIMER x 5
SPI
I2C
LCD
39 x 1
39 x 2
39 x 3
39 x 4
38 x 5
37 x 6
RTC
PIN
MAPPING
Ordering Information/Selector Guide and Typical Operating
Circuit appears at end of data sheet.
Rev 2; 4/16




Silergy

MAX71314L Datasheet Preview

MAX71314L Datasheet

Single-Phase Electricity Meter SoC

No Preview Available !

MAX71313L/MAX71314L
ZON M1L/M1
Single-Phase Electricity Meter SoC
Typical Operating Circuit
NEUTRAL
SHUNT
LINE SHUNT
LOAD
NEUTRAL
LINE
POWER SUPPLY
+3.3V
GND
AMR
IR
I2C
EEPROM
ADC
IAP
IAN
IBP
IBN
VA
VREF
TX
RX
SERIAL PORTS (3)
IR
MOD
POWER FAULT
COMPARATOR
I2C
V3P3SYS
ZON
M1L/M1
TEMPERATURE
SENSOR
RAM
COMPUTE
ENGINE
GNDA GNDD
PWR MODE
CONTROL
WAKE-UP
REGULATOR
VBAT
VBAT_RTC
BATTERY
MONITOR
DISPLAY
SEG
BATTERY
RTC
BATTERY
LCD DISPLAY
FLASH MEMORY
MAXQ30
RTC
TIMERS
ICE
PERIPHERALS
RELAY PWM
TOUCH SW
SPI INTERFACE
OSCILLATOR/
PLL
32kHz
www.silergy.com
Silergy Corp 2


Part Number MAX71314L
Description Single-Phase Electricity Meter SoC
Maker Silergy
PDF Download

MAX71314L Datasheet PDF






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