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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX71315 Datasheet

Single-Phase Electricity Meter SOC

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MAX71314/MAX71315
EVALUATION KIT AVAILABLE
Single-Phase Electricity Meter SOC
General Description
The MAX71314/MAX71315 integrate dual 32-bit
processors for demanding single-phase metering appli-
cations with 256kB flash (MAX71315) or 128kB flash
(MAX71314), 12kB RAM, and a single-cycle 32 x 32
+ 64 multiplier. The user processor (MPU) is a 32-bit
MAXQ®30 core. The metrology compute engine (CE) is
a 32-bit processor dedicated to computing the metering
parameters from voltage and current samples.
Features and Benefits
● Four Independent Metrology Channels
● 0.1% Accuracy Over 5000:1 Current Range with
Integrated Metrology ADCs
● Two Remote ADC Interfaces
● Support Current Transformers, Rogowski Coils, and
Shunts
● Four Pulse Outputs from the CE
● Digital Temperature Compensation for Metrology
● 45Hz to 65Hz Line Frequency Range with the Same
Calibration
● Phase Compensation (±10°)
● 256kB Flash, 12kB SRAM (MAX71315)
● 128kB Flash, 12kB SRAM (MAX71314)
For related parts and recommended products to use with this part, refer
to www.maximintegrated.com/MAX71314.related.
● Single-Cycle 32 x 32 + 64 Multiply-Accumulate Unit
● Low-Power 5ksps ADC for Environmental Monitoring
● RTC with Temperature Compensation
● On-Chip Digital Temperature Sensor
● LCD Controller Supporting Up to Eight Common
Planes
● Two PWM Relay Control Channels with
Programmable Frequency, Duty Cycle, and Ramp
Time
● Two Touch Switch Inputs
● 12.5mA Typical Consumption at 3.3V and 10MHz in
Active Mode
● 1.75µA Sleep Mode
● SPI (Master and Slave), Master I2C, 4 x UARTs
● Two Smart Card Ports
● 38kHz IR Encoder/Decoder
● Up to 10 MIPS (at 10MHz)
● 100-Pin LQFP
Ordering Information appears at end of data sheet.
MAXQ is a registered trademark of Maxim Integrated Products, Inc.
19-6883; Rev 0; 12/13


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX71315 Datasheet

Single-Phase Electricity Meter SOC

No Preview Available !

MAX71314/MAX71315
Single-Phase Electricity Meter SOC
Typical Operating Circuit
NEUTRAL SHUNT
LINE
SHUNT
LOAD
NEUTRAL
LINE
POWER SUPPLY
71M6xx1
PULSE
TRANSFORMER
AUX VOLTAGE INPUT
AMR
IR
HOST
ADC
IAP
IAN
VA
VB
IBP
IBN
VREF
SERIAL PORTS (4)
TX
RX
IR
MOD/
DEMOD
POWER FAULT
COMPARATOR
SPI INTERFACE
V3P3A
V3P3SYS
MAX71314
MAX71315
TEMPERATURE
SENSOR
RAM
COMPUTE
ENGINE
GNDA GNDD
PWR MODE
CONTROL
WAKE-UP
REGULATOR
VBAT
VBAT_RTC
BATTERY
MONITOR
DISPLAY
COM0...7
SEG
SEG/DIO
BATTERY
RTC
BATTERY
LCD DISPLAY
8888.8888
FLASH MEMORY
MAXQ30
RTC
TIMERS
ICE
PERIPHERALS
RELAY PWM
TOUCH SW
I2C
SMART CARD
OSCILLATOR/
PLL
32kHz
www.maximintegrated.com
Maxim Integrated 2


Part Number MAX71315
Description Single-Phase Electricity Meter SOC
Maker Maxim Integrated
Total Page 30 Pages
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