MAX78615-LMU 데이터 시트보기 (PDF) - Maxim Integrated

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MAX78615-LMU

Isolated Energy Measurement Processor for Load Monitoring Units

Maxim Integrated 

MAX78615+LMU Data Sheet

On-Chip Resources Overview

The MAX78615+LMU device, when connected with an isolated MAX78700, integrates all the hardware blocks

required for accurate AC power and energy measurement. Included in the MAX78615 are:

• Oscillator circuits and clock management logic

• Power-on reset, watchdog timer, and reset circuitry

• 24-bit energy measurement processor (EMP) with RAM and flash memory

• Serial UART, SPI, I2C interfaces and multipurpose digital I/O

• Pulse Transformer Interface (for connection to one or more MAX78700)

Block Diagram

The following is a block diagram of the hardware resources available on the MAX78615+LMU.

VCC

GND

XIN

XOUT

RESET

PULSE TRANSFORMER INTERFACES

PULSE TRANSFORMER CONTROL

2.5V

REG

XTAL

OSC

RC

OSC

CLK CLK

SEL GEN

EMP

SPI

I2C

IO

MUX

UART

TIMERS

WATCHDOG

INFO.

BLOCK

FLASH

4Kx16

PROGRAM

MEMORY

RAM

512x24

Figure 4. Block Diagram

IFC0

MP0 / IFC1

SPCK / ADRR0

SDI / RX / SDAi

SDO / TX / SDAo

MP4

SSB / DIR / SCL

MP6 / ADDR1

MP7

COMP1

COMP2

Rev 0

11

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