MCP3909RD-3PH1 Microchip Technology, MCP3909RD-3PH1 Datasheet - Page 38

• Manufacturer Part Number: MCP3909RD-3PH1
• Description: REF DESIGN MCP3909 3PH ENGY MTR
• Manufacturer: Microchip Technology

Specifications of MCP3909RD-3PH1

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: No
• Utilized Ic / Part: MCP3909, PIC18F2520, PIC18F4550
• Primary Attributes: 3-Ph, 220 VAC, In Case, LCD, USB, GUI
• Secondary Attributes: Opto-Isolated Interface for Safety
• Operating Voltage: 220 V
• Operating Current: 5 A
• Description/function: Energy Meter
• For Use With/related Products: MCP3909
• Lead Free Status / RoHS Status: Not applicable / Not applicable

MCP3909 / dsPIC33F 3-Phase Energy Meter Reference Design
3.8
TABLE 3-3:
DS51723A-page 38
main.h
main.c
global.h
global.c
MCP390x.h
MCP390x.c
calcu.h
calcu.c
uart_comm.c
uart.c
Calibrate.c
Calibrate.h
Adc.c
Adc.h
I2Csubs.h
I2Csubs.c
interrupt.h
interrupt.c
Asmcode.c
File Name
DESCRIPTION OF PROJECT FILES
FILE DESCRIPTION
Main program
Mainly define important system macros, key data structures, and declare global variables.
Declare macros, constants, local global variables, some of the global variables and functions
used in the MCP390X device.
Functions involved with the MCP390X device, including set SPI, initialize the MCP390X device
and read data.
Declare macros, constants, local global variables, some of the global variables and functions
used in calcu.c.
Main module to calculate parameters, including calculate frequencies, current/voltage RMS,
power, power factors and energy, and analyze harmonics.
Declare macros, constants, local global variables, some of the global variables and functions
used in uart.c.
Receive, transmit, process protocol and so forth for UART communication.
Program for Ratio error calibration, power calibration and phase lag calibration, it stores and
initializes calibration data.
Declare constants, local variables and global variables used in calibration.
On-chip ADC operation, detecting the current of neutral wire.
Control EEPROM of off-chip I
Declare macros, constants, local global variables, some of the global variables and functions
used in interrupt.c.
Set interrupts and ISRs.
Some assemble functions used in calculation.
2
C interface.
Description
© 2009 Microchip Technology Inc.