MCP3909-I/SS Microchip Technology, MCP3909-I/SS Datasheet - Page 56

• Manufacturer Part Number: MCP3909-I/SS
• Description: IC POWER METERING-1 PHASE 24SSOP
• Manufacturer: Microchip Technology

Specifications of MCP3909-I/SS

• Package / Case: 24-SSOP (0.200", 5.30mm Width)
• Input Impedance: 390 KOhm
• Measurement Error: 0.1%
• Voltage - I/o High: 2.4V
• Voltage - I/o Low: 0.85V
• Current - Supply: 2.3mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Meter Type: Single Phase
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: SSOP
• No. Of Pins: 24
• Interface Type: Serial, SPI
• Supply Voltage Max: 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP3909EV-MCU16 - EVALUATION BOARD FOR MCP3909MCP3909RD-3PH1 - REF DESIGN MCP3909 3PH ENGY MTR
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MCP3909 / dsPIC33F 3-Phase Energy Meter Reference Design
6.7
6.8
DS51723A-page 56
START ENERGY MEASUREMENT COMMAND
STOP ENERGY MEASUREMENT COMMAND
TABLE 6-14:
TABLE 6-15:
TABLE 6-16:
TABLE 6-17:
TABLE 6-18:
1-4
5-8
9-12
13-16
17-20
21-24
25-28
29-32
33-36
0xFF, 0x00
0xFF, 0x00
0xFF, 0x00
0xFF, 0x00
Data Field
START
START
START
START
Byte
First quadrant reactive energy
Second quadrant reactive energy
Third quadrant reactive energy
Fouth quadrant reactive energy
Forward Reactive energy
Reverse Reactive Energy
Forward Active Energy
Reverse Active Energy
Reverse Active Energy
Command
Command
Command
Command
PC TO METER (7 BYTES)
METER RESPONSE (42 BYTES)
TOTAL HARMONIC DISTORTION DESCRIPTION
PC TO METER (7 BYTES)
METER RESPONSE (7 BYTES)
0x47
0x48
0x48
0x49
Length
Length
Length
Length
Data
0x00
Data
0x24
Data
0x00
Data
0x00
Description
Data Field
Data Field
Data Field
Data Field
36 bytes
0 bytes
0x00
0x00
Check Sum
Check Sum
Check Sum
Check Sum
© 2009 Microchip Technology Inc.
XX
XX
XX
XX
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Value
STOP
STOP
STOP
STOP
0xE0
0xE0
0xE0
0xE0