MCP3909-I/SS Microchip Technology, MCP3909-I/SS Datasheet - Page 60

• 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
6.13
6.14
DS51723A-page 60
CALIBRATE ENERGY PULSE COMMAND
RESET ALL METER CALIBRATION VALUES COMMAND
TABLE 6-31:
TABLE 6-32:
TABLE 6-33:
TABLE 6-34:
TABLE 6-35:
TABLE 6-36:
1
2
1
2
3
4
Data Field
Data Field
0x00, 0xFF
0xFF, 0x00
0xFF, 0x00
0xFF, 0x00
START
START
START
START
Byte
Byte
Phase Select
Energy Output Mode
Command Type
Phase Select
Current Range Select
Reserved
Command
Command
Command
Command
PC TO METER (12 BYTES)
METER RESPONSE (7 BYTES)
CALIBRATION OF POWER
PC TO METER (12 BYTES)
METER RESPONSE (7 BYTES)
RESET METER OPTIONS
0x65
0x66
0x66
0x67
Description
Length
Length
Length
Length
Data
Data
Data
Data
Description
2
0
4
0
0x55 - Reset All
0xA1 = Reset
0xA2 - Reset Power Calibration Only
0xA3 - Reset Phase Calibration
0x01 = Phase A
0x02 = Phase B
0x03 = Phase C
Data Field
Data Field
Data Field
Data Field
0x02
0x00
0x04
0x00
Check Sum
Check Sum
Check Sum
Check Sum
© 2009 Microchip Technology Inc.
Value
XX
XX
XX
XX
0x01 = Phase A
0x02 = Phase B
0x03 = Phase C
0x00 = Active Power
0x01 = Apparent Power
Value
STOP
STOP
STOP
STOP
0xE0
0xE0
0xE0
0xE0