MCP3909RD-1PH1 Microchip Technology, MCP3909RD-1PH1 Datasheet - Page 37

• Manufacturer Part Number: MCP3909RD-1PH1
• Description: BOARD DES MCP3909 ENERGY METER
• Manufacturer: Microchip Technology

Specifications of MCP3909RD-1PH1

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP3909, PIC18F85J90
• Primary Attributes: Single Phase Shunt Energy Meter
• Secondary Attributes: 16 Bit ADC
• Ic Function: Single Phase Energy Measurement IC
• Supply Voltage Range: 4.5V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: SSOP
• No. Of Pins: 24
• Interface Type: SPI
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

5.3.2
FIGURE 5-3:
© 2009 Microchip Technology Inc.
Main Flow Chart for Calibration Configuration C1
Main Calibration Flow Chart.
Enable Calibration Mode
CAL_CONTROL register
Put meter in Calibration
by setting bit 0 and 1 of
PHA_W_GLSB, and
Set MODE1 register
ENERGY_W_RAW,
bits and LINE_CYC
(V
Begin Calibration
CFNUM, CFDEN,
Calculate & Write
Read contents of
Configuration C1
PHA_VA_GLSB
B
contents based
PHA_W_RAW
Section 5.3.3
CAL_MODE
equations in
and I
bit 1 low
register
End
to 1
B
Is
?
at PF=1)
YES
NO
Meter Calibration
DS51884A-page 37