MCP3909RD-3PH3 Microchip Technology, MCP3909RD-3PH3 Datasheet - Page 50

• Manufacturer Part Number: MCP3909RD-3PH3
• Description: REF DESIGN FOR MCP3909 W/18F2520
• Manufacturer: Microchip Technology

Specifications of MCP3909RD-3PH3

• Main Purpose: Power Management, Energy/Power Meter
• Utilized Ic / Part: MCP3909, PIC18F2520, PIC18F4550
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

MCP3909 3-Phase Energy Meter Reference Design
5.3.4
FIGURE 5-4:
DS51643B-page 46
Flow Chart for Gain Matching Flow
Gain Matching Flow Chart.
CAL_CONTROL register
Put meter in Calibration
Enable Calibration Mode
PHy_W_RAW register
Consider this phase U1
by setting bit 0 and 1 of
Set MODE1 register
Configuration C1 (V
bits and LINE_CYC
PHy_W_GAIN and
calibration register
contents based on
Calculate & Write
Read contents of
Read contents of
STAND_W_RAW
PHy_VA_GAIN
and I
Section 5.3.5
CAL_MODE
equations in
bit 1 low
register
register
B
to 1
at PF=1).
Is
?
YES
B
NO
© 2008 Microchip Technology Inc.