MCP3909-I/SS Microchip Technology, MCP3909-I/SS Datasheet - Page 54

• 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
6.4
REGISTER 6-1:
6.5
DS51723A-page 54
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5:4
bit 3:2
bit 1:0
CPO
R-0
STATUS REGISTER
HARMONIC CONTENT COMMAND
CPO: Current Phase Order
1 = Problem Detected
0 = Normal
VPO: Voltage Phase Order
1 = Problem Detected
0 = Normal
PHC_S: Phase C Status
11 = High Votage
10 = No Input
01 = Low Voltage
00 = Normal
PHB_S: Phase C Status
11 = High Votage
10 = No Input
01 = Low Voltage
00 = Normal
PHA_S: Phase C Status
11 = High Votage
10 = No Input
01 = Low Voltage
00 = Normal
VPO
R-0
This register contains the gain register.
STATUS REGISTER
TABLE 6-8:
TABLE 6-9:
0xFF, 0x00
0xFF, 0x00
START
START
W = Writable bit
‘1’ = Bit is set
PHC_S1
R-0
Command
Command
PC TO METER (7 BYTES)
METER RESPONSE (134 BYTES)
0x43
0x44
PHC_S0
R-0
Length
Length
Data
0x00
Data
0x80
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PHB_S1
R-0
Data Field
Data Field
128 bytes
0x00
PHB_S0
R-0
Check Sum
Check Sum
© 2009 Microchip Technology Inc.
x = Bit is unknown
XX
XX
PHA_S1
R-0
STOP
STOP
PHA_S0
0xE0
0xE0
R-0
bit 0