71M6513 Maxim, 71M6513 Datasheet - Page 5

• Manufacturer Part Number: 71M6513
• Description: The 71M6513 and 71M6513H are highly integrated SoCs with an MPU core, RTC, flash, and LCD driver
• Manufacturer: Maxim

Recommended External Components ...................................................................................... 97
Packaging Information ............................................................................................................. 98
ORDERING INFORMATION ................................................................................................... 103
Figures
Figure 1: IC Functional Block Diagram .......................................................................................................................... 8
Figure 2: General Topology of a Chopped Amplifier ..................................................................................................... 10
Figure 3: AFE Block Diagram...................................................................................................................................... 11
Figure 4: Samples in Multiplexer Cycle ....................................................................................................................... 14
Figure 5: Accumulation Interval.................................................................................................................................. 14
Figure 6: Memory Map .............................................................................................................................................. 16
Figure 7: Interrupt Structure ...................................................................................................................................... 38
Figure 8: DIO Ports Block Diagram ............................................................................................................................. 39
Figure 9: Oscillator Circuit ......................................................................................................................................... 42
Figure 10: LCD Voltage Boost Circuitry ....................................................................................................................... 43
Figure 11: Voltage Range for V1 ................................................................................................................................ 45
Figure 12: Voltage. Current, Momentary and Accumulated Energy................................................................................ 49
Figure 13: Timing Relationship between ADC MUX, CE, and Serial Transfers ................................................................ 50
Figure 14: RTM Output Format .................................................................................................................................. 51
Figure 15: SSI Timing, (SSI_FPOL = SSI_RDYPOL = 0) ............................................................................................ 51
Figure 16: SSI Timing, 16-bit Field Example (External Device Delays SRDY) ................................................................. 51
Figure 17: MPU/CE Data Flow .................................................................................................................................... 52
Figure 18: MPU/CE Communication (Functional) ......................................................................................................... 53
Figure 19: MPU/CE Communication (Processing Sequence) ........................................................................................ 53
Figure 20: Timing Diagram for Voltages, Current and Operation Modes after Power-Up ................................................. 54
Figure 21: Chop Polarity w/ Automatic Chopping ........................................................................................................ 56
Figure 22: Sequence with Alternate Multiplexer Cycles ................................................................................................ 56
Figure 23: Sequence with Alternate Multiplexer Cycles and Controlled Chopping ........................................................... 57
Figure 24: Wh Accuracy, 0.3A - 200A/240V ................................................................................................................ 77
Figure 25: VARh Accuracy for 0.3A to 200A/240V Performance ................................................................................... 78
Figure 27: Meter Accuracy over Harmonics at 240V, 30A ............................................................................................ 78
Figure 29: Resistive Voltage Divider (left), Current Transformer (right) ......................................................................... 79
Figure 30: Resistive Shunt (left), Rogowski Coil (right) ............................................................................................... 79
Figure 31: Crystal Frequency over Temperature .......................................................................................................... 80
Figure 32: Crystal Compensation ............................................................................................................................... 81
Figure 33: Error Band for VREF over Temperature (Regular-Accuracy Parts)................................................................. 83
A Maxim Integrated Products Brand
RESETZ.................................................................................................................... 95
COMPARATORS ...................................................................................................... 96
RAM AND FLASH MEMORY ..................................................................................... 96
FLASH MEMORY TIMING ......................................................................................... 96
EEPROM INTERFACE .............................................................................................. 96
Pinout (Top View) ...................................................................................................... 99
Pin Descriptions ........................................................................................................ 100
I/O Equivalent Circuits: .............................................................................................. 102
© 2005-2011 Teridian Semiconductor Corporation
3-Phase Energy Meter IC
71M6513/71M6513H
DATA SHEET
SEPTEMBER 2011
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