71M6531F-IM/F Maxim Integrated Products, 71M6531F-IM/F Datasheet - Page 3

• Manufacturer Part Number: 71M6531F-IM/F
• Description: IC ENERGY METER 256KB 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 71M6531F-IM/F

• Mounting Style: SMD/SMT
• Package / Case: QFN-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FDS 6531/6532 005
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v1.3
Functional Description ..................................................................................................................... 54
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Application Information .................................................................................................................... 63
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10 Connecting the V1 Pin ............................................................................................................... 68
3.11 Connecting the Reset Pin .......................................................................................................... 69
3.12 Connecting the Emulator Port Pins ............................................................................................ 69
3.13 Connecting a Battery ................................................................................................................. 69
3.14 Flash Programming .................................................................................................................... 70
3.15 MPU Firmware ........................................................................................................................... 70
3.16 Crystal Oscillator ........................................................................................................................ 70
3.17 Meter Calibration ........................................................................................................................ 71
Firmware Interface ............................................................................................................................ 72
4.1
4.2
4.3
Theory of Operation ................................................................................................................... 54
System Timing Summary ........................................................................................................... 55
Battery Modes ............................................................................................................................ 56
Fault and Reset Behavior .......................................................................................................... 60
Wake-Up Behavior ..................................................................................................................... 61
Data Flow ................................................................................................................................... 61
CE/MPU Communication ........................................................................................................... 62
Connection of Sensors ............................................................................................................... 63
Connecting 5-V Devices ............................................................................................................ 63
Temperature Measurement ....................................................................................................... 64
Temperature Compensation ...................................................................................................... 64
Connecting LCDs ....................................................................................................................... 66
Connecting I
Connecting Three-Wire EEPROMs ........................................................................................... 67
UART0 (TX/RX) ......................................................................................................................... 67
Optical Interface (UART1) .......................................................................................................... 67
I/O RAM and SFR Map – Functional Order ............................................................................... 72
I/O RAM Description – Alphabetical Order ................................................................................ 77
CE Interface Description ............................................................................................................ 88
2.3.1 BROWNOUT Mode ....................................................................................................... 57
2.3.2 LCD Mode ...................................................................................................................... 58
2.3.3 SLEEP Mode ................................................................................................................. 58
2.4.1 Reset Mode .................................................................................................................... 60
2.4.2 Power Fault Circuit ........................................................................................................ 60
2.5.1 Wake on PB ................................................................................................................... 61
2.5.2 Wake on Timer............................................................................................................... 61
3.4.1 Temperature Coefficients: ............................................................................................. 64
3.4.2 Temperature Compensation for VREF .......................................................................... 65
3.4.3 System Temperature Compensation ............................................................................. 65
3.4.4 Temperature Compensation for the RTC ...................................................................... 65
4.3.1 CE Program ................................................................................................................... 88
4.3.2 CE Data Format ............................................................................................................. 88
4.3.3 Constants ....................................................................................................................... 88
4.3.4 Environment ................................................................................................................... 88
4.3.5 CE Calculations ............................................................................................................. 89
4.3.6 CE Status and Control ................................................................................................... 89
4.3.7 CE Transfer Variables ................................................................................................... 92
4.3.8 Pulse Generation ........................................................................................................... 93
4.3.9 CE Calibration Parameters ............................................................................................ 94
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C EEPROMs ........................................................................................................ 66
© 2005-2010 TERIDIAN Semiconductor Corporation
Data Sheet 71M6531D/F-71M6532D/F
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