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| 型号： | 71M6545-IGTR/F |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/133页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 3PHASE 64LQFP |
| 标准包装： | 1,500 |
| 系列： | * |
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71M6545/71M6545H Data Sheet
3
Functional Description ..................................................................................................................... 66
3.1 Theory of Operation ................................................................................................................... 66
3.2
3.3
3.4
SLP Mode (Sleep Mode) ............................................................................................................ 66
Fault and Reset Behavior .......................................................................................................... 68
3.3.1 Events at Power-Down .................................................................................................. 68
3.3.2 Reset Sequence ............................................................................................................ 68
Data Flow and Host Communication ......................................................................................... 69
4
Application Information .................................................................................................................... 71
4.1 Connecting 5 V Devices ............................................................................................................. 71
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
Directly Connected Sensors ...................................................................................................... 71
Systems Using 71M6xx3 Isolated Sensors and Current Shunts ............................................... 72
System Using Current Transformers ......................................................................................... 73
Metrology Temperature Compensation ..................................................................................... 74
4.5.1 Distinction Between Standard and High-Precision Parts .............................................. 74
4.5.2 Temperature Coefficients for the 71M6545 ................................................................... 75
4.5.3 Temperature Coefficients for the 71M6545H ................................................................ 75
4.5.4 Temperature Coefficients for the 71M6603 and 71M6103 (1% Energy Accuracy) ....... 75
4.5.5 Temperature Compensation for VREF and Shunt Sensors .......................................... 75
4.5.6 Temperature Compensation of VREF and Current Transformers ................................. 77
Connecting I 2 C EEPROMs ........................................................................................................ 79
Connecting Three-Wire EEPROMs ........................................................................................... 79
UART (TX/RX) ........................................................................................................................... 79
Connecting the Reset Pin .......................................................................................................... 79
4.10 Connecting the Emulator Port Pins ............................................................................................ 80
4.11 Flash Programming .................................................................................................................... 80
4.11.1 Flash Programming via the ICE Port ............................................................................. 80
4.11.2 Flash Programming via the SPI Port ............................................................................. 80
4.12 MPU Demonstration Code ......................................................................................................... 80
4.13 Crystal Oscillator ........................................................................................................................ 81
4.14 Meter Calibration ........................................................................................................................ 81
5
Firmware Interface ............................................................................................................................ 82
5.1 I/O RAM Map –Functional Order ............................................................................................... 82
v2
5.2
5.3
5.4
I/O RAM Map – Alphabetical Order ........................................................................................... 88
Reading the Info Page (71M6545H only) .................................................................................. 98
CE Interface Description .......................................................................................................... 100
5.4.1 CE Program ................................................................................................................. 100
5.4.2 CE Data Format ........................................................................................................... 100
5.4.3 Constants ..................................................................................................................... 100
5.4.4 Environment ................................................................................................................. 101
5.4.5 CE Calculations ........................................................................................................... 101
5.4.6 CE Front End Data (Raw Data) ................................................................................... 102
5.4.7 CE Status and Control ................................................................................................. 103
5.4.8 CE Transfer Variables ................................................................................................. 105
5.4.9 Pulse Generation ......................................................................................................... 107
5.4.10 CE Calibration Parameters .......................................................................................... 110
5.4.11 CE Flow Diagrams ....................................................................................................... 111
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6545T-IGT/F | 制造商:Maxim Integrated Products 功能描述:METROLOGY PROCESSORS - Rail/Tube |
| 71M6545T-IGTR/F | 制造商:Maxim Integrated Products 功能描述:3-PHASE AFE, 32KB FLASH, PRES TEMP SENSOR - Tape and Reel |
| 71M6601 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring |
| 71M6601-IF | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring |
| 71M6601-IL | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:On-Chip Temperature Sensor Enables Localized Digital Temperature On-Chip Power Monitoring |
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