71m6545h-igtr/f Maxim Integrated Products, Inc., 71m6545h-igtr/f Datasheet - Page 3

• Manufacturer Part Number: 71m6545h-igtr/f
• Description: Metrology Processors
• Manufacturer: Maxim Integrated Products, Inc.

PDS_6545_009
4
5
6
v1.0
3.1
3.2
3.3
3.4
Application Information ............................................................................................................... 71
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10 Connecting the Emulator Port Pins ........................................................................................ 80
4.11 Flash Programming ............................................................................................................... 80
4.12 MPU Demonstration Code..................................................................................................... 81
4.13 Crystal Oscillator ................................................................................................................... 81
4.14 Meter Calibration ................................................................................................................... 81
Firmware Interface ....................................................................................................................... 82
5.1
5.2
5.3
5.4
71M6545/H Specifications ......................................................................................................... 113
Theory of Operation .............................................................................................................. 66
SLP Mode (Sleep Mode) ....................................................................................................... 67
Fault and Reset Behavior ...................................................................................................... 68
Data Flow and Host Communication ..................................................................................... 69
Connecting 5 V Devices ........................................................................................................ 71
Directly Connected Sensors .................................................................................................. 71
Systems Using 71M6xx3 Isolated Sensors and Current Shunts ............................................. 72
System Using Current Transformers ..................................................................................... 73
Metrology Temperature Compensation .................................................................................. 74
Connecting I
Connecting Three-Wire EEPROMs ....................................................................................... 79
UART (TX/RX) ...................................................................................................................... 79
Connecting the Reset Pin ...................................................................................................... 79
I/O RAM Map –Functional Order ........................................................................................... 82
I/O RAM Map – Alphabetical Order ....................................................................................... 88
Reading the Info Page (71M6545H only) ............................................................................... 98
CE Interface Description ..................................................................................................... 100
3.3.1 Events at Power-Down .............................................................................................. 68
3.3.2 Reset Sequence ........................................................................................................ 69
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
4.11.1 Flash Programming via the ICE Port .......................................................................... 80
4.11.2 Flash Programming via the SPI Port .......................................................................... 80
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
2
C EEPROMs .................................................................................................... 79
© 2008–2011 Teridian Semiconductor Corporation
Data Sheet 71M6545/H
3