78M6613-IMR/F データシートの表示（PDF） - Teridian Semiconductor Corporation

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78M6613-IMR/F

Single-Phase AC Power Measurement IC

Teridian Semiconductor Corporation 

78M6613 Data Sheet

Table of Contents

DS_6613_018

1 Hardware Description....................................................................................................................5

1.1 Hardware Overview ................................................................................................................5

1.2 Analog Front End (AFE)..........................................................................................................6

1.2.1 Input Multiplexer.......................................................................................................... 6

1.2.2 A/D Converter (ADC) ..................................................................................................6

1.2.3 FIR Filter.....................................................................................................................6

1.2.4 Voltage References.....................................................................................................6

1.2.5 Temperature Sensor ................................................................................................... 7

1.2.6 Functional Description.................................................................................................7

1.3 Digital Computation Engine (CE) ............................................................................................ 8

1.4 80515 MPU Core .................................................................................................................... 8

1.4.1 UART .......................................................................................................................... 8

1.4.2 Timers and Counters...................................................................................................9

1.5 On-Chip Resources.................................................................................................................9

1.5.1 Oscillator.....................................................................................................................9

1.5.2 PLL and Internal Clocks .............................................................................................. 9

1.5.3 Temperature Sensor ................................................................................................... 9

1.5.4 Flash Memory ............................................................................................................. 9

1.5.5 Digital I/O.................................................................................................................. 10

1.5.6 Hardware Watchdog Timer........................................................................................ 10

1.5.7 Program Security ...................................................................................................... 10

1.5.8 Test Ports.................................................................................................................. 10

2 Functional Description................................................................................................................ 11

2.1 Theory of Operation.............................................................................................................. 11

2.2 Reset Behavior ..................................................................................................................... 12

2.3 Data Flow ............................................................................................................................. 12

2.4 CE/MPU Communication ...................................................................................................... 13

3 Application Information .............................................................................................................. 14

3.1 Connection of Sensors (CT, Resistive Shunt)........................................................................ 14

3.2 Temperature Measurement................................................................................................... 15

3.3 Temperature Compensation.................................................................................................. 15

3.4 Connecting 5V Devices......................................................................................................... 16

3.5 UART (TX/RX) ...................................................................................................................... 16

3.6 Reset Function and Reset Pin Connections........................................................................... 16

3.7 Connecting the Emulator Port Pins ....................................................................................... 18

3.8 Crystal Oscillator................................................................................................................... 19

3.9 Flash Programming .............................................................................................................. 19

3.10 MPU Firmware Library .......................................................................................................... 19

3.11 Measurement Calibration ...................................................................................................... 19

4 Electrical Specifications ............................................................................................................. 20

4.1 Absolute Maximum Ratings .................................................................................................. 20

4.2 Recommended External Components................................................................................... 21

4.3 Recommended Operating Conditions.................................................................................... 21

4.4 Performance Specifications .................................................................................................. 21

4.4.1 Input Logic Levels ..................................................................................................... 21

4.4.2 Output Logic Levels .................................................................................................. 21

4.4.3 Supply Current .......................................................................................................... 22

4.4.4 Crystal Oscillator ....................................................................................................... 22

4.4.5 VREF ........................................................................................................................ 22

4.4.6 ADC Converter, V3P3 Referenced ............................................................................ 23

4.4.7 Temperature Sensor ................................................................................................. 23

2

Rev. 1.1

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