78M6613-SP-1【PDF 2/33 页】EVAL KIT 78M6613-SP-1

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78M6613 Data Sheet

Table of Contents

DS_6613_018

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

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

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

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

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