78M6613 Data Sheet
DS_6613_018
Table of Contents
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
3
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
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
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
