78M6612-IMSLASHFSLASHP datasheet(3/111 Pages) TERIDIAN

3 / 111 page

DS_6612_001

78M6612 Data Sheet

Rev. 1.2

Application Information...............................................................................................................63

3.1

Connection of Sensors (CT, Resistive Shunt) ........................................................................63

3.2

Temperature Measurement ...................................................................................................64

3.3

Temperature Compensation ..................................................................................................64

3.4

Temperature Compensation and Mains Frequency Stabilization for the RTC .........................65

3.5

Connecting 5V Devices .........................................................................................................66

3.6

Connecting LCDs..................................................................................................................67

3.7

Connecting I

2C EEPROMs....................................................................................................69

3.8

Connecting 3-Wire EEPROMs ..............................................................................................70

3.9

UART0 (TX/RX) ....................................................................................................................70

3.10 UART1 Interface....................................................................................................................71

3.11 Connecting V1 and Reset Pins .............................................................................................71

3.12 Connecting the Emulator Port Pins .......................................................................................72

3.13 Crystal Oscillator ...................................................................................................................73

3.14 Flash Programming...............................................................................................................73

3.15 MPU Firmware Library...........................................................................................................73

3.16 Measurement Calibration.......................................................................................................73

Firmware Interface ......................................................................................................................74

4.1

I/O RAM Map ........................................................................................................................74

4.2

SFR Map (SFRs Specific to Teridian 80515) .........................................................................75

4.3

I/O RAM Description – Alphabetical Order.............................................................................76

4.4

CE Interface Description........................................................................................................83

4.4.1 CE Program ..............................................................................................................83

4.4.2 Formats .....................................................................................................................83

4.4.3 Constants ..................................................................................................................83

4.4.4 Environment ..............................................................................................................83

4.4.5 CE Calculations .........................................................................................................84

4.4.6 CE Status..................................................................................................................84

4.4.7 CE Transfer Variables................................................................................................85

Electrical Specifications .............................................................................................................89

5.1

Absolute Maximum Ratings...................................................................................................89

5.2

Recommended External Components ...................................................................................90

5.3

Recommended Operating Conditions....................................................................................90

5.4

Performance Specifications ...................................................................................................91

5.4.1 Input Logic Levels .....................................................................................................91

5.4.2 Output Logic Levels...................................................................................................91

5.4.3 Power-Fault Comparator ............................................................................................91

5.4.4 Battery Monitor ..........................................................................................................91

5.4.5 Supply Current ..........................................................................................................93

5.4.6 V3P3D Switch ...........................................................................................................93

5.4.7 2.5V Voltage Regulator..............................................................................................93

5.4.8 Low Power Voltage Regulator ....................................................................................93

5.4.9 Crystal Oscillator........................................................................................................95

5.4.10 VREF, VBIAS............................................................................................................95

5.4.11 LCD Drivers ...............................................................................................................95

5.4.12 ADC Converter, V3P3A Referenced ..........................................................................96

5.4.13 UART1 Interface ........................................................................................................96

5.4.14 Temperature Sensor ..................................................................................................96

5.5

Timing Specifications ............................................................................................................97

5.5.1 RAM and Flash Memory ............................................................................................97

5.5.2 Flash Memory Timing ................................................................................................97

5.5.3 EEPROM Interface ....................................................................................................97

5.5.4 RESET and V1..........................................................................................................97

5.5.5 RTC...........................................................................................................................97

78M6612-IM/F/P 数据表(PDF) 3 Page - Teridian Semiconductor Corporation

78M6612-IM/F/P 数据表(HTML) 3 Page - Teridian Semiconductor Corporation

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