DS_6612_001

78M6612 Data Sheet

Rev 2

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4.3 Recommended Operating Conditions....................................................................................29

4.4 Performance Specifications...................................................................................................30

4.4.1 Input Logic Levels .....................................................................................................30

4.4.2 Output Logic Levels...................................................................................................30

4.4.3 Power-Fault Comparator ...........................................................................................30

4.4.4 Battery Monitor..........................................................................................................31

4.4.5 Supply Current ..........................................................................................................31

4.4.6 V3P3D Switch ...........................................................................................................31

4.4.7 2.5V Voltage Regulator .............................................................................................32

4.4.8 Low Power Voltage Regulator ...................................................................................32

4.4.9 Crystal Oscillator .......................................................................................................32

4.4.10 VREF, VBIAS............................................................................................................33

4.4.11 LCD Drivers ..............................................................................................................33

4.4.12 ADC Converter, V3P3A Referenced ..........................................................................34

4.4.13 UART1 Interface........................................................................................................34

4.4.14 Temperature Sensor..................................................................................................34

4.5 Timing Specifications ............................................................................................................35

4.5.1 RAM and Flash Memory............................................................................................35

4.5.2 Flash Memory Timing................................................................................................35

4.5.3 EEPROM Interface....................................................................................................35

4.5.4 RESET and V1..........................................................................................................35

4.5.5 RTC ..........................................................................................................................35

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Packaging ....................................................................................................................................36

5.1 64-Pin LQFP Package ..........................................................................................................36

5.1.1 Pinout........................................................................................................................36

5.1.2 Package Outline (LQFP 64).......................................................................................37

5.1.3 Recommended PCB Land Pattern for the LQFP-64 Package..................................... 38

5.2 68-Pin QFN Package ............................................................................................................39

5.2.1 Pinout........................................................................................................................39

5.2.2 Package Outline........................................................................................................40

5.2.3 Recommended PCB Land Pattern for the QFN-68 Package ...................................... 41

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Pin Descriptions ..........................................................................................................................42

6.1 Power/Ground Pins...............................................................................................................42

6.2 Analog Pins...........................................................................................................................42

6.3 Digital Pins............................................................................................................................43

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I/O Equivalent Circuits.................................................................................................................44

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Ordering Information...................................................................................................................45

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Contact Information.....................................................................................................................45

Revision History ..................................................................................................................................46