DS_6612_001
78M6612 Data Sheet
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
5
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
6
Pin Descriptions ..........................................................................................................................42
6.1 Power/Ground Pins...............................................................................................................42
6.2 Analog Pins...........................................................................................................................42
6.3 Digital Pins............................................................................................................................43
7
8
9
I/O Equivalent Circuits.................................................................................................................44
Ordering Information...................................................................................................................45
Contact Information.....................................................................................................................45
Revision History..................................................................................................................................46
Rev 2
3
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