PDF EM78P349N Data sheet ( Hoja de datos )

Número de pieza	EM78P349N
Descripción	8-Bit Microcontroller
Fabricantes	ELAN Microelectronics
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No Preview Available ! EM78P349N 8-Bit Microcontroller Product Specification DOC. VERSION 1.3 ELAN MICROELECTRONICS CORP. February 2012 1 page Contents 6.9 Oscillator .......................................................................................................... 49 6.9.1 Oscillator Modes................................................................................................49 6.9.2 Crystal Oscillator/Ceramic Resonators (Crystal)...............................................50 6.9.3 External RC Oscillator Mode.............................................................................51 6.9.4 Internal RC Oscillator Mode ..............................................................................52 6.10 Power-on Considerations ................................................................................. 53 6.10.1 External Power-on Reset Circuit .......................................................................53 6.10.2 Residual Voltage Protection ..............................................................................53 6.11 Low Voltage Detector ....................................................................................... 54 6.11.1 Low Voltage Reset ............................................................................................54 6.11.2 Low Voltage Detector ........................................................................................54 6.11.2.1 Bank 0-RA (ADOC: ADC Offset Calibration Register) .......................54 6.11.2.2 Bank 0-R8 (Port 8) .............................................................................55 6.11.2.3 Bank 0-RE (WUCR: Wake-up Control Register)................................55 6.11.2.4 Bank 1-RE (WDT Control Register) ...................................................56 6.11.3 Programming Process.......................................................................................56 6.12 Code Option ..................................................................................................... 58 6.12.1 Code Option Register (Word 0).........................................................................58 6.12.2 Code Option Register (Word 1).........................................................................59 6.12.3 Customer ID Register (Word 2).........................................................................60 6.13 Instruction Set .................................................................................................. 60 7 Absolute Maximum Ratings ................................................................................... 63 8 DC Electrical Characteristics ................................................................................. 63 9 AC Electrical Characteristics ................................................................................. 67 9.1 AD Converter Characteristics........................................................................... 68 10 Device Characteristics............................................................................................ 69 11 Timing Diagrams ..................................................................................................... 81 APPENDIX A Package Type........................................................................................................... 82 B Packaging Configurations...................................................................................... 82 B.1 24-Lead Plastic Dual-in-Line Skinny Package (SDIP) － 300 mil .................... 82 B.2 24-Lead Plastic Small Outline Package (SOP) － 300 mil ............................... 83 B.3 28-Lead Plastic Dual-in-Line Skinny Package (SDIP) － 300 mil .................... 84 B.4 28-Lead Plastic Small Outline Package (SOP) － 300 mil ............................... 85 CONTENTS ............................................................................................................ III 1 General Description···································································································· 1 Product Specification (V1.3) 02.24.2012 •v 5 Page EM78P349N 8-Bit Microcontroller 4 Pin Description 4.1 EM78P349NK24/SO24 Name Function Input Type Output Type Description P50/VREF P50 VREF P51/PWM1 P51 PWM1 P52/OSCO P52 OSCO P53/OSCI P54/PWM2 P55/PWM3 P56/TCC P57/ADC13 P53 OSCI P54 PWM2 P55 PWM3 P56 TCC P57 ADC13 P60/ADC0 P60 ADC0 P61/ADC1 P61 ADC1 P62/ADC2 P62 ADC2 P63/ADC3 P63 ADC3 ST CMOS AN − ST CMOS − CMOS ST CMOS − XTAL ST CMOS XTAL ST − ST − ST ST ST AN − CMOS CMOS CMOS CMOS CMOS − CMOS − ST CMOS AN − ST CMOS AN − ST CMOS AN − ST CMOS AN − Bidirectional I/O pin with programmable pull-high and open-drain ADC external voltage reference Bidirectional I/O pin with programmable pull-high and open-drain PWM1 output Bidirectional I/O pin with programmable pull-high and open-drain Clock output of crystal/ resonator oscillator Bidirectional I/O pin with programmable pull-high and open-drain Clock input of crystal/ resonator oscillator Bidirectional I/O pin with programmable open-drain PWM2 output Bidirectional I/O pin with programmable open-drain PWM3 output Bidirectional I/O pin with programmable open-drain Real Time Clock/Counter clock input Bidirectional I/O pin with programmable open-drain ADC Input 13 Bidirectional I/O pin with programmable pull-down and pin change wakeup ADC Input 0 Bidirectional I/O pin with programmable pull-down and pin change wakeup ADC Input 1 Bidirectional I/O pin with programmable pull-down and pin change wakeup ADC Input 2 Bidirectional I/O pin with programmable pull-down and pin change wakeup ADC Input 3 Product Specification (V1.3) 02.24.2012 (This specification is subject to change without further notice) •3 11 Page

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