EM78P5842NM Ver la hoja de datos (PDF) - ELAN Microelectronics

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EM78P5842NM

8-Bit Microcontrollers

ELAN Microelectronics 

Contents

7.3 Special Function Registers ...............................................................................18

7.3.1 A (Accumulator).................................................................................................18

7.3.2 CONT (Control Register)...................................................................................18

7.3.3 IOC6 (Port 6 I/O Control, P6 Pin Switch Control) .............................................20

7.3.4 IOC7 (Port 7 I/O Control, Port 7 Pull-high Control) ...........................................22

7.3.5 IOC9 (Port 9 I/O Control, Port 9 Switches) .......................................................23

7.3.6 IOCA (Port 9 PMS Switch Control)....................................................................23

7.3.7 IOCB (ADC Control) ..........................................................................................23

7.3.8 IOCC (Port C I/O Control, ADC Control) ...........................................................25

7.3.9 IOCD (Tone 1 Control, Clock Source, CN1 Prescaler) .....................................26

7.3.10 IOCE (Interrupt Mask) .......................................................................................27

7.3.11 IOCF (Interrupt Mask) .......................................................................................28

7.4 Instruction Set ...................................................................................................30

7.5 Code Option Register .......................................................................................32

7.6 I/O Port..............................................................................................................33

7.6.1 I/O Structure ......................................................................................................33

7.6.2 I/O Description...................................................................................................34

7.7 Reset.................................................................................................................36

7.8 Wake-up............................................................................................................36

7.9 Interrupt.............................................................................................................37

7.10 PWM (Pulse Width Modulation) ........................................................................38

7.10.1 Overview ...........................................................................................................38

7.10.2 Relative Register Description ...........................................................................39

7.10.3 Increment Timer Counter (TMRX: TMR1H/TMR1L or TMR2H/TMR2L) ...........40

7.10.4 PWM Period (PRDX: PRD1 or PRD2) ..............................................................40

7.10.5 PWM Duty Cycle (DTX: DT1H/ DT1L; DTL: DL1H/DL1L) ................................41

7.10.6 PWM Programming Procedure/Steps ...............................................................41

7.10.7 Timer (TMRX)....................................................................................................41

7.11 Oscillator ...........................................................................................................43

7.11.1 Crystal Mode .....................................................................................................43

7.11.2 IRC Mode ..........................................................................................................44

7.11.3 ERIC Mode........................................................................................................44

7.12 Power-on Considerations..................................................................................46

7.13 External Power-on Reset Circuit.......................................................................46

8 Absolute Maximum Ratings ................................................................................... 48

9 DC Electrical Characteristics ................................................................................. 48

9.1 Device Characteristic Graphics.........................................................................49

10 AC Electrical Characteristics ................................................................................. 50

10.1 Operating Voltage vs Main CLK........................................................................51

10.2 10-Bit ADC Characteristics ...............................................................................52

11 Timing Diagrams ..................................................................................................... 53

12 OTP ROM Burning Pins .......................................................................................... 54

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Product Specification (V1.0) 04.25.2006

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