EM6580WS11 datasheet(3/55 Pages) EMMICRO

3 / 55 page

EM6580

03/07, rev. J

www.emmicroelectronic.com

Table of Contents

FEATURES______________________________ 1

DESCRIPTION ___________________________ 1

EM6580 AT A GLANCE ____________________ 2

PIN DESCRIPTION FOR EM6580 _______ 4

OPERATING MODES ________________ 5

2.1

ACTIVE MODE_______________________ 5

2.2

STANDBY (HALT) MODE _______________ 5

2.3

SLEEP MODE _______________________ 5

POWER SUPPLY____________________ 6

RESET ____________________________ 7

4.1

POR WITH POWER-CHECK RESET_________ 8

4.2

INPUT PORT A RESET __________________ 9

4.3

DIGITAL WATCHDOG TIMER RESET ________ 9

4.4

SLEEP COUNTER RESET _______________ 10

4.5

WAKE-UP ON CHANGE ________________ 10

4.6

THE CPU STATE AFTER RESET __________ 10

OSCILLATOR AND PRESCALER _____ 11

5.1

RC OSCILLATOR OR EXTERNAL CLOCK_____ 11

5.2

SPECIAL 4 STAGE FREQUENCY DIVIDER ____ 12

5.3

PRESCALER ________________________ 12

INPUT AND OUTPUT PORT A ________ 14

6.1

INPUT / OUTPUT PORT OVERVIEW ________ 14

6.2

PORTA AS INPUT AND ITS MULTIPLEXING ___ 15

6.2.1

Debouncer __________________________15

6.2.2

IRQ on Port A _______________________16

6.2.3

Pull-up/down ________________________16

6.2.4

Software test variables ________________17

6.2.5

Port A for 10-Bit Counter _______________17

6.2.6

Port A Wake-Up on change_____________17

6.2.7

Port A for Serial Interface ______________17

6.2.8

Port A for External Reset_______________17

6.2.9

Port PA[4] as Comparator Input _________17

6.2.10

Reset and Sleep on Port A _____________17

6.2.11

Port A Blocked Inputs _________________17

6.3

PORTA AS OUTPUT AND ITS MULTIPLEXING _ 18

6.3.1

CMOS / Nch. Open Drain Output ________18

6.4

PORT A REGISTERS___________________ 19

SERIAL PORT _____________________ 21

7.1

GENERAL FUNCTIONAL DESCRIPTION______ 22

7.2

DETAILED FUNCTIONAL DESCRIPTION______ 22

7.2.1

Output Modes _______________________23

7.3

SERIAL INTERFACE REGISTERS __________ 25

10-BIT COUNTER __________________ 26

8.1

FULL AND LIMITED BIT COUNTING ________ 26

8.2

FREQUENCY SELECT AND UP/DOWN COUNTING27

8.3

EVENT COUNTING____________________ 28

8.4

PULSE WIDTH MODULATION (PWM) ______ 28

8.4.1

How the PWM Generator works. _________29

8.4.2

PWM Characteristics__________________30

8.5

COUNTER SETUP _____________________ 30

8.6

10-BIT COUNTER REGISTERS ____________ 31

SUPPLY VOLTAGE LEVEL DETECTOR /

4-BIT ADC ______________________________ 33

10.

ADC/SVLD COMPARATOR

CHARACTERISTICS ______________________ 36

11.

RAM _____________________________ 36

12.

INTERRUPT CONTROLLER __________ 37

12.1 INTERRUPT CONTROL REGISTERS _________ 38

13.

PERIPHERAL MEMORY MAP _________ 39

14.

MASK OPTIONS____________________ 42

14.1 PORT A METAL OPTIONS _______________ 42

14.2 RC OSCILLATOR FREQUENCY OPTION ______ 42

14.3 DEBOUNCER FREQUENCY OPTION ________ 43

14.4 POWER-CHECK LEVEL OPTION ___________ 43

14.5 ADC/SVLD VOLTAGE LEVEL #15 _________ 43

14.6 COUNTER UPDATE OPTION ______________ 43

14.7 VOLTAGE REGULATOR LEVEL OPTION ______ 43

14.8 ADDITIONAL REGISTERS COMPARE TO EM668044

15.

RC OSCILLATOR ___________________ 45

15.1 FREQUENCY SELECTION ________________ 45

15.2 OSCILLATOR TRIMMING ________________ 46

16.

UNIQUE ID CODE / SERIAL NUMBER __ 47

17.

TEMPERATURE AND VOLTAGE

BEHAVIOUR ____________________________ 48

17.1 IDD CURRENT (TYPICAL) _______________ 48

17.2 PULL-UP AND PULL-DOWN RESISTORS

(TYPICAL) __________________________ 49

17.3 OUTPUT CURRENT (TYPICAL) ____________ 49

17.4 OSCILLATOR FREQUENCY (TYPICAL) _______ 50

18.

ELECTRICAL SPECIFICATION ________ 51

18.1 ABSOLUTE MAXIMUM RATINGS ___________ 51

18.2 HANDLING PROCEDURES _______________ 51

18.3 STANDARD OPERATING CONDITIONS _______ 51

18.4 DC CHARACTERISTICS - POWER SUPPLY ___ 51

18.5 SUPPLY VOLTAGE LEVEL DETECTOR _______ 52

18.6 DC CHARACTERISTICS - I/O PINS _________ 52

18.7 RC OSCILLATOR FREQUENCY ____________ 53

18.8 SLEEP COUNTER RESET - SCR __________ 53

19.

PAD LOCATION DIAGRAM ___________ 54

20.

PACKAGE DIMENSIONS_____________ 54

20.1 SO-8/14 ___________________________ 54

21.

ORDERING INFORMATION___________ 55

21.1 PACKAGE MARKING ___________________ 55

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