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EM6626 Datasheet(PDF) 3 Page - EM Microelectronic - MARIN SA |
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EM6626 Datasheet(HTML) 3 Page - EM Microelectronic - MARIN SA |
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3 / 69 page 
R EM6626 Copyright © 2005, EM Microelectronic-Marin SA 3 www.emmicroelectronic.com Table of Contents FEATURES __________________________________1 DESCRIPTION _______________________________1 TYPICAL APPLICATIONS _______________________1 EM6626 AT A GLANCE _________________________2 1. PIN DESCRIPTION FOR EM6626 _____________4 2. OPERATING MODES ______________________6 2.1 ACTIVE MODE ____________________________6 2.2 STANDBY MODE __________________________6 2.3 SLEEP MODE ____________________________6 3. POWER SUPPLY __________________________7 4. RESET __________________________________8 4.1 OSCILLATION DETECTION CIRCUIT _____________8 4.2 RESET TERMINAL _________________________9 4.3 INPUT PORT A RESET FUNCTION ______________9 4.4 DIGITAL WATCHDOG TIMER RESET ____________10 4.5 CPU STATE AFTER RESET __________________10 5. OSCILLATOR AND PRESCALER____________11 5.1 OSCILLATOR ____________________________11 5.2 PRESCALER ____________________________11 6. INPUT AND OUTPUT PORTS _______________12 6.1 PORTS OVERVIEW ________________________12 6.2 PORT A _______________________________13 6.2.1 IRQ on Port A ______________________13 6.2.2 Pull-up or Pull-down _________________14 6.2.3 Software Test Variables ______________14 6.2.4 Port A for 10-Bit Counter and MSC _____14 6.3 PORT A REGISTERS_______________________14 6.4 PORT B _______________________________16 6.4.1 Input / Output Mode _________________16 6.4.2 Pull-up or Pull-down _________________17 6.4.3 PWM and Frequency Output __________18 6.5 PORT B REGISTERS_______________________18 6.6 PORT SERIAL ___________________________19 6.6.1 4-bit Parallel I/O ____________________19 6.6.2 Pull-up or Pull-down _________________20 6.6.3 Nch. Open Drain Outputs _____________21 6.6.4 General Functional Description ________21 6.6.5 Detailed Functional Description ________22 6.6.6 Output Modes ______________________22 6.6.7 Reset and Sleep on Port SP___________23 6.7 SERIAL INTERFACE REGISTERS_______________24 7. MELODY, BUZZER _______________________26 7.1 4-BIT TIMER ____________________________26 7.1.1 Single Run Mode ___________________27 7.1.2 Continuos Run Mode ________________27 7.2 PROGRAMMING ORDER ____________________28 7.3 MELODY REGISTERS ______________________28 8. 10-BIT COUNTER ________________________30 8.1 FULL AND LIMITED BIT COUNTING _____________30 8.2 FREQUENCY SELECT AND UP/DOWN COUNTING___31 8.3 EVENT COUNTING ________________________32 8.4 COMPARE FUNCTION ______________________32 8.5 PULSE WIDTH MODULATION (PWM) ___________32 8.5.1 How the PWM Generator works. _______33 8.5.2 PWM Characteristics ________________33 8.6 COUNTER SETUP_________________________34 8.7 10-BIT COUNTER REGISTERS ________________ 34 9. MILLISECOND COUNTER _________________ 36 9.1 PA[3] INPUT FOR MSC ____________________ 36 9.2 IRQ FROM MSC _________________________ 36 9.3 MSC-MODES ___________________________ 37 9.4 MODE SELECTION ________________________ 37 9.5 MILLISECOND COUNTER REGISTERS ___________ 39 10. INTERRUPT CONTROLLER ______________ 40 10.1 INTERRUPT CONTROL REGISTERS_____________ 41 11. SUPPLY VOLTAGE LEVEL DETECTOR ____ 42 11.1 SVLD REGISTER_________________________ 42 12. STROBE OUTPUT______________________ 43 12.1 STROBE REGISTER _______________________ 43 13. RAM _________________________________ 44 14. LCD DRIVER __________________________ 45 14.1 LCD CONTROL __________________________ 46 14.2 LCD ADDRESSING________________________ 46 14.3 FREE SEGMENT ALLOCATION ________________ 47 14.4 LCD REGISTERS _________________________ 47 15. PERIPHERAL MEMORY MAP ____________ 49 16. OPTION REGISTER MEMORY MAP _______ 53 17. ACTIVE SUPPLY CURRENT TEST ________ 54 18. MASK OPTIONS _______________________ 55 18.1 INPUT / OUTPUT PORTS ____________________ 55 18.1.1 Port A Metal Options ________________ 55 18.1.2 Port A Metal Options ________________ 55 18.1.3 Port B Metal Options ________________ 56 18.1.4 Port SP Metal Options _______________ 57 18.1.5 Voltage Regulator Option _____________ 58 18.1.6 Debouncer Frequency Option _________ 58 18.1.7 Frequency Selection Option ___________ 58 18.1.8 LCD Frame Frequency Option _________ 58 18.1.9 User defined LCD Segment Allocation __ 59 19. TEMP. AND VOLTAGE BEHAVIORS _______ 60 19.1 IDD CURRENT (TYPICAL) ___________________ 60 19.2 IDD CURRENT @ 128KHZ _________________ 60 19.3 PULL-DOWN RESISTANCE (TYPICAL) ___________ 61 19.4 PULL-UP RESISTANCE (TYPICAL) _____________ 62 19.5 OUTPUT CURRENTS (TYPICAL) _______________ 62 20. ELECTRICAL SPECIFICATION ___________ 63 20.1 ABSOLUTE MAXIMUM RATINGS _______________ 63 20.2 HANDLING PROCEDURES ___________________ 63 20.3 STANDARD OPERATING CONDITIONS___________ 63 20.4 DC CHARACTERISTICS - POWER SUPPLY _______ 63 20.5 SUPPLY VOLTAGE LEVEL DETECTOR___________ 64 20.6 OSCILLATOR ____________________________ 64 20.7 DC CHARACTERISTICS - I/O PINS _____________ 65 20.8 LCD SEG[20:1] OUTPUTS _________________ 66 20.9 LCD COM[4:1] OUTPUTS___________________ 66 20.10 DC OUTPUT COMPONENT ________________ 66 20.11 LCD VOLTAGE MULTIPLIER _______________ 66 21. PAD LOCATION DIAGRAM ______________ 67 21.1 ORDERING INFORMATION ___________________ 68 21.2 PACKAGE MARKING _______________________ 69 21.3 CUSTOMER MARKING _____________________ 69 |
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