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EM6620WS27 データシート(PDF) 3 Page - EM Microelectronic - MARIN SA |
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EM6620WS27 データシート(HTML) 3 Page - EM Microelectronic - MARIN SA |
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3 / 56 page ![]() R EM6620 Copyright © 2005, EM Microelectronic-Marin SA 3 www.emmicroelectronic.com Table of Contents Features ________________________________ 1 Description ______________________________ 1 TYPICAL applications ______________________ 1 EM6620 at a glance _______________________ 2 1. PIN DESCRIPTION FOR EM6620 _______ 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 ___________ 9 4.2 INPUT PORT A RESET______________________ 9 4.3 DIGITAL WATCHDOG TIMER RESET__________ 10 4.4 CPU STATE AFTER RESET _________________ 10 5. OSCILLATOR AND PRESCALER _____ 11 5.1 OSCILLATOR ___________________________ 11 5.2 PRESCALER ____________________________ 11 6. INPUT AND OUTPUT PORTS_________ 13 6.1 PORTS OVERVIEW _______________________ 13 6.2 PORT A _______________________________ 14 6.2.1 IRQ on Port A ______________________ 14 6.2.2 Pull-up/down_______________________ 15 6.2.3 Software test variables _______________ 15 6.2.4 Port A for 10-Bit Counter and MSC _____ 15 6.3 PORT A REGISTERS ______________________ 15 6.4 PORT B _______________________________ 17 6.4.1 Input / Output Mode _________________ 17 6.4.2 Pull-up/Down ______________________ 18 6.4.3 CMOS / NCH. Open Drain Output ______ 18 6.4.4 PWM and Frequency output ___________ 19 6.5 PB[0] DYNAMIC INPUT COMPARATOR________ 19 6.6 PORT B REGISTERS_______________________ 20 7. 10-BIT COUNTER __________________ 21 7.1 FULL AND LIMITED BIT COUNTING __________ 21 7.2 FREQUENCY SELECT AND UP/DOWN COUNTING 22 7.3 EVENT COUNTING _______________________ 23 7.4 COMPARE FUNCTION _____________________ 23 7.5 PULSE WIDTH MODULATION (PWM) ________ 23 7.5.1 How the PWM Generator works. _______ 24 7.5.2 PWM Characteristics ________________ 24 7.6 COUNTER SETUP ________________________ 25 7.7 10-BIT COUNTER REGISTERS _______________ 25 8. MILLISECOND COUNTER ___________ 27 8.1 PA[3] INPUT FOR MSC ___________________ 27 8.2 IRQ FROM MSC_________________________ 27 8.3 MSC-MODES __________________________ 28 8.4 MODE SELECTION _______________________ 28 8.5 MILLISECOND COUNTER REGISTERS_________ 30 9. INTERRUPT CONTROLLER __________ 31 9.1 INTERRUPT CONTROL REGISTERS ___________ 32 10. SUPPLY VOLTAGE LEVEL DETECTOR_ 33 10.1 SVLD REGISTER________________________ 33 11. RAM _____________________________ 34 12. LCD DRIVER_______________________ 35 12.1 LCD CONTROL _________________________ 36 12.2 LCD ADDRESSING_______________________ 36 12.3 FREE SEGMENT ALLOCATION ______________ 37 12.4 LCD REGISTERS ________________________ 37 13. PERIPHERAL MEMORY MAP _________ 39 14. OPTION REGISTER MEMORY MAP ____ 42 15. ACTIVE SUPPLY CURRENT TEST _____ 43 16. MASK OPTIONS ____________________ 44 16.1 INPUT / OUTPUT PORTS ___________________ 44 16.1.1 Port A Metal Options ________________ 44 16.1.2 Port B Metal Options ________________ 45 16.1.3 Voltage Regulator Option ____________ 46 16.1.4 SVLD and Input Comp Level Option ____ 46 16.1.5 Debouncer frequency Option __________ 46 16.1.6 User defined LCD Segment allocation___ 46 17. TEMP. AND VOLTAGE BEHAVIORS ___ 47 17.1 IDD CURRENT (TYPICAL) _________________ 47 17.2 PULL-DOWN RESISTANCE (TYPICAL)_________ 47 17.3 PULL-UP RESISTANCE (TYPICAL) ___________ 48 17.4 OUTPUT CURRENTS (TYPICAL) _____________ 48 18. EM6620 ELECTRICAL SPECIFICATIONS 49 18.1 ABSOLUTE MAXIMUM RATINGS_____________ 49 18.2 HANDLING PROCEDURES _________________ 49 18.3 STANDARD OPERATING CONDITIONS ________ 49 18.4 DC CHARACTERISTICS - POWER SUPPLY______ 49 18.5 SVLD AND INPUT COMPARATOR ___________ 50 18.6 OSCILLATOR ___________________________ 50 18.7 DC CHARACTERISTICS - I/O PINS ___________ 51 18.8 LCD SEG[8:1] OUTPUTS__________________ 52 18.9 LCD COM[4:1] OUTPUTS _________________ 52 18.10 DC OUTPUT COMPONENT _______________ 52 18.11 LCD VOLTAGE MULTIPLIER _____________ 52 19. PAD LOCATION DIAGRAM ___________ 53 20. PACKAGE & ORDERING INFORMATION 54 20.1 ORDERING INFORMATION _________________ 56 20.2 PACKAGE MARKING _____________________ 56 20.3 CUSTOMER MARKING ____________________ 56 |
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