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Product folder
EM6680
(obsolete, replaced by EM6682) Low cost, ultra low-power 8-pin MCU with 4-bit ADC and no external component |
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Datasheet
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The FactSheet is a one-page summary document of the product.
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FactSheet
175 Kb
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DataSheet
1915 Kb
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| General description |
The EM6680 is an advanced single chip CMOS microcontroller coming in packages as small as 8-pin TSSOP. It contains ROM, RAM, internal RC oscillator with metal option selectable frequency between 32kHz and 800kHz, power on reset (POR), watchdog timer, 10 bit up/down counter / timer, prescaler, supply voltage level detector (SVLD), serial interface, compare input, frequency output, and several clock functions. The low voltage and low power consumption make it a highly suitable controller for battery, stand alone and mobile equipment.
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| Features |
• Low Power – 4uA active mode
• - 3.5uA standby mode
• - 0.35uA sleep mode
• @ 1.5V, 32kHz, 25°C
• Low Voltage: 1.2 to 3.6V
• ROM: 1536 x 16 bits
• RAM: 80 x 4 bits
• 2 clocks per instruction cycle
• 72 basic instructions
• Internal RC oscillator 32 kHz to 800 kHz by metal option
• External CPU clock source possible
• Watchdog timer (2 sec)
• Sleep Counter Reset (automatic wake-up from sleep mode (EM patent))
• SVLD: Supply Voltage Level Detector or 4bit ADC through 16 level comparator
• Max. 5 (6*) inputs
• Max. 4 (5*) outputs with 2 high drive outputs of 10mA
• Power-On-Reset with Power-Check on Start-Up
• 3 wire serial port , 8 bit, master and slave mode
• Universal 10-bit counter, PWM, event counter
• Prescaler down to 1 Hz (freq. = 32 kHz)
• Frequency output 1Hz, 2048 Hz, Fosc, PWM
• 6 internal interrupt sources ( 2x10bit counter, 2x prescaler, SVLD, Serial Interface)
• 2 external interrupt sources (port A)
• Packages available: TSSOP-8/14*, SO-8/14*, die form
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| Applications |
Domestic appliance
Safety and security devices
Watchdog
Automotive controls
Sensor interfaces
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| Applications notes |
| • How to drive a static LCD from a standard I/O port |
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AN #25
40 Kb |
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| • Using a small flash MCU as a fully customisable, smart supervisory circuit |
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AN #29
243 Kb |
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| • How to use EM6680, EM6580 and EM6682 in Smart Power Management Applications |
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AN #28
68 Kb |
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| Errata |
Emulator Bug
The instructions NAND, NANDS, NANDX, NANDXS do not work on the emulator.
They are working correctly on simulator and chip.
Valid for all members of the 4-bit microcontroller family.
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