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EM6521 Datasheet(PDF) 13 Page - List of Unclassifed Manufacturers

Part # EM6521
Description  4 bit Microcontroller
PDF  68 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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EM6521 Datasheet(HTML) 13 Page - List of Unclassifed Manufacturers

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EM6521
Copyright © 2005, EM Microelectronic-Marin SA
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www.emmicroelectronic.com
The prescaler contains 3 interrupt sources:
- IRQ32/8 ; this is Ck[6] or Ck[4] positive edge interrupt,
the selection is depending on bit PrIntSel.
- IRQHz1 ; this is Ck[1] positive edge interrupt
- IRQBlink ; this is 3/4 of Ck[1] period interrupt
There is no interrupt generation on reset.
The first IRQHz1 Interrupt occurs 1 sec (32kHz)
after reset.
A possible application for the IRQBlink is LCD-Display
blinking control together with IRQHz1.
Figure 9. Prescaler Interrupts
Ck[2]
IRQBlink
IRQ
Hz1
Ck[1]



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