em6521 EM Microelectronic, em6521 Datasheet - Page 13

• Manufacturer Part Number: em6521
• Description: Mfp Version Of Em6621 Ultra Low Power Microcontroller With 4x20 Lcd Driver
• Manufacturer: EM Microelectronic

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