EM6520 EM Microelectronic, EM6520 Datasheet - Page 12

• Manufacturer Part Number: EM6520
• Description: MFP version of EM6620 Ultra Low Power Microcontroller 4x8 LCD Driver
• Manufacturer: EM Microelectronic

EM6520
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.
Ck[2]
- IRQHz1 ; this is Ck[1] positive edge interrupt
- 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)
IRQBlink
after reset.
A possible application for the IRQBlink is LCD-Display
blinking control together with IRQHz1.
© EM Microelectonic-Marin SA , 12/98 Rev. A/246
EM Microelectronic-Marin SA CH-2074 Marin, Switzerland, Tel. [phone], Fax. [phone]
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