XR17D154 Datasheet, PDF(57/69 Page) Exar Corporation – UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART

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XR17D154 Datasheet, PDF (57/69 Pages) Exar Corporation – UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART

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REV. 1.2.0

XR17D154

UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART

FIGURE 19. TIMING FOR EXTERNAL CLOCK INPUT AT XTAL1 PIN

TECLK

External

Clock

0.8V

TECH

TECL

▷