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A programmable Weak Pull-Down resistor is available on each I/O. The I/O Weak Pull-Down
eliminates the need for external pull down resistors for used I/Os. The spec for pull-down current
is maximum of 150 µA under worst case condition.
I/O Output Logic
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There are a maximum of eight global clock networks in each Eclipse-II device. Global clocks can
drive logic cells and I/O registers, ECUs, and RAM blocks in the device. All global clocks have
access to a Quad Net (local clock network) connection with a programmable connection to the
logic cell’s register clock input.
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