20.4 Signal Description

Table 20-1. GCLK External Signal Descriptions
Signal Name	Type	Description
GCLK_IO[nseven:0]	Digital I/O	External Clock source for Generators when input Generic Clock signal when output

Note:

One signal can be mapped on several pins.
The number of I/O connected to GCLK is device specific. The number is 8 for this design.

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