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@yrabbit yrabbit commented Jul 30, 2025

The TangPrimer25k board is designed so that the external quartz resonator is soldered to the E2 input, which is the communication line to the CPU/SSPI.

Without further ado, we add a command line flag to use it as a GPIO to receive the clock signal.

The TangPrimer25k board is designed so that the external quartz
resonator is soldered to the E2 input, which is the communication line
to the CPU/SSPI.

Without further ado, we add a command line flag to use it as a GPIO to
receive the clock signal.

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
@yrabbit yrabbit merged commit 21df75e into YosysHQ:master Jul 30, 2025
12 of 14 checks passed
@yrabbit yrabbit deleted the 5a-cpu-gpio branch July 30, 2025 22:59
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