LED Matrix Design RP2040

ankushkun

ankushkun

Allocate additional RP2040 pins for controlling XLAT, BLANK, and GSCLK signals to the TLC5940.

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Below is a suggested pin allocation for the additional control signals:

Table

RP2040 SignalRP2040 PinFunction
XLATGP20Latch signal to load the shift register data across the chain.
BLANKGP21Controls output blanking (disables/enables LED outputs).
GSCLKGP22Provides the grayscale clock for PWM brightness control.
This allocation ensures dedicated digital outputs from the RP2040 for controlling the daisy-chained TLC5940 devices in your 16×16 LED matrix design.
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C1
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