U403: change from 74LVC2G125 to 74LVC2G126 The two parts have the same footprint and pinout, but '126 3-state buffers have active-high OE inputs instead of active-low. The change is purely for software benefit: having GPIO 11/12 set to 1 correspond to that current contribution being enabled will be much more intuitive for developers and tinkerers.

module MAX1916 (GND, EN, SET, LEDK);

input GND, EN, SET;
output [1:3] LEDK;

/* instantiate the package; the mapping of signals to pins is defined here */

pkg_SOT23_6 pkg (.pin_1(EN),
		 .pin_2(GND),
		 .pin_3(SET),
		 .pin_4(LEDK[3]),
		 .pin_5(LEDK[2]),
		 .pin_6(LEDK[1])
	);

endmodule