counter1.tdf

来自「用s3c44b0x和 CIS（ContactImage Sensor) 传感器接」· TDF 代码 · 共 19 行

SUBDESIGN COUNTER1
(
	CLK             : INPUT;
	RST             : INPUT;
	COUNTOUT[13..0] : OUTPUT;
)
	
VARIABLE
	COUNT[13..0]	: DFF;
	
BEGIN

    COUNT[].CLRN = RST;		-- Active Low (74393 Based)
    COUNT[].CLK = !CLK;		-- Down edge (74393 Based)
    COUNT[].D = COUNT[].Q+1;
    COUNTOUT[] = COUNT[];
    
END;