Code Example
In VHDL-AMS, a design consists at a minimum of an entity which describes the interface and an architecture which contains the actual implementation. In addition, most designs import library modules. Some designs also contain multiple architectures and configurations.
A simple ideal diode in VHDL-AMS would look something like this:
-- (this is a VHDL comment) library IEEE; use IEEE.math_real.all; use IEEE.electrical_systems.all; -- this is the entity entity DIODE is generic (iss : current := 1.0e-14; -- Saturation current af : real := 1.0; -- Flicker noise coefficient kf : real := 0.0); -- Flicker noise exponent port (terminal anode, cathode : electrical); end entity DIODE; architecture IDEAL of DIODE is quantity v across i through anode to cathode; constant vt : voltage := 0.0258; -- Thermal voltage at 300 K begin i == iss * (exp(v/vt) - 1.0); end architecture IDEAL;Read more about this topic: VHDL-AMS
Famous quotes containing the word code:
“...I had grown up in a world that was dominated by immature age. Not by vigorous immaturity, but by immaturity that was old and tired and prudent, that loved ritual and rubric, and was utterly wanting in curiosity about the new and the strange. Its era has passed away, and the world it made has crumbled around us. Its finest creation, a code of manners, has been ridiculed and discarded.”
—Ellen Glasgow (1873–1945)
“Wise Draco comes, deep in the midnight roll
Of black artillery; he comes, though late;
In code corroborating Calvin’s creed
And cynic tyrannies of honest kings;
He comes, nor parlies; and the Town, redeemed,
Gives thanks devout; nor, being thankful, heeds
The grimy slur on the Republic’s faith implied,
Which holds that Man is naturally good,
And—more—is Nature’s Roman, never to be
scourged.”
—Herman Melville (1819–1891)