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Added VerilogA reference manuals

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Roka Miklos
2026-06-26 15:48:29 +02:00
parent ca65b637df
commit 07d6172524
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doc/VerilogA/Verilog A (ADS) Ref.pdf
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doc/VerilogA/constants.vams
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// Copyright(c) 2009-2014 Accellera Systems Initiative Inc.
// 1370 Trancas Street #163, Napa, CA 94558, USA.
//
// The material in constants.vams is an essential part of the Accellera Systems
// Initiative ("Accellera") Verilog-AMS Language Standard. Verbatim copies of
// the material in this Annex may be used and distributed without restriction.
// All other uses require permission from Accellera IP Committee
// (ipr-chair@lists.accellera.org).
// All other rights reserved
//
// Version 2.4.0
//
// Mathematical and physical constants
`ifdef CONSTANTS_VAMS
`else
`define CONSTANTS_VAMS 1
// M_ is a mathematical constant
`define M_E 2.7182818284590452354
`define M_LOG2E 1.4426950408889634074
`define M_LOG10E 0.43429448190325182765
`define M_LN2 0.69314718055994530942
`define M_LN10 2.30258509299404568402
`define M_PI 3.14159265358979323846
`define M_TWO_PI 6.28318530717958647693
`define M_PI_2 1.57079632679489661923
`define M_PI_4 0.78539816339744830962
`define M_1_PI 0.31830988618379067154
`define M_2_PI 0.63661977236758134308
`define M_2_SQRTPI 1.12837916709551257390
`define M_SQRT2 1.41421356237309504880
`define M_SQRT1_2 0.70710678118654752440
// The following constants have been taken from http://physics.nist.gov
// P_ is a physical constant
// charge of electron in Coulombs
`define P_Q_SPICE 1.60219e-19
`define P_Q_OLD 1.6021918e-19
`define P_Q_NIST1998 1.602176462e-19
`define P_Q_NIST2010 1.602176565e-19
// speed of light in vacuum in meters/second
`define P_C 2.99792458e8
// Boltzmann's constant in Joules/Kelvin
`define P_K_SPICE 1.38062e-23
`define P_K_OLD 1.3806226e-23
`define P_K_NIST1998 1.3806503e-23
`define P_K_NIST2010 1.3806488e-23
// Planck's constant in Joules*second
`define P_H_SPICE 6.62620e-34
`define P_H_OLD 6.6260755e-34
`define P_H_NIST1998 6.62606876e-34
`define P_H_NIST2010 6.62606957e-34
// permittivity of vacuum in Farads/meter
`define P_EPS0_SPICE 8.854214871e-12
`define P_EPS0_OLD 8.85418792394420013968e-12
`define P_EPS0_NIST1998 8.854187817e-12
`define P_EPS0_NIST2010 8.854187817e-12
// permeability of vacuum in Henrys/meter
`define P_U0 (4.0e-7 * `M_PI)
// zero Celsius in Kelvin
`define P_CELSIUS0 273.15
`ifdef PHYSICAL_CONSTANTS_SPICE
// from UC Berkeley SPICE 3F5
`define P_Q `P_Q_SPICE
`define P_K `P_K_SPICE
`define P_H `P_H_SPICE
`define P_EPS0 `P_EPS0_SPICE
`else
`ifdef PHYSICAL_CONSTANTS_OLD
// from Verilog-A LRM 1.0 and Verilog-AMS LRM 2.0
`define P_Q `P_Q_OLD
`define P_K `P_K_OLD
`define P_H `P_H_OLD
`define P_EPS0 `P_EPS0_OLD
`else
`ifdef PHYSICAL_CONSTANTS_NIST2010
`define P_Q `P_Q_NIST2010
`define P_K `P_K_NIST2010
`define P_H `P_H_NIST2010
`define P_EPS0 `P_EPS0_NIST2010
`else
// use NIST1998 values as in LRM 2.2 - 2.3 for backwards-compatibility
`define P_Q `P_Q_NIST1998
`define P_K `P_K_NIST1998
`define P_H `P_H_NIST1998
`define P_EPS0 `P_EPS0_NIST1998
`endif
`endif
`endif
`endif
doc/VerilogA/disciplines.vams
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// Copyright(c) 2009-2014 Accellera Systems Initiative Inc.
// 1370 Trancas Street #163, Napa, CA 94558, USA.
//
// The material in disciplines.vams is an essential part of the Accellera Systems
// Initiative ("Accellera") Verilog-AMS Language Standard. Verbatim copies of
// the material in this Annex may be used and distributed without restriction.
// All other uses require permission from Accellera IP Committee
// (ipr-chair@lists.accellera.org).
// All other rights reserved.
//
// Version 2.4.0
`ifdef DISCIPLINES_VAMS
`else
`define DISCIPLINES_VAMS 1
//
// Natures and Disciplines
//
discipline \logic ;
domain discrete;
enddiscipline
discipline ddiscrete;
domain discrete;
enddiscipline
/*
* Default absolute tolerances may be overridden by setting the
* appropriate _ABSTOL prior to including this file
*/
// Electrical
// Current in amperes
nature Current;
units = "A";
access = I;
idt_nature = Charge;
`ifdef CURRENT_ABSTOL
abstol = `CURRENT_ABSTOL;
`else
abstol = 1e-12;
`endif
endnature
// Charge in coulombs
nature Charge;
units = "coul";
access = Q;
ddt_nature = Current;
`ifdef CHARGE_ABSTOL
abstol = `CHARGE_ABSTOL;
`else
abstol = 1e-14;
`endif
endnature
// Potential in volts
nature Voltage;
units = "V";
access = V;
idt_nature = Flux;
`ifdef VOLTAGE_ABSTOL
abstol = `VOLTAGE_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Flux in Webers
nature Flux;
units = "Wb";
access = Phi;
ddt_nature = Voltage;
`ifdef FLUX_ABSTOL
abstol = `FLUX_ABSTOL;
`else
abstol = 1e-9;
`endif
endnature
// Conservative discipline
discipline electrical;
potential Voltage;
flow Current;
enddiscipline
// Signal flow disciplines
discipline voltage;
potential Voltage;
enddiscipline
discipline current;
flow Current;
enddiscipline
// Magnetic
// Magnetomotive force in Ampere-Turns.
nature Magneto_Motive_Force;
units = "A*turn";
access = MMF;
`ifdef MAGNETO_MOTIVE_FORCE_ABSTOL
abstol = `MAGNETO_MOTIVE_FORCE_ABSTOL;
`else
abstol = 1e-12;
`endif
endnature
// Conservative discipline
discipline magnetic;
potential Magneto_Motive_Force;
flow Flux;
enddiscipline
// Thermal
// Temperature in Kelvin
nature Temperature;
units = "K";
access = Temp;
`ifdef TEMPERATURE_ABSTOL
abstol = `TEMPERATURE_ABSTOL;
`else
abstol = 1e-4;
`endif
endnature
// Power in Watts
nature Power;
units = "W";
access = Pwr;
`ifdef POWER_ABSTOL
abstol = `POWER_ABSTOL;
`else
abstol = 1e-9;
`endif
endnature
// Conservative discipline
discipline thermal;
potential Temperature;
flow Power;
enddiscipline
// Kinematic
// Position in meters
nature Position;
units = "m";
access = Pos;
ddt_nature = Velocity;
`ifdef POSITION_ABSTOL
abstol = `POSITION_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Velocity in meters per second
nature Velocity;
units = "m/s";
access = Vel;
ddt_nature = Acceleration;
idt_nature = Position;
`ifdef VELOCITY_ABSTOL
abstol = `VELOCITY_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Acceleration in meters per second squared
nature Acceleration;
units = "m/s^2";
access = Acc;
ddt_nature = Impulse;
idt_nature = Velocity;
`ifdef ACCELERATION_ABSTOL
abstol = `ACCELERATION_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Impulse in meters per second cubed
nature Impulse;
units = "m/s^3";
access = Imp;
idt_nature = Acceleration;
`ifdef IMPULSE_ABSTOL
abstol = `IMPULSE_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Force in Newtons
nature Force;
units = "N";
access = F;
`ifdef FORCE_ABSTOL
abstol = `FORCE_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Conservative disciplines
discipline kinematic;
potential Position;
flow Force;
enddiscipline
discipline kinematic_v;
potential Velocity;
flow Force;
enddiscipline
// Rotational
// Angle in radians
nature Angle;
units = "rads";
access = Theta;
ddt_nature = Angular_Velocity;
`ifdef ANGLE_ABSTOL
abstol = `ANGLE_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Angular Velocity in radians per second
nature Angular_Velocity;
units = "rads/s";
access = Omega;
ddt_nature = Angular_Acceleration;
idt_nature = Angle;
`ifdef ANGULAR_VELOCITY_ABSTOL
abstol = `ANGULAR_VELOCITY_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Angular acceleration in radians per second squared
nature Angular_Acceleration;
units = "rads/s^2";
access = Alpha;
idt_nature = Angular_Velocity;
`ifdef ANGULAR_ACCELERATION_ABSTOL
abstol = `ANGULAR_ACCELERATION_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Torque in Newtons
nature Angular_Force;
units = "N*m";
access = Tau;
`ifdef ANGULAR_FORCE_ABSTOL
abstol = `ANGULAR_FORCE_ABSTOL;
`else
abstol = 1e-6;
`endif
endnature
// Conservative disciplines
discipline rotational;
potential Angle;
flow Angular_Force;
enddiscipline
discipline rotational_omega;
potential Angular_Velocity;
flow Angular_Force;
enddiscipline
`endif