zlayout.logic_circuits.SequentialLogic Class Reference

Inheritance diagram for zlayout.logic_circuits.SequentialLogic:

Public Member Functions
	__init__ (self, str name)
	add_input (self, str signal_name)
	add_output (self, str signal_name)
	on_clock_edge (self)
	reset (self)
bool	check_timing (self)

Public Attributes
	name = name
	clock_signal = Signal("clock")
	reset_signal = Signal("reset")
	enable_signal = Signal("enable")
dict	inputs = {}
dict	outputs = {}
dict	internal_state = {}
	clock_edge = ClockEdge.RISING
float	setup_time = 0.1
float	hold_time = 0.1
float	propagation_delay = 0.5

Detailed Description

时序逻辑电路基类

Definition at line 83 of file logic_circuits.py.

Constructor & Destructor Documentation

__init__()

zlayout.logic_circuits.SequentialLogic.__init__	(		self,
		str	name )

Definition at line 86 of file logic_circuits.py.

Member Function Documentation

add_input()

zlayout.logic_circuits.SequentialLogic.add_input	(		self,
		str	signal_name )

添加输入信号

Definition at line 99 of file logic_circuits.py.

add_output()

zlayout.logic_circuits.SequentialLogic.add_output	(		self,
		str	signal_name )

添加输出信号

Definition at line 103 of file logic_circuits.py.

check_timing()

bool zlayout.logic_circuits.SequentialLogic.check_timing

(

self

)

检查时序约束

Definition at line 115 of file logic_circuits.py.

on_clock_edge()

zlayout.logic_circuits.SequentialLogic.on_clock_edge

(

self

)

时钟边沿触发，子类需要实现

Reimplemented in zlayout.logic_circuits.Counter, and zlayout.logic_circuits.FlipFlop.

Definition at line 107 of file logic_circuits.py.

reset()

zlayout.logic_circuits.SequentialLogic.reset

(

self

)

复位操作，子类需要实现

Reimplemented in zlayout.logic_circuits.Counter, and zlayout.logic_circuits.FlipFlop.

Definition at line 111 of file logic_circuits.py.

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Member Data Documentation

clock_edge

zlayout.logic_circuits.SequentialLogic.clock_edge = ClockEdge.RISING

Definition at line 94 of file logic_circuits.py.

clock_signal

zlayout.logic_circuits.SequentialLogic.clock_signal = Signal("clock")

Definition at line 88 of file logic_circuits.py.

enable_signal

zlayout.logic_circuits.SequentialLogic.enable_signal = Signal("enable")

Definition at line 90 of file logic_circuits.py.

hold_time

float zlayout.logic_circuits.SequentialLogic.hold_time = 0.1

Definition at line 96 of file logic_circuits.py.

inputs

dict zlayout.logic_circuits.SequentialLogic.inputs = {}

Definition at line 91 of file logic_circuits.py.

internal_state

dict zlayout.logic_circuits.SequentialLogic.internal_state = {}

Definition at line 93 of file logic_circuits.py.

name

zlayout.logic_circuits.SequentialLogic.name = name

Definition at line 87 of file logic_circuits.py.

outputs

dict zlayout.logic_circuits.SequentialLogic.outputs = {}

Definition at line 92 of file logic_circuits.py.

propagation_delay

float zlayout.logic_circuits.SequentialLogic.propagation_delay = 0.5

Definition at line 97 of file logic_circuits.py.

reset_signal

zlayout.logic_circuits.SequentialLogic.reset_signal = Signal("reset")

Definition at line 89 of file logic_circuits.py.

setup_time

float zlayout.logic_circuits.SequentialLogic.setup_time = 0.1

Definition at line 95 of file logic_circuits.py.

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The documentation for this class was generated from the following file:

• zlayout/logic_circuits.py