zlayout.logic_circuits.Counter Class Reference

Inheritance diagram for zlayout.logic_circuits.Counter:

Collaboration diagram for zlayout.logic_circuits.Counter:

Public Member Functions
	__init__ (self, str name, int width=8, bool count_up=True)
	on_clock_edge (self)
	reset (self)
Public Member Functions inherited from zlayout.logic_circuits.SequentialLogic
	__init__ (self, str name)
	add_input (self, str signal_name)
	add_output (self, str signal_name)
bool	check_timing (self)

Public Attributes
	width = width
	count_up = count_up
tuple	max_count = (1 << width) - 1
Public Attributes inherited from zlayout.logic_circuits.SequentialLogic
	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

计数器

Definition at line 223 of file logic_circuits.py.

Constructor & Destructor Documentation

__init__()

zlayout.logic_circuits.Counter.__init__	(		self,
		str	name,
		int	width = 8,
		bool	count_up = True )

Definition at line 226 of file logic_circuits.py.

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Member Function Documentation

on_clock_edge()

zlayout.logic_circuits.Counter.on_clock_edge

(

self

)

时钟边沿触发

Reimplemented from zlayout.logic_circuits.SequentialLogic.

Definition at line 240 of file logic_circuits.py.

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reset()

zlayout.logic_circuits.Counter.reset

(

self

)

复位

Reimplemented from zlayout.logic_circuits.SequentialLogic.

Definition at line 270 of file logic_circuits.py.

Member Data Documentation

count_up

zlayout.logic_circuits.Counter.count_up = count_up

Definition at line 229 of file logic_circuits.py.

max_count

tuple zlayout.logic_circuits.Counter.max_count = (1 << width) - 1

Definition at line 230 of file logic_circuits.py.

width

zlayout.logic_circuits.Counter.width = width

Definition at line 228 of file logic_circuits.py.

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

• zlayout/logic_circuits.py