Digital design primitive representation. Transistors, transmission gates, etc. More...

Data Structures
struct	ast_cmos_switch_instance
	A single CMOS switch (transistor) instance. More...

struct	ast_enable_gate_instance
	A single enable gate. More...

struct	ast_enable_gate_instances
	A collection of enable gates with the same type and delay properties. More...

struct	ast_gate_instantiation
	Fully describes the instantiation of one or more gate level primitives. More...

struct	ast_mos_switch_instance
	A single MOS switch (transistor) instance. More...

struct	ast_n_input_gate_instance
	An N-input gate instance. e.g. 3-to-1 NAND. More...

struct	ast_n_input_gate_instances
	A collection of n-input gates with the same type and delay properties. More...

struct	ast_n_output_gate_instance
	Describes a single gate with one input and several outputs. More...

struct	ast_n_output_gate_instances

struct	ast_pass_enable_switch
	A single pass enable switch with pass and enable terminals. More...

struct	ast_pass_enable_switches
	Describes a collection of pass enable switches withe the same type and delay characteristics. More...

struct	ast_pass_switch_instance
	A single pass transistor instance. More...

struct	ast_primitive_pull_strength
	Describes the pull strength and direction of a primitive. More...

struct	ast_pull_gate_instance
	Describes a single pull gate instance. More...

struct	ast_pull_strength
	Fully describes the pull's of a net going up and down. More...

struct	ast_switch_gate
	Describes a single gate type along with it's delay properties. More...

struct	ast_switches
	A collection of CMOS, MOS or PASS switches of the same type. More...

Enumerations
enum	ast_enable_gatetype { EN_BUFIF0, EN_BUFIF1, EN_NOTIF0, EN_NOTIF1 }
	Describes a variety of enable gate type.

enum	ast_gate_type { GATE_CMOS, GATE_MOS, GATE_PASS, GATE_ENABLE, GATE_N_OUT, GATE_N_IN, GATE_PASS_EN, GATE_PULL_UP, GATE_PULL_DOWN }
	Describes a kind of gate primitive. More...

enum	ast_gatetype_n_input { N_IN_AND, N_IN_NAND, N_IN_NOR, N_IN_OR, N_IN_XOR, N_IN_XNOR }
	Describes the logical function performed by a builtin n-input gate.

enum	ast_n_output_gatetype { N_OUT_BUF, N_OUT_NOT }
	Describes the type of an n_output gate.

enum	ast_pass_enable_switchtype { PASS_EN_TRANIF0, PASS_EN_TRANIF1, PASS_EN_RTRANIF0, PASS_EN_RTRANIF1 }
	Describes a particular type of pass enable switch.

enum	ast_primitive_strength { STRENGTH_HIGHZ0, STRENGTH_HIGHZ1, STRENGTH_SUPPLY0, STRENGTH_STRONG0, STRENGTH_PULL0, STRENGTH_WEAK0, STRENGTH_SUPPLY1, STRENGTH_STRONG1, STRENGTH_PULL1, STRENGTH_WEAK1, STRENGTH_NONE }
	Describes the drive strength of a single primitive.

enum	ast_pull_direction { PULL_UP, PULL_DOWN, PULL_NONE }
	Describes pull direction.

enum	ast_switchtype { SWITCH_CMOS, SWITCH_RCMOS, SWITCH_NMOS, SWITCH_PMOS, SWITCH_RNMOS, SWITCH_RPMOS, SWITCH_TRAN, SWITCH_RTRAN }
	describes the type of a single MOS switch.

Functions
ast_cmos_switch_instance *	ast_new_cmos_switch_instance (ast_identifier name, ast_lvalue output_terminal, ast_expression ncontrol_terminal, ast_expression pcontrol_terminal, ast_expression input_terminal)
	A single CMOS switch (transistor) instance.

ast_enable_gate_instance *	ast_new_enable_gate_instance (ast_identifier name, ast_lvalue output_terminal, ast_expression enable_terminal, ast_expression *input_terminal)
	A single Enable gate instance.

ast_enable_gate_instances *	ast_new_enable_gate_instances (ast_gatetype_n_input type, ast_delay3 delay, ast_drive_strength drive_strength, ast_list *instances)
	Creates collection of enable gates with the same type and properties.

ast_gate_instantiation *	ast_new_gate_instantiation (ast_gate_type type)
	Creates and returns a new gate instantiation descriptor. More...

ast_mos_switch_instance *	ast_new_mos_switch_instance (ast_identifier name, ast_lvalue output_terminal, ast_expression enable_terminal, ast_expression *input_terminal)
	A single MOS switch (transistor) instance.

ast_n_input_gate_instance *	ast_new_n_input_gate_instance (ast_identifier name, ast_list input_terminals, ast_lvalue output_terminal)
	An N-input gate instance. e.g. 3-to-1 NAND.

ast_n_input_gate_instances *	ast_new_n_input_gate_instances (ast_gatetype_n_input type, ast_delay3 delay, ast_drive_strength drive_strength, ast_list *instances)
	Creates collection of n-input gates with the same type and properties.

ast_n_output_gate_instance *	ast_new_n_output_gate_instance (ast_identifier name, ast_list outputs, ast_expression input)
	Creates and returns a new n_output gate instance. More...

ast_n_output_gate_instances *	ast_new_n_output_gate_instances (ast_n_output_gatetype type, ast_delay2 delay, ast_drive_strength drive_strength, ast_list *instances)
	Creates and returns a set of n_output gates with the same properties.

ast_pass_enable_switch *	ast_new_pass_enable_switch (ast_identifier name, ast_lvalue terminal_1, ast_lvalue terminal_2, ast_expression *enable)
	Creates and returns a new pass enable switch instance.

ast_pass_enable_switches *	ast_new_pass_enable_switches (ast_pass_enable_switchtype type, ast_delay2 delay, ast_list switches)
	Creates and returns a collection of pass enable switches.

ast_pass_switch_instance *	ast_new_pass_switch_instance (ast_identifier name, ast_lvalue terminal_1, ast_lvalue terminal_2)
	A single pass transistor instance.

ast_primitive_pull_strength *	ast_new_primitive_pull_strength (ast_pull_direction direction, ast_primitive_strength strength_1, ast_primitive_strength strength_0)
	Creates and returns a new structure describing primitive net strength.

ast_pull_gate_instance *	ast_new_pull_gate_instance (ast_identifier name, ast_lvalue *output_terminal)
	Describes a single pull gate instance.

ast_pull_strength *	ast_new_pull_stregth (ast_primitive_strength strength_1, ast_primitive_strength strength_2)
	Create and return a new pull strength indicator for 1 and 0.

ast_switch_gate *	ast_new_switch_gate_d2 (ast_switchtype type, ast_delay2 *delay)
	Instances a new switch type with a delay2.

ast_switch_gate *	ast_new_switch_gate_d3 (ast_switchtype type, ast_delay3 *delay)
	Instances a new switch type with a delay3.

ast_switches *	ast_new_switches (ast_switch_gate type, ast_list switches)
	creates and returns a new collection of AST switches. More...

Detailed Description

Digital design primitive representation. Transistors, transmission gates, etc.

Enumeration Type Documentation

enum ast_gate_type

Describes a kind of gate primitive.

Enumerator
GATE_CMOS	Complementary metal oxide semiconductor.
GATE_MOS	Metal oxide Semiconductor.
GATE_PASS	Pass Transistor.
GATE_ENABLE	Enable Gate.
GATE_N_OUT	N output gates - buffers & Inverters.
GATE_N_IN	N input gates - AND,NAND,OR etc.
GATE_PASS_EN	Pass transistor enable gate.
GATE_PULL_UP	Pull up resistor.
GATE_PULL_DOWN	Pull down resistor.

Function Documentation

ast_gate_instantiation* ast_new_gate_instantiation ( ast_gate_type type )

Creates and returns a new gate instantiation descriptor.

Expects the data fields to be filled out manually after the structure is returned.

ast_n_output_gate_instance* ast_new_n_output_gate_instance	(	ast_identifier	name,
		ast_list *	outputs,
		ast_expression *	input
	)

Creates and returns a new n_output gate instance.

See also: ast_n_output_gate_instances

ast_switches* ast_new_switches	(	ast_switch_gate *	type,
		ast_list *	switches
	)

creates and returns a new collection of AST switches.

Data Structures

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

Function Documentation