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A.7.4 Specify path delays

发布于 2020-09-09 22:56:12 字数 2812 浏览 1054 评论 0 收藏 0

path_delay_value ::=

list_of_path_delay_expressions

| ( list_of_path_delay_expressions )

list_of_path_delay_expressions ::=

t_path_delay_expression

| trise_path_delay_expression , tfall_path_delay_expression

| trise_path_delay_expression , tfall_path_delay_expression , tz_path_delay_expression

| t01_path_delay_expression , t10_path_delay_expression , t0z_path_delay_expression ,

tz1_path_delay_expression , t1z_path_delay_expression , tz0_path_delay_expression

| t01_path_delay_expression , t10_path_delay_expression , t0z_path_delay_expression ,

tz1_path_delay_expression , t1z_path_delay_expression , tz0_path_delay_expression ,

t0x_path_delay_expression , tx1_path_delay_expression , t1x_path_delay_expression ,

tx0_path_delay_expression , txz_path_delay_expression , tzx_path_delay_expression

t_path_delay_expression ::= path_delay_expression

trise_path_delay_expression ::= path_delay_expression

tfall_path_delay_expression ::= path_delay_expression

tz_path_delay_expression ::= path_delay_expression

t01_path_delay_expression ::= path_delay_expression

t10_path_delay_expression ::= path_delay_expression

t0z_path_delay_expression ::= path_delay_expression

tz1_path_delay_expression ::= path_delay_expression

t1z_path_delay_expression ::= path_delay_expression

tz0_path_delay_expression ::= path_delay_expression

t0x_path_delay_expression ::= path_delay_expression

tx1_path_delay_expression ::= path_delay_expression

t1x_path_delay_expression ::= path_delay_expression

tx0_path_delay_expression ::= path_delay_expression

txz_path_delay_expression ::= path_delay_expression

tzx_path_delay_expression ::= path_delay_expression

path_delay_expression ::= constant_mintypmax_expression

edge_sensitive_path_declaration ::=

parallel_edge_sensitive_path_description = path_delay_value

| full_edge_sensitive_path_description = path_delay_value

parallel_edge_sensitive_path_description ::=

( [ edge_identifier ] specify_input_terminal_descriptor =>

( specify_output_terminal_descriptor [ polarity_operator ] : data_source_expression ) )

full_edge_sensitive_path_description ::=

( [ edge_identifier ] list_of_path_inputs *>

( list_of_path_outputs [ polarity_operator ] : data_source_expression ) )

data_source_expression ::= expression

edge_identifier ::= posedge | negedge

state_dependent_path_declaration ::=

if ( module_path_expression ) simple_path_declaration

| if ( module_path_expression ) edge_sensitive_path_declaration

| ifnone simple_path_declaration

polarity_operator ::= + |

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