Encore SIM EDITOR SOFTWARE Guia do Utilizador descarregar pdf (Página 13)

Disabling CELLTYPE Checking in SDF Files . . . . . . . . . . . . 13-15

The SDF Configuration File . . . . . . . . . . . . . . . . . . . . . . . . . . 13-16

Delay Objects and Constructs . . . . . . . . . . . . . . . . . . . . . 13-17

SDF Configuration File Commands . . . . . . . . . . . . . . . . . 13-18

SDF Example with Configuration File. . . . . . . . . . . . . . . . 13-25

Understanding the DEVICE Construct . . . . . . . . . . . . . . . . . . . . 13-28

Handling Backannotation to I/O Ports . . . . . . . . . . . . . . . . . . . . . 13-30

Using the INTERCONNECT Construct . . . . . . . . . . . . . . . . . . . . 13-31

Multiple Backannotations to Same Delay Site. . . . . . . . . . . . . . . 13-31

INTERCONNECT Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-32

Multisource INTERCONNECT Delays. . . . . . . . . . . . . . . . . . 13-32

Omitting the +multisource_int_delays Option. . . . . . . . . . 13-34

Simultaneous Multiple Source Transitions . . . . . . . . . . . . 13-35

Single Source INTERCONNECT Delays . . . . . . . . . . . . . . . . 13-36

Min:Typ:Max Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-37

Specifying Min:Typ:Max Delays at Runtime. . . . . . . . . . . . . . 13-38

Using the Configuration File to Disable Timing . . . . . . . . . . . . . . 13-39

Using the timopt Timing Optimizer . . . . . . . . . . . . . . . . . . . . . . . 13-40

Editing the timopt.cfg File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-43

Editing Potential Sequential Device Entries. . . . . . . . . . . . . . 13-43

Editing Clock Signal Entries. . . . . . . . . . . . . . . . . . . . . . . . . . 13-44

14. Negative Timing Checks

The Need for Negative Value Timing Checks . . . . . . . . . . . . . . . 14-2

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 148 149

Sem comentários

Encore SIM EDITOR SOFTWARE Guia do Utilizador Página 13