ri.tmg 4.17 KB
/*****************************************************************************/
/* custom variables                                                          */
/*****************************************************************************/
module = "ri"
wire_load = 128000
standard_load = 0.01
clock = "clock"
default_input_delay = 1.5
default_output_delay = 13.0
default_pin_delay = 10.0
default_input_load = 20
default_output_load = 20
default_pin_load = 150
default_drive_cell = "dfntnh"
default_drive_pin = "q"
default_period = 16.0
default_max_transition = 2.0
default_uncertainty = 1.0


/*****************************************************************************/
/* default environment                                                       */
/*****************************************************************************/
set_operating_conditions NOM


/*****************************************************************************/
/* clock constraints                                                         */
/*****************************************************************************/
create_clock clock -period default_period -waveform { 0.0 default_period / 2 }
set_clock_skew -propagated -uncertainty default_uncertainty clock
set_dont_touch_network clock


/*****************************************************************************/
/* default constraint                                                        */
/*****************************************************************************/
set_max_area 0
set_dont_touch { ne35hd130d/nt01d* }

set_input_delay default_input_delay -clock clock all_inputs() > /dev/null
set_output_delay default_output_delay -clock clock all_outputs() > /dev/null
set_load default_output_load * standard_load all_outputs() > /dev/null
set_load default_input_load * standard_load all_inputs() > /dev/null
set_driving_cell -cell default_drive_cell -pin default_drive_pin all_inputs() > /dev/null

set_drive 0 { clock }
set_input_delay 0 { clock }

set_max_transition default_max_transition current_design


/*****************************************************************************/
/* custom constraints                                                        */
/*****************************************************************************/
set_driving_cell -cell ni01d5 { cbus_read_enable cbus_write_enable }

set_driving_cell -cell nt01d5 { cbus_data dbus_data ebus_data }
set_load 200 * standard_load { cbus_data dbus_data ebus_data }
set_input_delay 10.0 -clock clock { cbus_data dbus_data ebus_data }
set_output_delay 6.0 -clock clock { cbus_data dbus_data ebus_data }

set_driving_cell -cell ni01d5 { cbus_command }
set_load 200 * standard_load { cbus_command }
set_max_fanout 2 * standard_load { cbus_command }

set_output_delay 10.0 -clock clock { sp_dbus_read_enable }
set_output_delay 10.0 -clock clock { mi_dbus_read_enable }
set_output_delay 10.0 -clock clock { span_dbus_read_enable }
set_output_delay 10.0 -clock clock { sp_dbus_write_enable }
set_output_delay 10.0 -clock clock { mi_dbus_write_enable }
set_output_delay 10.0 -clock clock { pi_dbus_write_enable }
set_output_delay 10.0 -clock clock { si_dbus_write_enable }
set_output_delay 10.0 -clock clock { span_dbus_write_enable }

set_load 170 * standard_load  { sp_dbus_read_enable }
set_load 170 * standard_load  { mi_dbus_read_enable }
set_load 170 * standard_load  { span_dbus_read_enable }
set_load 170 * standard_load  { sp_dbus_write_enable }
set_load 170 * standard_load  { mi_dbus_write_enable }
set_load 170 * standard_load  { pi_dbus_write_enable }
set_load 170 * standard_load  { si_dbus_write_enable }
set_load 170 * standard_load  { span_dbus_write_enable }

set_max_transition 1.5 { *_dbus_read_enable *_dbus_write_enable }

set_load 100 * standard_load { start last }
set_max_transition 1.0 { start last ready }

set_max_fanout 2 * standard_load { rbus_data_in rbus_extend_in ack nack }

set_output_delay -max 10.0 -clock clock { c_ctl_i c_ctl_en c_ctl_ld }
set_load 150 * standard_load { c_ctl_i c_ctl_en c_ctl_ld }
set_max_transition 1.0 { c_ctl_i c_ctl_en c_ctl_ld }

set_output_delay 5.0 -clock clock \
  { rbus_data_out rbus_extend_out rbus_control_out rbus_enable_out }

set_max_fanout 2 * standard_load reset_l