dc_mv.upf

synopsys dc_shell 用户手册

#################################################################################
# Design Compiler Multi-Voltage UPF File Reference for Top-Down Flow
# Script: dc_MV.upf
# Version: B-2008.09 (Oct. 3, 2008)
# Copyright (C) 2007, 2008 Synopsys All rights reserved.
#################################################################################

#################################################################################
# Identifiers inside the {<>} will need to be modified by users to make 
# this UPF file work for their design. 
#
# Users will need to modify these UPF commands to adapt them to their
# design.
#
# For more information on the UPF commands, please refer to the
# Synopsys Low-Power Flow User Guide. 
# https://solvnet.synopsys.com/dow_retrieve/A-2008.03/slpfug/slpfug.html
#################################################################################

# Define custom name format for isolation cells and level shifters
# inserted. 
name_format -isolation_prefix <MyISO> \
            -level_shift_prefix <MyLS>

# Make sure scope is set to top level design
set_scope /

#######################
## Create Power Domains
#######################
create_power_domain {<TOP>}
create_power_domain {<PD1>}  -element {<PD1_CELLS>}
create_power_domain {<PD2>}  -element {<PD2_CELLS>}
create_power_domain {<PD3>}  -element {<PD3_CELLS>}
create_power_domain {<PD4>}  -element {<PD4_CELLS>}

#################################
## Power Supply Network
#################################
# VDD Supply Port
create_supply_port {<TOP_POWER_PORT>}
create_supply_net  {<TOP_POWER_NET>}   -domain {<TOP>}
create_supply_net  {<TOP_POWER_NET>}   -domain {<PD4>} -reuse
connect_supply_net {<TOP_POWER_NET>}   -ports {<TOP_POWER_PORT>}


# VSS Supply Port
create_supply_port {<TOP_GROUND_PORT>}
create_supply_net  {<TOP_GROUND_NET>}   -domain {<TOP>}
create_supply_net  {<TOP_GROUND_NET>}   -domain {<PD2>} -reuse
create_supply_net  {<TOP_GROUND_NET>}   -domain {<PD3>} -reuse
create_supply_net  {<TOP_GROUND_NET>}   -domain {<PD1>} -reuse
create_supply_net  {<TOP_GROUND_NET>}   -domain {<PD4>} -reuse
connect_supply_net {<TOP_GROUND_NET>}   -ports {<TOP_GROUND_PORT>}


# VDD1 Supply Port
create_supply_port {<PD2_POWER_PORT>}
create_supply_net  {<PD2_SUPPLY_NET>}   -domain {<TOP>}
create_supply_net  {<PD2_SUPPLY_NET>}   -domain {<PD2>} -reuse
connect_supply_net {<PD2_SUPPLY_NET>}   -ports {<PD2_POWER_PORT>}

create_supply_net  {<PD2_SHUTDOWN_SUPPLY_NET>}  -domain {<TOP>}
create_supply_net  {<PD2_SHUTDOWN_SUPPLY_NET>}  -domain {<PD2>} -reuse


# VDD2 Supply Port
create_supply_port {<PD3_POWER_PORT>} 
create_supply_net  {<PD3_SUPPLY_NET>}   -domain {<TOP>}
create_supply_net  {<PD3_SUPPLY_NET>}   -domain {<PD3>} -reuse
connect_supply_net {<PD3_SUPPLY_NET>}   -ports {<PD3_POWER_PORT>}

create_supply_net  {<PD3_SHUTDOWN_SUPPLY_NET>}  -domain {<PD3>}


# VDD3 Supply Port
create_supply_port {<PD1_POWER_PORT>} 
create_supply_net  {<PD1_SUPPLY_NET>}   -domain {<TOP>}
create_supply_net  {<PD1_SUPPLY_NET>}   -domain {<PD3>} -reuse
connect_supply_net {<PD1_SUPPLY_NET>}   -ports {<PD1_POWER_PORT>}

create_supply_net  {<PD1_SHUTDOWN_SUPPLY_NET>}  -domain {<PD1>}


#############################################
## Setting Power Domain's Primary Supply Nets 
#############################################
set_domain_supply_net {<TOP>}   -primary_power_net {<TOP_POWER_NET>} \
                            -primary_ground_net {<TOP_GROUND_NET>}
set_domain_supply_net {<PD1>} -primary_power_net {<PD1_SHUTDOWN_SUPPLY_NET>} \
                             -primary_ground_net {<TOP_GROUND_NET>}
set_domain_supply_net {<PD2>} -primary_power_net {<PD2_SHUTDOWN_SUPPLY_NET>} \
                             -primary_ground_net {<TOP_GROUND_NET>}
set_domain_supply_net {<PD3>} -primary_power_net {<PD3_SHUTDOWN_SUPPLY_NET>} \
                             -primary_ground_net {<TOP_GROUND_NET>}
set_domain_supply_net {<PD4>} -primary_power_net {<TOP_POWER_NET>} \
                             -primary_ground_net {<TOP_GROUND_NET>}


## Power Definition for Power Domain 2
######################################

# Create Power Switch for Power Domain 2
# This power switch exists in the power domain TOP
##################################################
create_power_switch inst_sw \
  -domain {<TOP>} \
  -input_supply_port { {<SWITCH_INPUT_PORT>} {<PD2_SUPPLY_NET>} } \
  -output_supply_port { {<SWITCH_OUTPUT_PORT>} {<PD2_SHUTDOWN_SUPPLY_NET>} } \
  -control_port { {<PD2_SWITCH_CONTROL_PORT>} {<PD2_SWITCH_ENABLE_SIGNAL>} }

# Define Isolation Constaints 
################################
set_isolation {<PD2_INPUT_ISOLATION_STRATEGY>} \
  -domain {<PD2>} \
  -isolation_power_net {<TOP_POWER_NET>} \
  -isolation_ground_net {<TOP_GROUND_NET>} \
  -clamp_value 1 \
  -applies_to inputs

set_isolation_control {<PD2_INPUT_ISOLATION_STRATEGY>} \
  -domain {<PD2>} \
  -isolation_signal {<PD2_INPUT_ISOLATION_ENABLE_SIGNAL>} \
  -isolation_sense high \
  -location parent

set_isolation {<PD2_OUTPUT_ISOLATION_STRATEGY>} \
  -domain {<PD2>} \
  -isolation_power_net {<TOP_POWER_NET>} \
  -isolation_ground_net {<TOP_GROUND_NET>} \
  -clamp_value 1 \
  -applies_to outputs

set_isolation_control {<PD2_OUTPUT_ISOLATION_STRATEGY>} \
  -domain {<PD2>} \
  -isolation_signal {<PD2_OUTPUT_ISOLATION_ENABLE_SIGNAL>} \
  -isolation_sense low \
  -location parent

set_isolation {<PD2_RESET_ISOLATION_STRATEGY>} \
  -domain {<PD2>} \
  -element {<PD2_RESET_PORT>} \
  -no_isolation

# Define Retention Register Constraint
######################################
set_retention {<PD2_RETENTION_STRATEGY>} \
  -domain {<PD2>} \
  -retention_power_net {<PD2_SUPPLY_NET>} \
  -retention_ground_net {<TOP_GROUND_NET>}

set_retention_control {<PD2_RETENTION_STRATEGY>} \
  -domain {<PD2>} \
  -save_signal {<{<PD2_SAVE_SIGNAL>} high>} \
  -restore_signal {<{<PD2_RESTORE_SIGNAL>} low>}

map_retention_cell {<PD2_RETENTION_STRATEGY>} \
                   -domain {<PD2>} \
                   -lib_cell_type {<RETENTION_LIB_CELL>}


## Power Definition for Power Domain 3
######################################

# Create Power Switch for Power Domain 3
# This power switch exists in the power domain PD3
##################################################
create_power_switch {<PD3_SWITCH>} \
  -domain {<PD3>} \
  -input_supply_port { {<SWITCH_INPUT_PORT>} {<PD3_SUPPLY_NET>} } \
  -output_supply_port { {<SWITCH_OUTPUT_PORT>} {<PD3_SHUTDOWN_SUPPLY_NET>} } \
  -control_port { {<PD3_SWITCH_CONTROL_PORT>} {<PD3_SWITCH_ENABLE_SIGNAL>} } \

# Define Isolation Constaints 
################################
set_isolation {<PD3_INPUT_ISOLATION_STRATEGY>} \
  -domain {<PD3>} \
  -isolation_power_net {<TOP_POWER_NET>} \
  -isolation_ground_net {<TOP_GROUND_NET>} \
  -clamp_value 1 \
  -applies_to inputs

set_isolation_control {<PD3_INPUT_ISOLATION_STRATEGY>} \
  -domain {<PD3>} \
  -isolation_signal {<PD3_INPUT_ISOLATION_ENABLE_SIGNAL>} \
  -isolation_sense high \
  -location parent

set_isolation {<PD3_OUTPUT_ISOLATION_STRATEGY>} \
  -domain {<PD3>} \
  -isolation_power_net {<TOP_POWER_NET>} \
  -isolation_ground_net {<TOP_GROUND_NET>} \
  -clamp_value 1 \
  -applies_to outputs

set_isolation_control {<PD3_OUTPUT_ISOLATION_STRATEGY>} \
  -domain {<PD3>} \
  -isolation_signal {<PD3_OUTPUT_ISOLATION_ENABLE_SIGNAL>} \
  -isolation_sense low \
  -location parent

set_isolation {<PD3_RESET_ISOLATION_STRATEGY>} \
  -domain {<PD3>} \
  -element {<PD3_RESET_PORT>} \
  -no_isolation

# Define Retention Register Constraint
######################################

set_retention {<PD3_RETENTION_STRATEGY>} \
  -domain {<PD3>} \
  -retention_power_net {<PD3_SUPPLY_NET>} \
  -retention_ground_net {<TOP_GROUND_NET>}

set_retention_control {<PD3_RETENTION_STRATEGY>} \
  -domain {<PD3>} \
  -save_signal {<{<PD3_SAVE_SIGNAL>} high>} \
  -restore_signal {<{<PD3_RESTORE_SIGNAL>} low>}

map_retention_cell {<PD3_RETENTION_STRATEGY>} \
                   -domain {<PD3>} \
                   -lib_cell_type {<RETENTION_LIB_CELL>}


## Power Definition for Power Domain 1
######################################

# Create Power Switch for Power Domain 1
# This power switch exists in the power domain PD1
##################################################
create_power_switch {<PD1_SWITCH>} \
  -domain {<PD1>} \
  -input_supply_port { {<SWITCH_INPUT_PORT>} {<PD1_SUPPLY_NET>} } \
  -output_supply_port { {<SWITCH_OUTPUT_PORT>} {<PD1_SHUTDOWN_SUPPLY_NET>} } \
  -control_port { {<PD1_SWITCH_CONTROL_PORT>} {<PD1_SWITCH_ENABLE_SIGNAL>} } \

# Define Isolation Constaints 
################################

set_isolation {<PD1_OUTPUT_ISOLATION_STRATEGY>} \
  -domain {<PD1>} \
  -isolation_power_net {<TOP_POWER_NET>} \
  -isolation_ground_net {<TOP_GROUND_NET>} \
  -clamp_value 1 \
  -applies_to outputs 

set_isolation_control {<PD1_OUTPUT_ISOLATION_STRATEGY>} \
  -domain {<PD1>} \
  -isolation_signal {<PD1_OUTPUT_ISOLATION_SIGNAL>} \
  -isolation_sense high \
  -location parent


## Power Definition for Power Domain 4
######################################

# Define Isolation Constaints 
################################

set_isolation {<PD4_INPUT_ISOLATION_STRATEGY>} \
  -domain {<PD4>} \
  -isolation_power_net {<TOP_POWER_NET>} \
  -isolation_ground_net {<TOP_GROUND_NET>} \
  -clamp_value 1 \
  -applies_to inputs \

set_isolation_control {<PD4_INPUT_ISOLATION_STRATEGY>} \
  -domain {<PD4>} \
  -isolation_signal {<PD4_INPUT_ISOLATION_SIGNAL>} \
  -isolation_sense high \
  -location self

set_isolation {<PD4_ENABLE_ISOLATION_STRATEGY>} \
  -domain {<PD4>} \
  -element {<PD4_ISOLATION_ENABLE_PORT>} \
  -no_isolation


# ADD PORT STATE INFO
#####################
add_port_state {<TOP_POWER_PORT>}   -state {<HV>  <value1>}

add_port_state {<PD2_POWER_PORT>}  -state {<HV>  <value1>}\
	                           -state {<LV>  <value2>}

add_port_state {<PD2_SWITCH>}/{<SWITCH_OUTPUT>} -state {<HV>  <value1>}\
	                                      -state {<LV>  <value2>}\
		                                -state {<OFF off>}

add_port_state {<PD3_POWER_PORT>}  -state {<HV>  <value1>}\
                                 -state {<LV>  <value2>}

add_port_state {<PD3_SWITCH>}/{<SWITCH_OUTPUT>} -state {<HV>  <value1>}\
	                                      -state {<LV>  <value2>}\
		                                -state {<OFF off>}

add_port_state {<PD1_POWER_PORT>}  -state {<HV>  <value1>}

add_port_state {<PD1_SWITCH>}/{<SWITCH_OUTPUT>} -state {<HV>  <value1>}\
                                             -state {<OFF off>}


###########################
## Create Power State Table
###########################
create_pst {<PST_NAME>} -supplies  { {<TOP_SUPPLY_NET>} \
                                   {<PD2_SUPPLY_NET>} \
                                   {<PD2_SHUTDOWN_SUPPLY_NET>} \
                                   {<PD3_SUPPLY_NET>} \
                                   {<PD3_SHUTDOWN_SUPPLY_NET>} \
                                   {<PD1_SUPPLY_NET>} \
                                   {<PD1_SHUTDOWN_SUPPLY_NET>} }

add_pst_state s0  -pst {<PST_NAME>} -state {<HV>  <HV>   <HV>    <HV>   <HV>    <HV>   <HV>}
add_pst_state s01 -pst {<PST_NAME>} -state {<HV> <HV>  <OFF> <HV>  <HV>   <HV>  <HV>}
add_pst_state s02 -pst {<PST_NAME>} -state {<HV> <HV>  <HV>   <HV>  <OFF> <HV>  <HV>}
add_pst_state s03 -pst {<PST_NAME>} -state {<HV> <HV>  <HV>   <HV>  <HV>   <HV>   OFF>}
add_pst_state s1  -pst {<PST_NAME>} -state {<HV> <LV>  <LV>   <LV>  <LV>   <HV>  <HV>}
add_pst_state s11 -pst {<PST_NAME>} -state {<HV> <LV>  <OFF> <LV>  <LV>   <HV>  <HV>}
add_pst_state s12 -pst {<PST_NAME>} -state {<HV> <LV>  <LV>   <LV>  <OFF> <HV>  <HV>}
add_pst_state s13 -pst {<PST_NAME>} -state {<HV> <LV>  <LV>   <LV>  <LV>   <HV>   OFF>}