Unresolved Supply Net

1
Unresolved Supply Net
IN
SP1
SN1
SN1
EN
SW
EN
SW
SN2
SP2
OUT
SN2
SN4
Example 1. SN2 is Unresolved1 Driver SW out
port
Example 2. SN1 is Unresolved1 Source SP1 in
port1 Driver SP1 with no hiconn SN2 is
Unresolved (example 1) SN4 is unresolved 1
Source SP2 out port 1 Driver SW out port SN2
SN4 can have sinks in out block
2
Resolved Supply Net
IN
SP1
SN1
SN1
SN3
EN
SW
IN
SN3
EN1
EN2
SN2
OUT
SW1
SW2
SP2
OUT
SP3
OUT
SN4
SN2
Example 4. Error if SN4 is unresolved 2 Sources
SP2 SP3 out ports 1 Driver SW out port Legal
resolutions parallel or parallel_one_hot Illegal
resolutions one_hot SN2, SN3 and SN4 can all
have sinks
Example 3. Error if SN2 unresolved. 2 Drivers
SW1 out port and SW2 out
port Legal resolutions one_hot or
parallel_one_hot Illegal resolution parallel
resolution
3
Resolved Supply Net
IN
SP1
SN1
EN1
SW1
IN
SN3
SN2
OUT
SP2
IO
SP3
IO
SN4
IN
SP4
Example 5. Error if SN4 is unresolved 3 Sources
SP2 SP3 out ports SP5 INOUT port 2 Drivers
SW1 SW2 out ports Legal resolution
parallel_one_hot Illegal resolutions one_hot or
parallel NOTE SP2, SP3 and SP5 must be IO as
sourcesare defined on both hi/loconns of the
portsAnd it is assumed sinks exist for SN2, SN3,
SN4and SN6
SN5
EN2
SW2
IO
SN6
SP5
4
Resolved Supply Net
IN
SP1
SN1
EN1
SW1
IN
SN3
SN2
OUT
SP2
IO
SP3
IO
SN4
Example 6. SP1 and SP4 are connected To the same
supply driver SN4 can be resolved with
parallel Or parallel_one_hot (where the
one_hotresolution is a no-op as theres a
single root supply driver)
IN
SP4
SN5
EN2
SW2
IO
SN6
SP5