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|
.TH MDS 10.5 UCDS
.SH NAME
mds \- kollmorgen symbolic data format
.SH DESCRIPTION
.sp
.PP
MDS is the symbolic format for the Kollmorgen Pck Division channel router.
This is an abbreviated description of the format.
.sp
.I Introduction
.PP
All MDS data is made up of integers, symbols and keywords. All coordinates
are expressed in mils, i.e., 1/1000 of an inch (just like fizz!). Coordinates
can be negative or positive and are denoted by matching parentheses of
the form (X Y). Symbols require quotes around them if
not made up of numbers, letters, $ or a _.
.sp
.I Data types
.PP
There are 15 data types identified by their reserved word. The following is
a list of valid types:
.sp
.ta 1.5i
.nf
Border Board edges and keepouts
Check Design rules to check (not required)
Design Name of the design
F2 From-to (before routing)
Fail Failed from-to (after routing)
File pointer to another file
Fix Hand routed wire
Hole Drill hole
Level Wiring surface (typically only two: COMP and PBSN)
Net Net
Panel Board of some type (optional)
Route Routed from-to with intermediate points at each bend
Term Termination site for a net (optional)
Wire Wire path
Wire_region Routing zone for layers
.fi
.Ce
.sp
.B Border id coordinates
.PP
Borders are closed loops composed by the coordinates and named by a identifier.
.sp
.B Check [rule] [-MIN: n] [-ON|-OFF]
.PP
Specifies what design rules should be checked by the
.I repair
program.
.sp
.B Design [name]
.PP
Names a design. Strictly optional.
.sp
.B F2 netname coordinates [switches]
.PP
From-tos are the principal data format of the routing system. They are
created from nets by F2gen. Intermediate points are specified by
following the coordinate by a -I or -W. Valid switches include:
.ta 0.75i,1.5i
.nf
-LEVEL: level
level name (or number)
-ORDER: cost_function
Sets cost function (see section below)
-IFL: n
number of inflection points; default 9
-MIN_FS_END:
sets minimum first and last segment length. Default = 0.
-MIN_WIRE_END:
sets only wire end segment length.
-MDR: n
manhattan distance ratio (in tenths, default 1.5 = 15)
-AXIAL | -ESCAPE | -EITHER | -DIAGONAL
Route path direction; Axial is along axes, escape indicates
diagonals on ends only.
-AWD: n
Adjacent Wire Distance
-CLW: window
-XDW: window
CLW checks for coupled length violations within window {n,l}
where n is the center to center distance and l is the length.
-XOVER: limit
Crossover limit
.fi
.sp
.B Fail netname coordinates [switches]
.PP
Fails are identical to from-tos except for be called fails.
See above list of switches.
.sp
.B File [filename] [switches]
.PP
This include the filename. The switch specifies what kind of file it is.
.sp
.B Fix sequence_no [switches] coordinates
.PP
Specifies a hand routed net. It is identical to route records (see below).
The endpoints must agree with the fail it fixes.
.sp
.B Hole code [switches] coordinates
.PP
Specifies a drilled or LASER'ed hole. The switches are:
.nf
-SIZE: n
size of n mils
-WIRED | -NOTWIRED
dictates if hole can be wired
-TOLERENCE: n
-LASED -LEVEL: n | -DRILLED
if not drilled, only one layer can be specified
.fi
.sp
.B Level level [-F2_DENSITY: n]
.PP
Specifies wiring level directly; designs are assumed to be on one level unless
otherwise told. The optional switch specifies density of routes on the layer.
.sp
.B Net [pre_switches]
or
.B Net name [pre_switches] coordinates [post_switches]
.PP
If the net name is omitted, then the switches are global. The pre_switches
include all of the from-to switches plus the following:
.nf
-LINK: n
Limit of from-tos using this node; default: 2
-FIX | -DECOMP
Fixes order in from-to list or decomposes it
-FIX_START | -NOFIX_START
-FIX_END | -NOFIX_END
Treat first or last node as if LINK: 1; default: NOFIX
-TERM_TO: pool
-TERM_END: pool
-TERM_WIRE_END: pool
-TERM_LIMIT: n
-NOTERM
Reduces link by 1. Assigns terminator from pool. Default is -NOTERM
-ORDER: cost_function
Possible cost functions are:
AIR_SL - Airline, shortest to longest
AIR_LS - Airline, longest to shortest
MAN_SL - Manhattan, shortest to longest
MAN_LS - Manhattan, longest to shortest
X_SL - X, shortest to longest
X_LS - X, longest to shortest
Y_SL - Y, shortest to longest
Y_LS - Y, longest to shortest
-BALANCE: cost_function
Possible cost functions are:
COUNT - by from-to count
AIR - by "airline distance"
MAN - by "Manhattan metric"
X - by X coordinate
Y - by Y coordinate
-SUPPLY | -SIGNAL
-SUPPLY nets are ignored; default is -SIGNAL.
.fi
.PP
The post_switches are:
.nf
-LINK: n
-FIX | -DECOMP
-TERM_TO: pool
.fi
.sp
.B Panel [name] coordinates [-DESIGN: name]
.PP
Defines a coordinate system for translated output data. Strictly optional.
.sp
.B Route [sequence_no] [switches] coordinates
.PP
If the sequence number and coordinates are
omitted, then the switches are globally applied.
Valid switches include:
.nf
-NET: name
-LEVEL: level
-W_DIA: n
Used by wire clearance checks
-CLW: window
-XDW: window
-AWD: n
Adjacent Wire Distance (default 0)
-PASS: n
Set pass number (starts at 1)
-XOVER: limit
Sets limit to wire crossovers; can be NONE, ONE or TWO.
.fi
.sp
.B Term pool coordinates
.PP
Pool together a set of coordinates of terminals given by XY coordinates.
Typically used by the TERMGEN program to assign terminators automatically.
Used by ECL freaks.
.sp
.B Wire [sequence_no] [switches] coordinates
.PP
Just like routes except ...
.sp
.B Wire_region [zone] [switches]
.PP
Specifies an XY plane where wiring can be done by the router. If the zone
is omitted then the specification is global. The switches are:
.nf
-LEVEL: level
-AWE_WE: n
Axial Wire Edge to Wire Edge distance
-AWE_HE: n
Axial Wire Edge to Hole Edge distance
-DWE_WE: n
Diagonal Wire Edge to Wire Edge distance
-DWE_HE: n
Diagonal Wire Edge to Hole Edge distance
-W_DIA: n
Wire diameter
-NSID: n
Normal/Segment Intercept Distance.
-MAX_HTURN: n
Maximum turn angle (in degrees)
-DIR: name | -DBECTORY: name
Prepend this name to map file output name.
.fi
.sp
The following is a typical map file for input to Mapgen:
.sp
.nf
.Cs
Level COMP
Level PBSN -F2_density: 50
Net -balance: air
Wire_region A -Level: COMP -Max_Hturn: 135 -NSID: 15 -W_dia: 8
Wire_region A -AWE_WE: 8 -AWE_HE: 15 -DWE_WE: 27 -DWE_HE: 8
Wire_region B -Level: PBSN -Max_Hturn: 135 -NSID: 15 -W_dia: 8
Wire_region B -AWE_WE: 8 -AWE_HE: 15 -DWE_WE: 27 -DWE_HE: 8
.Ce
.fi
|
