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Man Pages


Manual Reference Pages  -  SCAPIN (1)

NAME

scapin - Scan path insertion
 

[Include document man1/alc_origin.1]

CONTENTS

Synopsis
Description
Environment Variables
Options
See Also

SYNOPSIS

scapin [-VRB] [-P file] Input_name Path_name Output_name
 

DESCRIPTION

SCAPIN is an automatic scan path generator for gate level netlists. SCAPIN inserts a scan path in the netlist Input_name and drives a new netlist Output_name. This scan path contains all registers specified in the file Path_name.path (see below for the exact syntax). SCAPIN adds also 3 new connectors in the netlist: scan_in, scan_out and scan_test in order to control the scan path. Eventually SCAPIN adds an output buffer before the output connector scan_out (option -B).

ENVIRONMENT VARIABLES

MBK_WORK_LIB(1)
  indicates the path to the read/write directory for the session.
MBK_IN_LO(1)
  indicates the input netlist file format.
MBK_OUT_LO(1)
  indicates the output netlist file format.
SCAPIN_PARAM_NAME
  indicates the location of a parameter file (with extention .scapin) containing the properties (ports name, models name etc ...) of all cells needed for the scan path insertion. (see below for the exact syntax)

OPTIONS

-V Sets verbose mode on. Each step is displayed on the standard output.
-R All registers of the scan path are replaced by an equivalent scannable register cell (called reg-mux). (With the default option a simple multiplexor is added just before all registers of the scan path).
-B Adds an output buffer before the output connector scan_out.
-P file Specifies a parameter file (with extention .scapin) containing the properties of all cells needed for the scan path insertion. (see below for the exact syntax)

# Example of .scapin file

BEGIN_MUX

MUX_MODEL mx2_x2 MUX_SEL cmd MUX_INPUT_SEL i1 MUX_INPUT_NSEL i0 MUX_VDD vdd MUX_VSS vss MUX_OUTPUT q

END_MUX

BEGIN_REG

REG_MODEL sff1_x4 REG_CLK ck REG_INPUT i REG_VDD vdd REG_VSS vss REG_OUTPUT q REG_MUX mx2_x2 REG_REG_MUX sff2_x4

END_REG

BEGIN_REG_MUX

REG_MUX_MODEL sff2_x4 REG_MUX_SEL cmd REG_MUX_INPUT_SEL i1 REG_MUX_INPUT_NSEL i0 REG_MUX_CLK ck REG_MUX_VDD vdd REG_MUX_VSS vss REG_MUX_OUTPUT q REG_MUX_MUX mx2_x2 REG_MUX_REG sff1_x4

END_REG_MUX

BEGIN_BUF

BUF_MODEL buf_x2 BUF_INPUT i BUF_VDD vdd BUF_VSS vss BUF_OUTPUT q

END_BUF

\Path_name Specifies a parameter file (with extention .path) containing an ordered list of all instances (registers) of the scan path. It contains also the name of the 3 connectors scan_in, scan_out and scan_test. (see below for the exact syntax)

# Example of .path file

BEGIN_PATH_REG

cs_0 cs_1 cs_2

END_PATH_REG

BEGIN_CONNECTOR

SCAN_IN scin SCAN_OUT scout SCAN_TEST test

END_CONNECTOR

   

SEE ALSO

MBK_IN_LO(1). MBK_OUT_LO(1). MBK_WORK_LIB(1).

[Include document man1/alc_bug_report.1]

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ASIM/LIP6 SCAPIN (1) Juin 29, 2000

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