ITP700 Debug Port Design Guide

R
92 ITP700 Debug Port Design Guide
* MINITEK* = ITP DPA HEADER MODEL
*
* ADDITIONAL MODELS THAT MAY BE ADDED:
* VCX16374 = TOSHIBA* VCX BUFFER/DRIVER
* qs3vh125 = QUALITY SEMICONDUCTOR* QUICKSWITCH
*
****************************************************
.SUBCKT TCKDR GNDREF DRV M2
* Declare VCX (Created on DPI/DPA)
VINIT1 VCX GNDREF DC 1.65
* Load Elements
L2 DRV M1 100Nh
C13 M1 TCKN1 100pF
R16 TCKN1 GNDREF 10
R13 M1 EVCCQS 17.4
*
* The following is a generalization of the qs3vh125.
* A true spice model of the quickswitch may be
* added between pins VCX and EVCCQS.
* Be sure to remove the following generalization
* if the true spice model is used.
***************************************************
* Path from VCX to EVCCQS through quickswitch
* QSOP Pin Model
X1 EVCCQS INT1 GNDREF QSOP
* Quickswitch Internal Resistance
RQS INT1 INT2 4
* QSOP Pin Model