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614ce7a7d8
R19 pulls VCC_PHONE low for better power on detection. but the voltage divider R20 + R21 also pull this line low using a stronger pull down resistor ok 20 kOhm. thus R19 is unnecessary- this change has been tested with a real simtrace device. trace and card emulation worked with a Nokia 3310. Change-Id: I0dd2025a8634f0ec38060cfbaae68618a4198fca
Osmocom SIMTRACE ====================================================================== (C) 2010 by Harald Welte <laforge@gnumonks.org> SIMTRACE is a program that can be used for tracing the communication betewen a phone and the SIM card. More generally, it can trace any ISO 7816 based smart card interface. This repository contains a host program 'simtrace' as well as a patch for wireshark. The corresponding device firmware can be found in the openpcd.git repository on git.gnumonks.org.