APPARATUS FOR DOWNLOADING PROGRAM FOR CELLULAR PHONE

摘要

PURPOSE: An apparatus for downloading a program for a cellular phone is provided to simply correct the program of the cellular phone and save a management cost by reloading an incorrect program using a jig for a JTAG(Joint Test Action Group) connection irrespective of a model of the cellular phone when a part of program of a boot region is broken. CONSTITUTION: A computer(1) provides an application for downloading a program. A computer applicator(2) executes the application for downloading a specific program. The computer applicator(2) and a telephone body(3) are connected by a JTAG jig(4). A system board has an MSM3000 chip, an ICA concent, and a 3V regulator for providing a uniform voltage to the MSM3000 chip. A logic gate transmits a JTAG related signal of the MSM3000 chip to the ICA concent by a signal(TMODE) for being entered to a JTAG mode.