Patent ID: 8024630
Filing Date: 2011-09-20
Classification: G01R

Abstract:
1. A debugging module for connecting an IC to a JTAG debugger device, comprising: a JTAG interface; a switching unit; an earphone circuit electrically connected to the JTAG interface via the switching unit; a USB interface electrically connected to the JTAG interface; and a reset circuit electrically connected to the JTAG interface; wherein the earphone circuit and the USB interface establish a connection between the JTAG debugger device and the JTAG interface when a JTAG debugger device is connected to the earphone circuit and the USB interface, the JTAG interface includes a VDD pin, a TDI pin, a TDO pin, a TCK pin, a TMS pin, a RST pin and a TRST pin, the GND pin is electrically connected to ground, the TDI pin, TDO pin, and TCK pin are electrically connected to the earphone circuit via the switching unit, the VDD pin, TMS pin, and the RST pin are electrically connected to the USB interface, the TRST pin is electrically connected to the reset circuit.