1.4.1. The Multi-ICE interface unit

The Multi-ICE interface unit provides the hardware to allow a Windows workstation to control multiple JTAG capable devices. The unit is shown in Figure 1.1. The unit has a parallel port at one end, and a 20-pin JTAG connector and external power input at the other. A cable is supplied to connect the interface unit to the workstation parallel port.

Figure 1.1. The Multi-ICE interface unit

The interface unit gives the Windows workstation direct control of basic JTAG operations. This means new debugging features and support for new processors can be added with software updates.

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