User's Manual

Hardware Development Guide of Module Product
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ZM8620_V2
Figure 9–2 Debugging Board
Note: 1 – UIM card console; 2 –JTAG downloading interface; 3- DC power interface; 4 – USB interface; 5 – LED indicator; 6
- PON_RESET_N button (module resetting); 7 –W_DISABLE_N button (RF switch)
9.2 Interfaces on Debugging Board
9.2.1 JTAG Interface
The JTAG interface can be used to download and debug the firmware program. This interface is reserved
in the module of ZM8620_V2.
9.2.2 USB Interface
The USB2.0 interface on the debugging board is connected to the PCI-E interface on ZM8620_V2.
9.2.3 Power-supply Interface
The USB interface as illustrated in Figure 9-2 supplies power, provides the 3.3V power to the module
after LDO conversion, and directly supplies the 3.3V power to the module by the power socket on the
board.
Module
ZM8620_V2
1
2
3
4
5
6
7