Z51F3220 Datasheet, PDF (21/54 Pages) Zilog, Inc. – 1 green LED to indicate USB power: D5

Z51F3220 Development Kit
User Manual
14
6. If Zilog Z8051 USB OCD appears in the Device Manager (as highlighted in
Figure 11), the OCD driver software has been successfully installed.
Figure 11. Device Manager Dialog, Windows 7
UM024307-1112
Install the Z8051 OCD Software and Documentation