UCS1002 EVB User Manual
Revision 1.1 (09-30-11)
5
SMSC EVB-UCS1002
PRELIMINARY - SMSC CONFIDENTIAL
1.2.3
LEDs on the EVB
shows the top of an EVB and highlights the LEDs.
LED2 - USB Activity
When lit, this yellow LED means 5V power is applied to the USB bridge IC.
LED3 - SMBus Activity
When flashing, this yellow LED indicates SMBus communication activity.
LED4 - ALERT#
When lit, this red LED indicates an alert signal is active.
LED5 - A_DET# / CHRG#
When lit, this green LED indicates a device is attached for the UCS1002.
Figure 1.4 EVB Top View - LEDs