Maxim Integrated │ 9

DS3900H2

www.maximintegrated.com

USB HID Communications Module for

Evaluation Kits

Figure 6. DS3900H2 Dimensions

Note: The IC mates with standard 2.54mm (0.100in) 2 x 8 male header connectors. These connectors do not come standard with

the board.

Table 3. Description of LEDs

TOP

FRONT

SIDE

0.57in

0.400in

0.335in

1.22in

1.147in

0.815in

0.100in

0.025in

0.155in

0.335in

0.400in

0.57in

0.100in

1.200in

0.025in

0.305in

1.329in

1.300in

1.370in

LED

COLOR

DESCRIPTION

D1(FAULT)

Red

USB Power Fault:Afaultoccurredduetoovervoltagelimit,currentlimit,or

thermal limit.

D2 (COM)

Red

Communication:Afterthesoftwarehasinitializedthehardware,theLED

flashesredwhenacommandfromthePCisreceived.

Redandflashingorange

Waiting: Hardware is powered on and waiting for the software to be opened.