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Table 2. SD303/SD307 LED Indicators

LED Reference

Default

after

Reset *

Function when GREEN Function when RED Function when OFF

D1 POWER Green POWER=1, board powered

When flashing Red, indicates

the 3.3 VDC supply is

connected but the USB is not

Board not powered

D2 ENABLE Green ENABLE=1, device enabled

ENABLE=0, device powered

down

N/A

D3 SD/HD Green SD/HD=0, HD/3G mode SD/HD=1, SD mode N/A

D4 MODE Off N/A N/A No function, LED always off

D5 RSTO¯¯¯¯¯ Red RSTO¯¯¯¯¯ =1 RSTO¯¯¯¯¯ =0 N/A

D6 RSTI¯¯¯¯ Green RSTI¯¯¯¯ =1, normal operation RSTI¯¯¯¯ =0, device held in reset N/A

D7 TF1N Off

TF1N=0, SDO1¯¯¯¯¯ properly

terminated

TF1N=1, Termination Fault on

SDO1¯¯¯¯¯

Termination Fault not valid

(channel is powered down or

no input signal detected)

D8 TF1P Off

TF1P=0, SDO1 properly

terminated

TF1P=1, Termination Fault on

SDO1

Termination Fault not valid

(channel is powered down or

no input signal detected)

D9 TF0P Off

TF0P=0, SDO0 properly

terminated

TF0P=1, Termination Fault on

SDO0

Termination Fault not valid

(channel is powered down or

no input signal detected)

D10 TF0N Off

TF0N=0, SDO0¯¯¯¯¯ properly

terminated

TF0N=1, Termination Fault on

SDO0¯¯¯¯¯

Termination Fault not valid

(channel is powered down or

no input signal detected)

D11 LOS¯¯¯¯ Red

LOS¯¯¯¯ =1, signal detected at

input

LOS¯¯¯¯ =0, no input signal

detected

N/A

* Shows the default value after the board is reset (or initially powered on) with no input signal.

Table 3. SD303/SD307 Push Button Controls

Control Reference Description

S1 SAVE No function.

S2 RESET¯¯¯¯¯¯ Push to completely reset the board, device, and ALP software.

S3 ENABLE Toggles ENABLE. Push to set ENABLE=0 and power down the device. Push again to set ENABLE=1

and re-enable the device.

S4 SD/HD Toggles SD/HD. Push to set SD/HD=1 and enable SD mode. Push again to set SD/HD=0 and enable

HD/3G mode.

S5 MODE No function.

S6 RSTI¯¯¯¯ Toggles RSTI¯¯¯¯ . Push once to set RSTI¯¯¯¯ =0 and reset the device. Push again to set RSTI¯¯¯¯ =1 and return

to normal operation following the reset.

SD303/SD307 EVK User Guide 5 of 27