EB-GS2985-S
Evaluation Board User Guide
52246 - 2
July 2009
7 of 25
1.5 GS2984 EQ Control I/O
A switch (SW3) and a jumper (MUTE_SEL) facilitate the manual configuration of the
GS2984 Equalizer on the EB-GS2985-S evaluation board. These are described in the
tables below.
6
DDO1_DIS
DDO1 Disable
DDO1 Mute Off
DDO1 Mute On
1
7
DATA_MUTE
Data Mute
Data Mute Off
Data Mute On
1
8
DATA/CLOCK
Data/Clock select
DDO1/DDO1
selected
RCO/RCO selected
1
Table 1-2: SW1 Positions
Switch Position
Label
Description
HIGH (1)
LOW (0)
Default
Table 1-3: VCO Frequency Select (VCO_SEL)
Position
Connection
Description
3V3 (default)
Sets correct VCO voltage for
a 3.3V power supply
2V5
Sets correct VCO voltage for
a 2.5V power supply
Table 1-4: KBB Input Select (KBB_SEL)
Position
Connection
Description
HI
KBB = VCC
LOW
KBB = GND
Not connected (default)
KBB = unconnected
