October 2003
rev E
P2160
Pin Configuration
Pin Description
Pin#
Pin Name
Type
Description
External reference frequency input. Connect to externally generated
reference signal. Select appropriate frequency range for the intended input
frequency (see Table ‘Modulation Selection’)
1
CLKIN
I
Digital logic input used to select Frequency Range (see Table 1). This pin
has an internal pull-up resistor.
2
FSO
I
Digital logic input used to select Modulation Rate (see Table 1). This pin
3
4
MRA
VSS
I
has an internal pull-up resistor.
P
Ground Connection. Connect to system ground.
Digital logic input used to enable Spread Spectrum function (Active Low).
Spread Spectrum function enable when low. This pin has an internal pull-
low resistor.
5
SSON#
I
6
7
8
ModOUT
SRO
O
I
Spread Spectrum Clock Output.
Digital logic input used to select Spreading Range (see Table 1). This pin
has an internal pull-up resistor.
VDD
P
Connect to +3.3V
High Frequency LCD Panel EMI Reduction IC
2 of 9
Notice: The information in this document is subject to change without notice.
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
