November 2006
rev 0.2
Pin Configuration
CLKIN
CP0
CP1
V
SS
1
2
3
4
8
7
6
5
V
DD
SR0
ModOUT
SSON#
P2040B
P2040B
Deviations and Modulation Rate Table
CP0
0
0
0
0
1
1
1
1
CP1
0
0
1
1
0
0
1
1
SR0
0
1
0
1
0
1
0
1
Spreading Range (+/- %)
32.5MHz
0.56
1.94
1.36
1.92
1.24
1.91
0.91
1.47
54MHz
1.05
1.68
1.05
1.68
0.81
1.29
0.45
0.71
65MHz
1.00
1.56
1.00
1.56
0.66
1.02
0.34
0.54
81MHz
0.98
1.48
0.92
1.48
0.40
0.74
0.05
0.36
Modulation Rate
(Fin/40) * 62.49KHz
(Fin/40) * 62.49KHz
(Fin/40) * 62.49KHz
(Fin/40) * 62.49KHz
(Fin/40) * 62.49KHz
(Fin/40) * 62.49KHz
(Fin/40) * 62.49KHz
(Fin/40) * 62.49KHz
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin Name
CLKIN
CP0
CP1
V
SS
SSON#
ModOUT
SR0
V
DD
Type
I
I
I
P
I
O
I
P
Description
External reference frequency input. Connect to externally generated
reference signal.
Digital logic input used to select charge pump current (see Table 1). This
pin has a 100K Ohm internal pull-up resistor.
Digital logic input used to select charge pump current (see Table 1). This
pin has a 100K Ohm internal pull-up resistor.
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 a 100K Ohm
internal pull-low resistor.
Spectrum Clock output
Digital logic input used to select Spreading Range (see Table 1) This pin
has a 100K Ohm internal pull-up resistor.
Connect to +3.3V
LCD Panel EMI Reduction IC
Notice: The information in this document is subject to change without notice.
2 of 8
PULSECORE [ PulseCore Semiconductor ]
