November 2006

P2040B

rev 0.2

LCD Panel EMI Reduction IC

2 of 8

Notice: The information in this document is subject to change without notice.

Pin Configuration

Deviations and Modulation Rate Table

Spreading Range (+/- %)

CP0

CP1

SR0

32.5MHz

54MHz

65MHz

81MHz

Modulation Rate

0

0

0

0.56

1.05

1.00

0.98

(Fin/40) * 62.49KHz

0

0

1

1.94

1.68

1.56

1.48

(Fin/40) * 62.49KHz

0

1

0

1.36

1.05

1.00

0.92

(Fin/40) * 62.49KHz

0

1

1

1.92

1.68

1.56

1.48

(Fin/40) * 62.49KHz

1

0

0

1.24

0.81

0.66

0.40

(Fin/40) * 62.49KHz

1

0

1

1.91

1.29

1.02

0.74

(Fin/40) * 62.49KHz

1

1

0

0.91

0.45

0.34

0.05

(Fin/40) * 62.49KHz

1

1

1

1.47

0.71

0.54

0.36

(Fin/40) * 62.49KHz

Pin Description

Pin#

Pin Name

Type

Description

1

CLKIN

I

External reference frequency input. Connect to externally generated

reference signal.

2

CP0

I

Digital logic input used to select charge pump current (see Table 1). This

pin has a 100K Ohm internal pull-up resistor.

3

CP1

I

Digital logic input used to select charge pump current (see Table 1). This

pin has a 100K Ohm internal pull-up resistor.

4

P

Ground Connection. Connect to system ground.

5

SSON#

I

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.

6

ModOUT

O

Spectrum Clock output

7

SR0

I

Digital logic input used to select Spreading Range (see Table 1) This pin

has a 100K Ohm internal pull-up resistor.

8

P

Connect to +3.3V

SR0

SSON#

1

2

3

4

5

6

7

8

P2040B

CLKIN

CP0

CP1

ModOUT