I2041AF-08SR 查看數據表（PDF） - PulseCore Semiconductor

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I2041AF-08SR

Versatile EMI Reduction IC

PulseCore Semiconductor 

November 2006

rev 0.2

Pin Configuration

P2041A

XIN/CLK 11

XOUT 22

SR1 33

VSS 44

88 VDD

P20401CA

77 SR0

66 ModOUT

55 SSON

Pin Description

Pin#

1

2

3

4

5

6

7

8

Pin Name

XIN/CLK

XOUT

SR1

VSS

SSON

ModOUT

SR0

VDD

Type

I

I

I

P

I

O

I

P

Description

Connect to crystal or externally generated clock signal.

Connect to crystal. No connect if externally generated clock signal is used.

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

This pin has an 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 an internal pull-low resistor.

Spread Spectrum Clock Output.

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

This pin has an internal pull-up resistor.

Connect to +3.3V or +5.0V

Spread Range Selection

SR1

0

0

1

1

SR0

0

1

0

1

Spreading Range

+/- 1.50%

+/- 2.50%

+/- 0.50%

+/- 1.00%

Modulation rate

(Fin/40)*34.72 KHz

(Fin/40)*34.72 KHz

(Fin/40)*34.72 KHz

(Fin/40)*34.72 KHz

Versatile EMI Reduction IC

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

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