Datasheet > ASM3P2814A

ASM3P2814A

更新时间： 2024-01-26 10:03:25

品牌	Logo	应用领域
PULSECORE		/
页数	文件大小	规格书
11页	445K
描述
Low Power EMI Reduction IC

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中文翻译

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数据手册

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ASM3P2814A 数据手册

ASM3P2811A/B

ASM3P2812A/B

ASM3P2814A/B

November 2006

rev 1.5

Block Diagram

VDD

D_C SRS FRS

Modulation

PLL

XIN

Crystal

Frequency

Divider

Oscillator

Output

Divider

Phase

Loop

Filter

VCO

Detector

XOUT

Feedback

Divide

ModOUT

VSS

Pin Configuration

XIN

VSS

D_C

SRS

XOUT

VDD

P2811A/B

P2812A/B

P2814A/B

FRS

ModOUT

Pin Description

Pin#

Pin Name

Type

Description

Crystal connection or external frequency input. This pin has dual functions. It can

be connected to either an external crystal or an external reference clock.

XIN

VSS

Ground to entire chip.

Digital logic input used to select Down (LOW) or Center (HIGH) spread options.

(Refer Output Frequency Deviation and Spread Option Selection Table).

This pin has an internal pull-up resistor.

Spread range select. Digital logic input used to select frequency deviation

(Refer Output Frequency Deviation and Spread Option Selection Table).

This pin has an internal pull-up resistor.

D_C

SRS

ModOUT

FRS

Spread spectrum clock output

Frequency range select. Digital logic input used to select Input frequency range

(Refer Input/Output Frequency Range Selection Table).

This pin has an internal pull-up resistor.

VDD

Power supply for the entire chip.

Crystal connection. Output connection for an external crystal. If using an external

reference, this pin must be left unconnected.

XOUT

Low Power EMI Reduction IC

2 of 11

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

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