Datasheet > AN-2070

AN-2070

更新时间： 2022-10-09 17:23:38

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
10页	2436K
描述
AVS Adaptor Board for USB AVS System Mainboards

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AN-2070 数据手册

National Semiconductor

Application Note 2070

Michael Drake

AVS Adaptor Board for USB

AVS System Mainboards

August 4, 2010

signals from the system mainboard and/or bench equipment

to the DUT. The only active circuitry on the board is a low-

power LDO which can be used to provide the PWI/SPMI I/O

signaling voltage. Because of the flexibility designed into the

board, the user must be very careful with the jumper set-up

of the board stack to ensure no damage is done to any of the

circuitry. While it would be impossible to cover all combina-

tions of board stacks, great effort will be taken to provide a

method/procedure to ensure that the boards can be config-

ured without damaging anything.

AVS Adaptor Board for USB AVS

System Mainboards

The AVS Adaptor Board (AAB) is not intended for standalone

use, but rather to enable interconnect of non-PEK/SPEK foot-

print daughterboards to National’s PowerWise/SPMI System

Mainboards. The AAB provides a means to plug in National

evaluation boards with the modified DOSA style connector,

the proprietary MAK style connector, or the standard 1x9 SIP

interface. The AAB provides various power supply options for

bench evaluation, and several jumper options to support the

desired setup.

Evaluation Board Overview

The AAB is, for the most part, a passive board. The vast ma-

jority of its functionality is to appropriately route power and

30127001

FIGURE 1. AVS Adaptor Board

301270

www.national.com

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