DS2155DK Просмотр технического описания (PDF) - Maxim Integrated

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DS2155DK

T1/E1/J1 Single-Chip Transceiver Design Kit Daughter Cards

Maxim Integrated 

DS2155DK/DS2156DK T1/E1/J1 Single-Chip Transceiver Design Kit Daughter Cards

LEVELS: SET LEVEL ON PIN (Offset = 0X0015) INITIAL VALUE = 0x6

(MSB)

(LSB)

—

—

—

—

—

BP_EN PPCTDM_EN TUSEL

NAME

—

BP_EN

PPCTDM_EN

TUSEL

POSITION

FUNCTION

LEVELS1.3 —

LEVELS1.2

LEVELS1.1

LEVELS1.0

0 = Enable IDT switches that connect the UTOPIA bus to

daughter card header

0 = Enable IDT switches that connect the TDM bus to the

daughter card header

0 = Set DS2156.TUSEL to enable TDM backplane

1 = Set DS2156.TUSEL to enable UTOPIA backplane

Note: When the UTOPIA backplane is enabled (LEVELS.TUSEL = 1) there is a possibility for contention between

the UTOPIA bus master and TSYSCLK, TSER, and RSER. To avoid this, the following switches should be opened

when the UTOPIA backplane is enabled: SWITCH1.0, SWITCH2.0, SWITCH3.0, and SWITCH4.1

DS2155/DS2156 INFORMATION

For more information about the DS2155 and DS2156, please consult the DS2155 and DS2156 data sheets

available on our website at www.maxim-ic.com/DS2155 and www.maxim-ic.comDS2156. Software downloads are

also available for this design kit.

DS2155DK/DS2156DK INFORMATION

For more information about the DS2155DK and DS2156DK, including software downloads, please consult the

DS2155DK/DS2156DK data sheet available on our website at www.maxim-ic.com/DS2155DK.

TECHNICAL SUPPORT

For additional technical support, please e-mail your questions to telecom.support@dalsemi.com.

SCHEMATICS

The DS2155DK/DS2156DK schematics are featured in the following 13 pages.

DOCUMENT REVISION HISTORY

REVISION

DATE

DESCRIPTION

032503

Initial DS2155DK/DS2156DK data sheet release.

060303

012705

Updated the Title, General Description, Features, and Basic Operation

sections; “TIM” replaced with “daughter card.”

Updated schematics (removed component values for Fuse and Sidactor; see

Component List).

110106

Updated schematics.

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Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product.

No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time.

Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

© 2006 Maxim Integrated Products

The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor.

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