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DS26900 - JTAG Multiplexer/Switch

Description

The DS26900 is a JTAG signal multiplexer providing connectivity between one of three master ports and up to 18 (36 in cascade configuration) secondary ports.

The device is fully configurable from any one of the three master ports.

Features

  • es Efficient Solution for Star Architecture JTAG Provides Transparent Communications Between the Arbitrated Master and a Selected Secondary Port Single-Package Solution Provides 18 Secondary Ports Two-Package Cascade Configuration Provides 36 Secondary Ports Three Arbitrated Master Ports Autodetection of Port Presence Internal Pullup/Down Resistors Two 32-Bit Scratchpad Registers Four GPIO Pins for Read/Write Control and Signaling.

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Datasheet preview – DS26900

Datasheet Details

Part number DS26900
Manufacturer Maxim Integrated Products
File Size 469.63 KB
Description JTAG Multiplexer/Switch
Datasheet download datasheet DS26900 Datasheet
Additional preview pages of the DS26900 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com Rev: 072707 DS26900 JTAG Multiplexer/Switch General Description The DS26900 is a JTAG signal multiplexer providing connectivity between one of three master ports and up to 18 (36 in cascade configuration) secondary ports. The device is fully configurable from any one of the three master ports. The DS26900 can automatically detect the presence JTAG devices on the secondary ports. The DS26900 can be used in multiple configurations including as a single device, two cascaded devices, or two redundant devices. All device control and configuration is accomplished through standard JTAG operations via the selected master port.
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