SCANPSC110F Datasheet SCAN Bridge Hierarchical and Multidrop Addressable JTAG Port

Manufacturer: Fairchild (now onsemi)

SCANPSC110F scan bridge hierarchical and multidrop addressable jtag port by Fairchild (now onsemi) - Datasheet Preview

Datasheet Details

Part number	SCANPSC110F
Manufacturer	Fairchild (now onsemi)
File Size	273.25 KB
Description	SCAN Bridge Hierarchical and Multidrop Addressable JTAG Port
Datasheet	SCANPSC110F Datasheet

General Description

The SCANPSC110F Bridge extends the IEEE Std.

1149.1 test bus into a multidrop test bus environment.

The advantage of a hierarchical approach over a single serial scan chain is improved test throughput and the ability to remove a board from the system and retain test access to the remaining modules.

Overview

SCANPSC110F SCAN Bridge Hierarchical and Multidrop Addressable JTAG Port (IEEE1149.1 System Test Support) March 1993 Revised August 2000 SCANPSC110F SCAN Bridge Hierarchical and Multidrop Addressable JTAG Port (IEEE1149.

Key Features

s True IEEE1149.1 hierarchical and multidrop addressable capability s The 6 slot inputs support up to 59 unique addresses, a Broadcast Address, and 4 Multi-cast Group Addresses s 3 IEEE 1149.1-compatible configurable local scan ports s Mode Register allows local TAPs to be bypassed, selected for insertion into the scan chain individually, or serially in groups of two or three s 32-bit TCK counter s 16-bit LFSR Signature Compactor s L4 s local TAPs can be 3-stated via the OE input to allow an alt.

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