XRT83VSH314 查看數據表（PDF） - Exar Corporation

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XRT83VSH314

14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT

Exar Corporation 

REV. 1.0.1

JTAG SECTION

NAME

PIN

ATP_TIP

D21

ATP_RING

K21

TMS

E4

TCK

B1

TDI

A1

TDO

D3

XRT83VSH314

14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT

TYPE

I/O

I

I

I

O

DESCRIPTION

Analog Test Pin_TIP

Analog Test Pin_RING

These pins are used to check continuity of the Transmit and Receive TIP and

RING connections on the assembled board.

NOTE: See “Section 5.7, Analog Board Continuity Check” on page 39

for more detailed description.

Test Mode Select

This pin is used as the input mode select for the boundary scan chain.

NOTE: Internally pulled "High" with a 50KΩ resistor.

Test Clock Input

This pin is used as the input clock source for the boundary scan chain.

NOTE: Internally pulled "High" with a 50KΩ resistor.

Test Data In

This pin is used as the input data pin for the boundary scan chain.

NOTE: Internally pulled "High" with a 50KΩ resistor.

Test Data Out

This pin is used as the output data pin for the boundary scan chain.

12

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