PM7344 datasheet(53/293 Pages) PMC

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PM7344 S/UNI-MPH

DATA SHEET

PMC-950449

ISSUE 6

MULTI-PHY USER NETWORK INTERFACE

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

Pin Name

Type

No.

Function

TCK

Input

103

Test Clock (TCK). This signal provides timing for

test operations that can be carried out using the

IEEE P1149.1 test access port.

TMS

Input

104

Test Mode Select (TMS). This signal controls the

test operations that can be carried out using the

IEEE P1149.1 test access port. TMS is sampled

on the rising edge of TCK. TMS has an integral

pull up resistor.

TDI

Input

102

Test Data Input (TDI). This signal carries test

data into the S/UNI-MPH via the IEEE P1149.1

test access port. TDI is sampled on the rising

edge of TCK. TDI has an integral pull up

resistor.

TDO

Tristate

Output

101

Test Data Output (TDO). This signal carries test

data out of the S/UNI-MPH via the IEEE

P1149.1 test access port. TDO is updated on

the falling edge of TCK. TDO is a tri-state

output which is inactive except when scanning

of data is in progress.

TRSTB

Input

105

Active low Test Reset (TRSTB). This signal

provides an asynchronous S/UNI-MPH test

access port reset via the IEEE P1149.1 test

access port. TRSTB is a Schmitt triggered input

with an integral pull up resistor. TRSTB must be

asserted during the power up sequence.

Note that if not used, TRSTB must be

connected to the RSTB input.

VDD_AC[2]

VDD_AC[1]

VDD_AC[0]

Power

Pad Ring Power (VDD_AC[2:0]). These pins

should be connected to a well decoupled +5 V

DC in common with VDD_DC[3:0]

VDD_DC[3]

VDD_DC[2]

VDD_DC[1]

VDD_DC[0]

Power

116

DC Power (VDD_DC[3:0]). These pins should

be connected to a well decoupled +5 V DC in

common with VDD_AC[2:0].

VSS_AC[2]

VSS_AC[1]

VSS_AC[0]

Ground

Pad Ring Ground (VSS_AC[2:0]). These pins

should be connected to GND in common with

VSS_DC[3:0].

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