PM7347 datasheet(50/341 Pages) PMC

50 / 341 page

S/UNI®-JET Data Sheet

Released

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use

Document ID: PMC-1990267, Issue 3

Pin Name

Type

No.

Function

TDO

Output

The Test Data Output (TDO) signal carries test data out

of the S/UNI-JET 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

The Active low Test Reset (TRSTB) signal provides an

asynchronous S/UNI-JET 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: If not used, TRSTB must be connected to the

RSTB input.

BIAS

Input

H20

U17

When tied to +5V, the +5V Bias (BIAS) input is used to

bias the wells in the input and I/O pads so that the pads

can tolerate 5V on their inputs without forward biasing

internal ESD protection devices. When tied to VDD, the

inputs and bi-directional inputs will only tolerate input

levels up to VDD.

VDD[1]

VDD[2]

VDD[3]

VDD[4]

VDD[5]

VDD[6]

VDD[7]

VDD[8]

VDD[9]

VDD[10]

VDD[11]

VDD[12]

VDD[13]

VDD[14]

VDD[15]

VDD[16]

VDD[17]

VDD[18]

VDD[19]

VDD[20]

VDD[21]

VDD[22]

VDD[23]

VDD[24]

VDD[25]

VDD[26]

VDD[27]

VDD[28]

VDD[29]

VDD[30]

VDD[31]

VDD[32]

Power

B18

B19

C18

C19

D10

D14

G17

G18

H17

K17

P17

R19

R20

U11

U14

V18

V19

W18

W19

The DC Power pins should be connected to a well-

decoupled +3.3V DC supply.

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