CXB1581Q Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXB1581Q

Fibre Channel Transmitter

Sony Semiconductor 

CXB1581Q

Pin

No.

Symbol

Type

Typical pin

I/O voltage

Equivalent circuit

VCCG

38 TPGEN

TTL

input

TTL level

TPGEN

VEET

Description

Test pattern

generation control.

Inputting high level

to this pin generates

positive or alternating

disparity K28.5 (one

of the 8B10B

conversion codes) as

the serial transfer

VEET data.

VCCG

39 ALTSEL∗

TTL

input

TTL level

ALTSEL∗

40,

41

NC

Open

VEET

VCCG

42

ECLKSEL∗

TTL

input

TTL high

level or 3.3V

ECLKSEL∗

VEET

Alternating disparity

selection. The test

pattern generated

when TPGEN is set

to high level

becomes alternating

disparity K28.5 if this

pin is set to low level,

and positive disparity

K28.5 if this pin is set

VEET to high level.

No connection.

External clock

selection. When this

pin is set to low level,

the clock input to

EXCLK is used as

the transmission bit

clock.

VEET

VCCG

43

TCLKSEL∗

TTL

input

TTL high

level or 3.3V

TCLKSEL∗

VEET

–7–

Transmission bit

clock output

selection. When this

pin is set to low level,

the transmission bit

clock is output from

PSOUT. (See Table

1.)

VEET

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