DS2148 データシートの表示（PDF） - Maxim Integrated

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DS2148

5V E1/T1/J1 Line Interface Unit

Maxim Integrated 

Figure 1-3. Transmit Logic

CCR1.6

CCR3.3 CCR3.4

DS2148/DS21Q48

To

Remote

Loopback

CCR3.1

OR

Gate

1

BPV

mux

Insert

CCR2.2

B8ZS/

HDB3

Coder

CCR3.0

Logic

Error

Insert

PRBS Generator

mux

Loop Code Generator

OR

Gate

Routed to

All Blocks

0

0

mux

RCLK

1

CCR1.1

0

mux

1

OR

Gate

AND

Gate

CCR1.2

CCR1.0

JACLK

(derived

from

MCLK)

Loss Of Transmit

Clock Detect

To LOTC Output Pin

SR.5

Clock

Invert

CCR2.1

tx bd

TPOS

TNEG

TCLK

9 of 73

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