MT9072AB 查看數據表（PDF） - Zarlink Semiconductor Inc

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MT9072AB

Octal T1/E1/J1 Framer

Zarlink Semiconductor Inc 

MT9072

Data Sheet

Channel Associated Signaling

• ABCD or AB bits can be automatically inserted and extracted

• Transmit ABCD or AB bits can be passed via the microport or via the CSTi pin

• Receive ABCD or AB bits are accessible via the microport or via the CSTo pin

• Unused nibble positions in the CSTi/CSTo bandwidth are tri-stated

• An interrupt is provided in the event of changes in any of the signaling bits

• Receive signaling bits are frozen if digital loss of signal or loss of multiframe alignment is declared

T1/J1 Mode

• Signaling bits can be debounced by 6 ms

• Robbed bit or clear channel signaling are

selected on a channel by channel basis

• Signaling interrupts period can be selected: 1,

4 or 8 msec

E1 Mode

• Signaling bits can be debounced by 14 ms

• Signaling interupt period can be selected 1, 4

or 8 msec

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Zarlink Semiconductor Inc.

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