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T7121

Agere Systems
Part Number T7121
Manufacturer Agere Systems
Description T7121 HDLC Interface
Published Oct 8, 2006
Detailed Description com Data Sheet April 1997 T7121 HDLC Interface for ISDN (HIFI-64) Features s Description Low-cost de...
Datasheet PDF File T7121 PDF File

T7121
T7121


Overview
com Data Sheet April 1997 T7121 HDLC Interface for ISDN (HIFI-64) Features s Description Low-cost device for B-channel (64 kbits/s) or D-channel (16 kbits/s) data transport.
s s s s s s s s The T7121 HDLC Interface for ISDN (HIFI-64) connects serial communications links carrying HDLC bitsynchronous data frames to 8-bit microcomputer sysOptional transparent modeā€”no HDLC framing is tems.
There is an optional transparent mode of operperformed.
ation in which no HDLC processing is performed on Frame sync (FS) allows a slot-select feature to user data.
The device communicates with the system microprocessor as a memory-mapped peripheral and access an individual time slot...



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