PEB 2091
PEF 2091
Pin Descriptions
Pin No.
Pin No.
Symbol Input (I)
Function
P-LCC-44 T-QFP64
M-QFP64
Output (O)
®
2.2.2.5 IOM -2 Pins
31
53
DCL
I/O
I/O
Data clock: Clock range 512 kHz to
4096 kHz.
30
52
FSC
Frame synchronization clock: The start
of the B1-channel in time-slot 0 is
marked. FSC = (1) for one DCL-period
indicates a superframe marker. FSC =
(1) for at least two DCL-periods marks
a standard frame.
26
27
45
46
DIN
I
Data in: Input of IOM®-2 data
synchronous to DCL-clock.
Corresponds to DD (data downstream)
in LT and DU (data upstream) in
NT applications.
Data out: Output of IOM®-2 data
synchronous to DCL-clock.
Corresponds to DD (data downstream)
in NT and DU (data upstream) in
LT applications.
DOUT
O
2.2.2.6 U-Interface Pins
15
14
6
29
28
16
13
AIN
I
Differential U-Interface input: Connect
to hybrid.
BIN
I
Differential U-Interface input: Connect
to hybrid.
AOUT
BOUT
O
O
Differential U-Interface output:
Connect to hybrid.
4
Differential U-Interface output:
Connect to hybrid.
Semiconductor Group
44
Data Sheet 01.99
INFINEON [ Infineon ]
