peb22504 Infineon Technologies Corporation, peb22504 Datasheet - Page 23

• Manufacturer Part Number: peb22504
• Description: Quad Line Interface Unit For E1dt1dj1 Quadliu
• Manufacturer: Infineon Technologies Corporation

Table 2
Pin No.
5, 21, 55, 71
6, 20, 56, 70
1, 25, 51, 75
3, 23, 53, 73
Data Sheet
Signal Pin Functions
Signal
RL1(1:4)
ROID(1:4)
RL2(1:4)
XL1(1:4)
XOID(1:4)
XL2 (1:4)
Input (I)
Output (O)
Supply (S)
I (analog)
I
I (analog)
O (analog)
O
O (analog)
23
Function
Line Receiver 1
(LIM1.ECMIR = 0, default)
Analog input from the external transformer
(receive bipolar ring).
Receive Optical Interface Data
(LIM1.ECMIR = 1)
CMI data received from fiber-optical
interface with 2048 (E1)/ 1544 kbit/s (T1/
J1). An internal DPLL extracts the receive
route clock from the incoming data pulse.
The duty cycle of the receiving signal has to
be closely to 50 %. RL2 has to be
connected to V
Line Receiver 2
(LIM1.ECMIR = 0, default)
Analog input from the external transformer
(receive bipolar tip).
Transmit Line 1 (transmit bipolar ring)
(LIM1.ECMIX = 0, default)
Analog output to the external transformer.
(LIM1.ECMIX = 1)
Single-ail CMI output
Transmit Line 2 (transmit bipolar tip)
(LIM1.ECMIX = 0, default)
Analog output to the external transformer.
If single-rail CMI output is selected
(LIM1.ECMIX = 1), this pis is undefined
and has to be left open.
SS
or V
DD
.
Pin Descriptions
QuadLIU V1.1
PEB 22504
2001-02