PEB22554 SIEMENS [Siemens Semiconductor Group], PEB22554 Datasheet - Page 314

• Manufacturer Part Number: PEB22554
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

DCOC
JATT…RL...
DRS…
Pulse Count Detection Register (Read/Write)
Value after RESET: 00
PCD
PCD7…PCD0… Pulse Count Detection
Semiconductor Group
7
PCD7
DCO-R Control
0…
1…
Transmit Jitter Attenuator / Remote Loop
00 = Normal operation. The transmit jitter attenuator is disabled.
01 = Remote Loop active without transmit jitter attenuator enabled.
10 = not assigned
11 = Remote Loop and jitter attenuator active. Received data from
A LOS alarm (red alarm) will be detected if the incoming data stream
has no transitions for a programmable number T consecutive pulse
positions. The number T is programmable via the PCD register and
can be calculated as follows:
T= 16(N+1) ; with 0 =< N =< 255.
The maximum time is: 256
pulse will reset the internal pulse counter. The counter will be clocked
with the receive clock RCLK.
0 =
1 =
Dual Rail Select
H
The ternary interface is selected. Multifunction ports RL1/2 and
The digital dual rail interface is selected. Received data is
1.544 MHz reference clock for the DCO-R circuitry provided on
pin SYNC.
2.048 MHz reference clock for the DCO-R circuitry provided on
pin SYNC.
Transmit data will bypass the buffer.
Transmit data will bypass the buffer.
pins RL1/2 or RDIP/N or ROID will be sent jitter free on ports
XL1/2 or XDOP/N or XOID. The dejittered clock is generated by
the DCO-X circuitry.
XL1/2 become analog in/outputs.
latched on multifunction ports RDIP/RDIN while transmit data is
output on pins XDOP/XDON.
314
16
648 ns = 2.65 ms. Every detected
Operational Description T1 / J1
0
PCD0
PEB 22554
(x38)
09.98