PEB22554 SIEMENS [Siemens Semiconductor Group], PEB22554 Datasheet - Page 353

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

Signaling Status Register (Read)
SIS
XDOV…
XFW…
XREP…
IVB…
RLI…
CEC…
SFS…
Semiconductor Group
7
XDOV
Transmit Data Overflow
More than 32 bytes have been written to the XFIFO.
This bit is reset by:
– a transmitter reset command XRES or
– when all bytes in the accessible half of the XFIFO have been moved
Transmit FIFO Write Enable
Data can be written to the XFIFO.
Transmission Repeat
Status indication of CMDR.XREP.
Invalid BOM Frame Received
0
1
Receive Line Inactive
Neither FLAGs as Interframe Time Fill nor frames are received via the
signaling timeslot.
Command Executing
0
1
Note: CEC will be active at most 2.5 periods of the current system
Status Freeze Signaling
0…
1…
XFW
in the inaccessible half.
freeze signaling status inactive.
freeze signaling status active.
valid BOM frame (11111111, 0xxxxxx0) received.
invalid BOM frame received.
No command is currently executed, the CMDR register can be
written to.
A command (written previously to CMDR) is currently
executed, no further command can be temporarily written in
CMDR register.
data rate.
XREP
IVB
353
RLI
Operational Description T1 / J1
CEC
SFS
0
BOM
PEB 22554
(x64)
09.98