PEB22554 SIEMENS [Siemens Semiconductor Group], PEB22554 Datasheet - Page 311
PEB22554
Manufacturer Part Number
PEB22554
Description
ICs for Communications
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEB22554.pdf
(397 pages)
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Clear Channel Register (Read/Write)
Value after RESET: 00
CCB1
CCB2
CCB3
CH1…CH24…
Idle Channel Register (Read/Write)
Value after RESET: 00
ICB1
ICB2
ICB3
IC1…IC24…
Semiconductor Group
7
7
CH17
IC17
CH1
CH9
IC1
IC9
Channel Selection Bits
Idle Channel Selection Bits
These bits define the channels (time-slots) of the outgoing PCM
frame to be altered.
0… Normal operation. Bit robbing information and Zero Code
1… Clear channel mode. Contents of selected speech/data
0… Normal operation.
1… Idle channel mode. The contents of the selected channel is
CH10
CH18
IC10
IC18
CH2
IC2
H
H
, 00
, 00
Suppression (ZCS, B7 stuffing) may change contents of the
selected speech/data channel if assigned modes are enabled
via bits FMR5.EIBR and FMR0.XC1/0.
channel will not be overwritten by internal or external bit robbing
and ZCS information. Transmission of channel assigned
signaling and control of pulse density is applied by the user.
overwritten by the idle channel code defined via register IDLE.
H
H
CH11
CH19
IC11
IC19
CH3
, 00
, 00
IC3
H
H
, 00
CH12
CH20
IC12
IC20
CH4
H
IC4
311
CH13
CH21
IC13
IC21
CH5
IC5
Operational Description T1 / J1
CH14
CH22
IC14
IC22
CH6
IC6
CH15
CH23
IC15
IC23
CH7
IC7
0
0
CH16
CH24
IC16
IC24
CH8
IC8
PEB 22554
(x2F)
(x30)
(x31)
(x32)
(x33)
(x34)
09.98
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