PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 192

• Manufacturer Part Number: PEB2085
• Description: ISDN SubscribernAccess Controller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

3.6
During initialization a subset of registers have to be programmed to set the configuration
parameters according to the application and desired features. They are listed in table 19.
Table 19
Register (address)
ADF2
SPCR
(Note)
SQXR
Semiconductor Group
Initialization
(39
(30
(3B
H
H
H
)
)
)
Bit
IMS
D2C2-0
D1C2-0
ODS
SPU
SAC
SPM
TLP
C2C1-0
C1C1-0
IDC
CFS
Effect
Program IOM-1 or IOM-2
interface mode
Polarity of SDS2
Polarity of SDS1
IOM output driver
tri-state/open drain
Set the ISAC-S in standby by
requesting clocks (if CFS =
1, register ADF1/SQXR)
SLD port inactive/active
0 Timing mode 0
1 Timing mode 1
0 Terminal timing mode
1 Non-terminal timing mode
IOM interface test loop
B-channel switching or
B/IC channel connect
IOM Data Port IDP0,
1 direction control (must be
set to "0" for normal
operation)
0 Permanent standby
1 Power-down state
0 S interface point-to-point
1 S-bus configuration
enabled
192
Application
TE
TE/NT
LT-S/LT-T
only
TE
LT-S/LT-T
TE
LT-S/NT
Operational Description
Restricted to
IOM-2
IOM-2
IOM-2
IOM-1
IOM-1
IOM-2
IOM-1
IOM-2
IOM-2
IOM-2