PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 49

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

Table 3
CxC1
0
0
1
1
Note: x = 1 for channel 1 or 2 for channel 2
The Synchronous Transfer Interrupt (SIN, ISTA register) can be programmed to occur at either
the beginning of a 125 s frame or at its center, depending on the channel (s) to be accessed
and the current configuration, see figure 22.
(a) CxC1, C
Figure 22
B
Semiconductor Group
P Access to B Channels (IOM
x
Channel Access
CxC0
0
1
0
1
x
C0 = 00, SLD Loop
FSC
BVS
IDP0
SLD
SIP
C R
Read
SLD
SLD
SSI
IOM
SLD
B1
Write
SLD
–
–
IOM
OUT
®
B1
-1)
B2
CxR
B CR
Read
IOM
IOM
IOM
–
B2
SIN(ST0)
49
µP
B1
BxCR
IN
Application(s)
B not switched, SLD looping
B switched to/from SLD
B switched to/from SSI
IOM looping
B2
P µ
IOM
Access
R
Functional Description
B1
ITS00864
B1
B2
IDP0