PEB2465 SIEMENS [Siemens Semiconductor Group], PEB2465 Datasheet - Page 42
PEB2465
Manufacturer Part Number
PEB2465
Description
Four Channel Codec Filter
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PEB2465.pdf
(88 pages)
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PEB 2465
SLIC Interface
As the C/I-channel holds only 6 bits for two voice channels and the SICOFI-4 has up to
five indication pins per voice channel, only pins SI1_1 and SI1_2 for voice channel 1,
and pins SI2_1 and SI2_2 for voice channel 2 are fed directly to the C/I-channel. Any
change at one of the other indication pins (SIx_0, SBx_0 and SBx_1) will generate an
interrupt per channel, which is transmitted upstream immediately (C/I-channel bits 2
and 5). Data on those pins is fed to register XR1 and can be evaluated with a XOP-read
command.
Figure 11
There was a functional connection between two neighboring channels sharing the same
C/I-channel of an IOM-2 interface in V1.*. When an interrupt occurred in the C/I-channel,
changes on all signaling input pins of this channel and of the neighboring channel were
ignored, until the interrupt was cleared.
In Version V2.* this functional connection no longer exists. If an interrupt occurs in
one channel, changes in the neighboring channel will also generate an interrupt.
Semiconductor Group
42
02.97