PEB2465 SIEMENS [Siemens Semiconductor Group], PEB2465 Datasheet - Page 22

• Manufacturer Part Number: PEB2465
• Description: Four Channel Codec Filter
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
3.1
The 8-bit Monitor bytes have to be interpreted as either commands or status information
stored in Configuration Registers or the Coefficient Ram. There are three different types
of SICOFI-4 commands which are selected by bit 3 and 4 as shown below.
SOP
Bit
XOP
Bit
COP
Bit
3.2
4 configuration registers per channel: CR1, CR2, CR3, CR4 accessed by SOP
4 common configuration registers:
1 Coefficient RAM per channel:
7
7
7
Types of Monitor Bytes
Storage of Programming Information
X
STATUS OPERATION:
EXTENDED OPERATION:
COEFFICIENT OPERATION:
6
6
6
5
5
5
4
4
4
commands
XR1, XR2, XR3 and XR4 accessed by XOP
commands (the contents are valid for two voice
channels i.e. 1 IOM-2 timeslot)
CRAM accessed by COP commands
1
1
0
22
3
3
3
SICOFI-4 status setting/monitoring
C/I channel configuration/evaluation
filter coefficient setting/monitoring
0
1
2
2
2
Programming the SICOFI
1
1
1
PEB 2465
0
0
0
02.97
®
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