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PEB2055 Datasheet(PDF) 54 Page - Infineon Technologies AG

Part # PEB2055
Description  ICs for Communications Extended PCM Interface Controller
PDF  269 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

PEB2055 Datasheet(HTML) 54 Page - Infineon Technologies AG

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PEB 2055
PEF 2055
Detailed Register Description
Semiconductor Group
54
CMD1..0
CFI Mode1,0.
Defines the actual number and configuration of the CFI ports.
where N = number of time slots in a PCM frame
CIS1..0
CFI Alternative Input Selection.
In CFI mode 1 and 2 CIS1..0 controls the assignment between logical and
physical receive pins. In CFI mode 0 and 3 CIS1,0 should be set to 0.
CMD1..0 CFI
Mode
Number
of
Logical
Ports
CFI Data Rate
[kbit/s]
Min. Required
CFI Data Rate
[kbit/s]
Relative to
PCM-Data Rate
Necessary
Reference
Clock (RCL)
DCL-Output
Frequencies
CMD1:CSS0 = 0
min.
max.
00
0
4 DU
(0..3)
128
2048
32N/3
2xDR
DR, 2xDR1)
01
1
2 DU
(0..1)
128
4096
64N/3
DR
DR
10
2
1 DU
128
8192
64N/3
0.5xDR
DR
11
3
8 bi (0..7) 128
1024
16N/3
4xDR
DR, 2xDR
CFI
Mode
Port 0Port 1Port 2Port 3
DU0
DD0
DU1
DD1
DU2
DD2
DU3
DD3
0
IN0
OUT0
IN1
OUT1
IN2
OUT2
IN3
OUT3
1IN0
CIS0 = 0
OUT0
IN1
CIS1 = 0
OUT1
IN0
CIS0 = 1
tristate
IN1
CIS1 = 1
tristate
2IN
CIS0 = 0
OUT
not active tristate
IN
CIS0 = 1
tristate
not active tristate
3
I/O4
I/O0
I/O5
I/O1
I/O6
I/O2
I/O7
I/O3



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