PEB2075 INFINEON [Infineon Technologies AG], PEB2075 Datasheet - Page 263

• Manufacturer Part Number: PEB2075
• Description: ICs for Communications Extended PCM Interface Controller
• Manufacturer: INFINEON [Infineon Technologies AG]

8.1.3
Figure 102
Switching of CFI Time Slots to the PCM Interface (working sheet)
Semiconductor Group
MAAR
MAAR
CSCR
MAAR
MAAR
MAAR
MAAR
MAAR
MADR
MAAR
Enable/Tristate PCM Output TS:
Writing/Reading back PCM Idle Codes and reading switched CFI Data:
Reading a CFI TS by the mP (no connection to PCM):
CFI + PCM Mode 0
CFI Port, TS
CFI Port, TS
PCM Port, TS
CFI Port, TS
PCM Port, TS
CFI Port, TS
CFI Port, TS
Switching of 8 BIt Channels:
Switching of Subchannels:
X
Switching of CFI Time Slots to the PCM Interface (data upstream)
1 .
1
1
1 .
1
1 .
1
.
3
CFI Bit Position
.
.
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.
.
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.
CFI TS
2
.
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TS
1
Port
ELIC,
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.
Loop
0
0 1
1 0
1 1
.
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R
0
EPIC
0
.
.
.
.
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.
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.
.
1
0
= 7 ... 4 or 7, 6 (default for D channel)
=
=
=
CFI Port
MADR
MAAR
R
3 ... 0 or 5, 4
7 ... 4 or 3, 2
3 ... 0 or 1, 0
Direct
MADR
MADR
MADR
0 = Tristate
1 = Driver enabled
MADR
MADR
MADR
PCM Mode 1
X .
µP Access
Select Bit Position
Value or Idle Code
TS Value (R)
PCM Port, TS
1 = Read CFI Value
0 = Write Idle Code
1
1 1 1 1
.
.
.
.
=
PCM Port, TS
PCM Port, TS
.
.
.
.
.
Read Back Idle Code
.
Data Memory
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TS
7, 6
Port
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4, 5
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3, 2
263
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Loop
1, 0
.
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.
CFI Mode 1
X
.
Enable/
Disable
MACR
MACR
MACR
MACR
MACR
MACR
MACR
.
.
Switching Command
Switching Command
Command
Disable Switching Connection
Read/Write Data Memory
Select
Read Value to CM Data
0 1 1 1 0 0 0 1
0
0
0 1 1 1
0 1 1 1
1
.
.
TS
0
0 0 1 1 =
0
0
0
0
0
1
1
1
1 0
.
.
PCM TS
.
.
.
.
.
For MADR/MAAR setings see loewr box
For MADR/MAAR setings see loewr box
For MAAR setings see lower box
For MAAR setings see lower box
P µ
0
0
1
1
1
1
1
1
1
Port
.
.
.
Access
0
0
0
0 1 =
0
0
1
1
1
1
.
.
.
0
0 0 1 0 =
0 1
0 1
0 1
0 1
0
0
0
0
1
1
1
1
.
.
0 = One TS
1 = All TS
.
=
MADR
MAAR
=
=
=
=
=
0
0
0 0 0
0
0 0
0
.
7 ... 0
7 ... 4
3 ... 0
7, 6
5, 4
3, 2
1, 0
CFI + PCM Mode 2
1
1 1 = 7, 6
1 0 =
0
0 0 =
0
0
0
.
X .
1
1
0
0
1
0
.
=
=
Desired
TS Width
and Bit
Position
7 ... 4
3 ... 0
5, 4
3, 2
1, 0
.
Neccessary only
for writing idle
codes,
connection to
PCM TS already
exists!
.
TS
Switched
TS Width
and PCM
Bit Position
.
if a
.
PEB 2055
PEF 2055
Appendix
.
ITD08111
.