PEF2054 SIEMENS [Siemens Semiconductor Group], PEF2054 Datasheet - Page 181

• Manufacturer Part Number: PEF2054
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

W:MAAR
W:MACR
W:MADR
W:MAAR
W:MACR
After these programming steps, the EPIC memory will have the following contents:
Figure 66
Control Memory Contents for Central D-Channel Handling
W:MADR
Semiconductor Group
Up-
stream
Down-
stream
CFI
Frame
= 1010 0100
= 1010 1011
= 0111 0101
= 0000 0010
= 1010 0100
= 0110 0000
0
0
127
127
P1, TS10
P1, TS11
P1, TS10
P1, TS11
Code Field
0 1
0
1
1
0
0
1
0
0
1
1
0
1
0
0
Control Memory
B
B
B
B
B
B
1
1
1 1
0 0 0
1 1 1 1 1 1 1
0
Data Field
1 0 1 0 1 0
0
C/I Value
C/I Value
; pointer to PCM port 2, TS8
; upstream odd TS, port 1 time slot 11
; write CM code + data fields, CM code ‘0101’
; set bits 3 … 2 to low Z and rest of time slot to high Z
; pointer to PCM port 2, TS8
; write DM CF, single channel tristate command
0
1
0
0
0
0
0
1
1
1
181
Code Field
0 0 1
0
Data Memory
Data Field
Application Hints
Bits 3, 2
Bits 5, 4
P2, TS8
P0, TS5
PEB 2055
PCM
Frame
PEF 2055
0
127
0
127
Up-
stream
Down-
stream
ITD08081