PEF 2054 N V2.1 Infineon Technologies, PEF 2054 N V2.1 Datasheet - Page 146

• Manufacturer Part Number: PEF 2054 N V2.1
• Description: IC INTERFACE CTRLR PCM LCC-44
• Manufacturer: Infineon Technologies
• Series: EPICr

Specifications of PEF 2054 N V2.1

• Function: PCM Interface Controller
• Interface: ISDN, PCM
• Number Of Circuits: 1
• Voltage - Supply: 5V
• Current - Supply: 9.5mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC
• Includes: Board Controller, Channel Switching
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Other names: PEF2054NV2.1XT; PEF2054NV21XK; SP000057916; SP000075438

The Procedure for Reading the CM Code is
W:MAAR
W:MACR
wait for STAR:MAC = 0
R:MADR =
CMC3 … 0: CM code, refer to table 24
Figure 54 illustrates this behavior.
Figure 54
Read Access to the Control Memory Code Field
Semiconductor Group
MACR:
1
1
= CFI time slot address encoded according to figure 48
= 1111 XXXX
bit 7
1
1
X
X X
X
X
X
Up-
stream
B
Down-
stream
MADR:
CFI
Frame
X
X
0
0
127
127
X
X X
146
MD3
Control Memory
X
Code Field
MD2
MD1
CMC3
MD0 MAAR:
CMC2
U/D = 1
U/D = 0
U/D
MA6
Application Hints
.
CMC1
.
.
PEB 2055
PEF 2055
.
bit 0
ITD08069
. MA0
CMC0