PEF 2055 N V2.1 Infineon Technologies, PEF 2055 N V2.1 Datasheet - Page 145

• Manufacturer Part Number: PEF 2055 N V2.1
• Description: IC INTERFACE CTRLR PCM LCC-44
• Manufacturer: Infineon Technologies
• Series: EPICr

Specifications of PEF 2055 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: PEF2055NV2.1X; PEF2055NV21XK; SP000075706

Figure 53 illustrates this behavior.
Figure 53
Write Access to the Control Memory Data and Code Fields
For reading back the CM code field, the command MACR:MOC = 111X is also used, the
value of CMC3 … 0 being don’t care. The code field value can then be read from the
lower 4 bits of MADR.
Semiconductor Group
MACR:
Up-
stream
Down-
stream
0
CFI
Frame
1
0
0
127
127
1
1
Code Field
CMC
3
...
0
Control Memory
MADR:
MD7
.
145
Data Field
.
.
.
.
.
MD0
MAAR:
U/D = 1
U/D = 0
U/D
MA6
Application Hints
.
.
.
PEB 2055
PEF 2055
.
ITD08068
. MA0