PEF 20550 H V2.1 Infineon Technologies, PEF 20550 H V2.1 Datasheet - Page 252

• Manufacturer Part Number: PEF 20550 H V2.1
• Description: IC INTERFACE CTRLR PCM MQFP80
• Manufacturer: Infineon Technologies
• Series: ELIC®r

Specifications of PEF 20550 H V2.1

• Function: Line Card Controller
• Interface: ISDN, PCM
• Number Of Circuits: 1
• Voltage - Supply: 5V
• Current - Supply: 15mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-SQFP
• Includes: Change Detection, Power-Up Reset Generation
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Other names: PEF20550HV2.1XT; PEF20550HV21XP; SP000007794; SP000007795

Figure 88 illustrates this behavior.
Figure 88
Access to the Control Memory Data Field
Semiconductor Group
MAAR:
Up-
stream
Down-
stream
U/D
CFI
Frame
MA6
0
127
0
127
.
.
.
.
.
U/D = 1
U/D = 0
MA0
MADR:
MD7
.
Control Memory
252
Data Field
.
.
.
.
.
MD0
MACR:
RWS
1
Application Hints
0 0 1
PEB 20550
PEF 20550
0
ITD08067
0
0
01.96