PEF 20550 H V2.1 Infineon Technologies, PEF 20550 H V2.1 Datasheet - Page 255
PEF 20550 H V2.1
Manufacturer Part Number
PEF 20550 H V2.1
Description
IC INTERFACE CTRLR PCM MQFP80
Manufacturer
Infineon Technologies
Series
ELIC®r
Datasheet
1.PEF_20550_H_V2.1.pdf
(407 pages)
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
PEF20550HV21XP
SP000007794
SP000007795
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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 40
Figure 90 illustrates this behavior.
Figure 90
Read Access to the Control Memory Code Field
Semiconductor Group
MACR:
1
1
= CFI timeslot address encoded according to figure 84
= 1111 XXXX
1
bit 7
1
X
X X
X
X
Up-
stream
X
Down-
stream
B
MADR:
CFI
Frame
X
X
0
127
0
127
X
X X
255
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 20550
PEF 20550
.
ITD08069
bit 0
. MA0
CMC0
01.96
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