PEF 20550 H V2.1 Infineon Technologies, PEF 20550 H V2.1 Datasheet - Page 293

• 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

W:MAAR
W:MACR
W:MADR
W:MAAR
W:MACR
W:MADR
W:MAAR
W:MACR
W:MADR
W:MAAR
W:MACR
Example
In CFI mode 0, timeslots 2 and 3 of port 0 shall be initialized for 6 bit signaling channel
handling:
W:MADR
Semiconductor Group
= 0100 0111
= 0000 1000
= 0111 1010
= XXXX XXXX
= 0000 1001
= 0111 1011
= 1101 1111
= 1000 1000
= 0111 1010
= 1101 1111
= 1000 1001
= 0111 1010
B
B
B
B
B
B
B
B
B
B
B
B
; SIG value ‘010001’
; downstream even TS, port 0 timeslot 2
; write CM code + data fields, CM code ‘1010’
; don’t care
; downstream odd TS, port 0 timeslot 3
; write CM code + data fields, CM code ‘1011’
; expected SIG value ‘110111’
; upstream even TS, port 0 timeslot 2
; write CM code + data fields, CM code ‘1010’
; expected SIG value ‘110111’
; upstream odd TS, port 0 timeslot 3
; write CM code + data fields, CM code ‘1010’
293
Application Hints
PEB 20550
PEF 20550
01.96