PEF 20550 H V2.1 Infineon Technologies, PEF 20550 H V2.1 Datasheet - Page 26

• 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 5
Data Flow - B-channels, Layer-1 Control, Group Controller Signaling
Another possibility to handle the point-to-multi-point configuration between a group
controller and several line cards is a bus structure. The collision detection/resolution
function of the SACCO perfectly supports this architecture and allows the application of
balanced protocols (see figure 6).
Figure 6
Group Controller Signaling with Bus Structure for Balanced Protocols
Semiconductor Group
IOM -2
Interface
µP
R
Line Card
SACCO CH-B
C/I, Monitor
Channel
ELIC
R
Signaling
Handler
SACCO CH-A
SACCO CH-B
B Channels
ARBITER
Switching
EPIC
ELIC
Collision Input
Transmit
Receive
26
R
R
Handler
Monitor
ITS05806
Group Controller
HSCX
Board
PCM
Highway
Signaling,
Group Controller
PEB 20550
PEF 20550
ITS05807
Overview
01.96