PEB20320H-V34 Infineon Technologies, PEB20320H-V34 Datasheet - Page 196
PEB20320H-V34
Manufacturer Part Number
PEB20320H-V34
Description
IC CONTROLR 32-CH HDLC 160-MQFP
Manufacturer
Infineon Technologies
Datasheet
1.PEB20320H-V34.pdf
(252 pages)
Specifications of PEB20320H-V34
Function
Multichannel Network Interface Controller (MUNICH)
Interface
HDLC, V.110, X.30
Voltage - Supply
5V
Current - Supply
100mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
160-BSQFP
Includes
Automatic Flag Detection, CRC Generation and Checking, Error Detection, Interframe-Time-Fill Change Detection
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power (watts)
-
Number Of Circuits
-
Other names
PEB20320H-V34
PEB20320H-V34IN
PEB20320H-V34IN
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
PEB20320H-V34
Manufacturer:
Infineon Technologies
Quantity:
10 000
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User’s Manual
The fe-bit marks the end of one HDLC frame, the EOF bit marks the end of the Ethernet
frame. The additional information comprises the 8-bit word descriptor count, 16-bit word
frame count and EOF a 8-bit variable which indicates the last descriptor of the frame.
Message Entry Point
The message entry point calls two functions: IsdnRouteFrame and LanRouteFrame. An
Ethernet frame is processed by IsdnRouteFrame, an ISDN frame by LanRouteFrame.
The MUNICH32 receive descriptors are converted to LAN controller transmit descriptors
and those of the LAN controller are converted to MUNICH32 transmit descriptors.
Figure 94
Message Flow between DDMs and MROUTE Module
Besides the IsdnRouteFrame realizes the insertion of additional information and splits
an Ethernet frame on several B-channels. The additional information is stored in an extra
allocated transmit descriptor which is placed before the descriptor containing the data.
Every descriptor and the respective extra descriptor are connected to one message
descriptor. This message with set hold bit and set fe-bit in the descriptor containing the
data is further processed from the MUNICH32 DDM routine ‘Send Frame’.
LanRouteFrame reassembles the Ethernet frames. It takes into account, that the parts
might arrive with different delays. Every complete frame is connected to a message
descriptor and than processed from the LAN controller DDM.
MUNICH32
RC Descr
Message Descr
MUNICH32
TX Descr
MUNICH32
DDM
ISDN Route Frame
LAN Route Frame
MROUTE Module
196
LAN Controller
DDM
Application Notes
Message Descr
LAN Controller
TX Descr
LAN Controller
RC Descr
PEB 20320
ITS08292
01.2000
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