PXB4219EV34NP Infineon Technologies, PXB4219EV34NP Datasheet - Page 38
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PXB4219EV34NP
Manufacturer Part Number
PXB4219EV34NP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PXB4219EV34NP.pdf
(290 pages)
Specifications of PXB4219EV34NP
Data Rate
2.048Mbps
Number Of Channels
1
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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3.3
Table 11
Block
FR
OR
OQ
CR
UR
Data Sheet
Functional Block Description
Functions
Framer Receive interfaces
• FRCLK synchronization
• 8 bit serial to parallel conversion
• Frame and multiframe synchronization
• Timeslot counter
• Timeslot assignment and channel configuration (RAM1)
Octet Receive processing
ATM ports:
• Cell delineation
• HEC check: Header error detection and correction
• Cell payload de scrambling
• Idle or Unassigned Cell Deletion
• Statistics counter event generation
• Write to ATM Receive Buffer
AAL ports:
• Segmentation port de correlation
• Segmentation
• SN/SNP generation
• SDT pointer generation
• RTS value insertion
• Statistics counter event generation
• Write to Segmentation Buffer
Output Queue
• FIFO containing 256 addresses of cells to be sent to UTOPIA Receive
Cell Receive processing
ATM ports:
• Read cells from ATM receive buffer
AAL ports:
• Read cells from AAL segmentation buffer
• Padding of partially filled cells
UTOPIA Receive interface
• Cell level handshake
• Mapping of framer port number into ATM header in UTOPIA level 1
• Output buffer for 4 cells
Functions of IWE8 Blocks
mode and UTOPIA level 2 single PHY mode
38
PXB 4219E, PXB 4220E, PXB 4221E
Functional Description
IWE8, V3.4
2003-01-20
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