xrt94l33 Exar Corporation, xrt94l33 Datasheet - Page 434

• Manufacturer Part Number: xrt94l33
• Description: Multi-channel, Multi-function Device Aggregates 3 Ds3/e3/sts-1 Into Oc3/stm-1
• Manufacturer: Exar Corporation

xr
XRT94L33
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
Rev.1.2.0.
t47
RxGFCClk
t48
t49
RxGFCMSB
t51
t50
RxGFC
BIT 2
BIT 1
BIT 0
BIT 3
t52
4.3.4.8 RECEIVE ATM CELL PROCESSOR BLOCK INTERRUPTS
• Cell Delineation
• HEC Byte Verification
• Idle Cell Filtering (optional)
• User/OAM Cell Filtering (optional)
• Cell-payload de-scrambling (optional)
The Receive ATM Cell Processor will also output the GFC Nibble value of each incoming cell, via the
“Receive GFC Nibble Field” Serial Output port.
Figure 108 presents a simple block diagram of the Receive ATM Cell Processor block along with its external
pins.
Figure 108 Simple Illustration of the Receive ATM Cell Processor, with associated Pins
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