MT92220 Zarlink Semiconductor, MT92220 Datasheet - Page 150
MT92220
Manufacturer Part Number
MT92220
Description
1023 Channel Voice Over IP/AAL2 Processor
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT92220.pdf
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Each RX HDLC stream structure in the RX TDM Control Memory corresponds to an entry in the RX HDLC
Stream/Buffer Control Table. This entry contains almost the same information as the RX HDLC stream structure,
but is updated first by the packet disassembly module. When the RX HDLC stream structure thinks its circular
buffer is empty, it checks the write pointer in the RX HDLC Stream/Buffer Control entry to see if it has changed
since last time. Similarly, when the RX TDM process completes a packet, it updates the value of the read pointer in
the RX HDLC Stream/Buffer Control entry.
16K Byte Buffer *
16K Byte Buffer *
32K Byte Buffer *
32K Byte Buffer *
64K Byte Buffer *
64K Byte Buffer *
256 Byte Buffer
256 Byte Buffer
512 Byte Buffer
512 Byte Buffer
1K Byte Buffer
1K Byte Buffer
2K Byte Buffer
2K Byte Buffer
4K Byte Buffer
4K Byte Buffer
8K Byte Buffer *
8K Byte Buffer *
* Note: Valid for HDLC Buffer only
* Note: Valid for HDLC Buffer only
Figure 84 - RX Circular Buffer Base/Size Indication
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RX Circ Buf Base [20:16]
RX Circ Buf Base [20:16]
RX Circ Buffer Base [20:15]
RX Circ Buffer Base [20:15]
RX Circ. Buffer Base [20:14]
RX Circ. Buffer Base [20:14]
RX Circular Buffer Base [20:13]
RX Circular Buffer Base [20:13]
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RX Circular Buffer Base [20:12]
RX Circular Buffer Base [20:12]
RX Circular Buffer Base [20:11]
RX Circular Buffer Base [20:11]
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Zarlink Semiconductor Inc.
RX Circular Buffer Base [20:10]
RX Circular Buffer Base [20:10]
RX Circular Buffer Base [20:9]
RX Circular Buffer Base [20:9]
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RX Circular Buffer Base [20:8]
RX Circular Buffer Base [20:8]
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