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MPC8280 Datasheet(PDF) 1103 Page - Freescale Semiconductor, Inc

Part # MPC8280
Description  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 Datasheet(HTML) 1103 Page - Freescale Semiconductor, Inc

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ATM AAL1 Circuit Emulation Service
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
Freescale Semiconductor
32-43
32.15 Internal AAL1 CES Statistics Tables
An AAL1 CES statistics table, shown in Table 32-14, resides in the dual-port RAM and holds AAL1 CES
statistics on a per-VC basis. AAL1_Int_STATT_BASE points to the base address of these tables. Each
AAL1 channel has its own table with a starting address given by AAL1_Int_STATT_BASE +
ATM_CHANNEL#
× 8.
0
15
Offset + 0x00
0x0000
Offset + 0x02
0x0007
Offset + 0x04
0x000D
Offset + 0x06
0x000A
Offset + 0x08
0x000E
Offset + 0x0A
0x0009
Offset + 0x0C
0x0003
Offset + 0x0E
0x0004
Offset + 0x10
0x000B
Offset + 0x12
0x000C
Offset + 0x14
0x0006
Offset + 0x16
0x0001
Offset + 0x18
0x0005
Offset + 0x1A
0x0002
Offset + 0x1C
0x0008
Offset + 0x1E
0x000F
Figure 32-31. AAL1 Sequence Number (SN) Protection Table
Table 32-14. AAL1 CES DPR Statistics Table
Offset
Name
Width
Description
0x00
Rx_AAL1_VALID
Hword
16-bit cyclic counter. Counts the total received AAL1 cells delivered to the
receive buffers. This counter includes the tag cells (with SCE, SNE).
0x02
Rx_AAL1_BOV
Hword
16-bit cyclic counter. Counts the number of ATM buffer-pre overrun events i.e
the ATM write pointer reaches the ATM_STOP threshold.See Section 32.5,
“ATM-to-TDM Adaptive Slip Control.”
0x04
Tx_AAL1_VALID
Hword
16-bit cyclic counter. Counts the transmitted AAL1 cells.
0x06
Tx_AAL1_BUN
Hword
16-bit cyclic counter. Counts the number of ATM buffer underrun events. See
Section 32.4.1.2, “TDM-to-ATM.”



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