MPC8280 datasheet(1086/1386 Pages) FREESCALE

1086 / 1386 page

ATM AAL1 Circuit Emulation Service

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

32-26

Freescale Semiconductor

Each connection table entry resides in 32 bytes. The pointers to these connection tables reside in the

parameter RAM.

32.9.1

Receive Connection Table (RCT)

Figure 32-21 shows the format of an RCT entry.

NOTE

For an active channel, the CP uses a burst cycle to fetch the 32-byte RCT

and writes back only the first 24 bytes.

Offset + 0x00

—

GBL

—

DTB

BIB

—

SEGF

ENDF

—

SYNC

INTQ

Offset + 0x02

—

CASM

ABRF

AAL

Offset + 0x04

RX Data Buffer Pointer (RXDBPTR)

Offset + 0x06

Offset + 0x08

Cell Time Stamp

Offset + 0x0A

Offset + 0x0C

RBD_Offset

Offset + 0x0E

Protocol Specific. Refer to Section 32.9.1.1, “AAL1 CES Protocol-Specific RCT.”

Offset + 0x10

Offset + 0x12

Offset + 0x14

Offset + 0x16

Offset + 0x18

Offset + 0x1A

MRBLR

Offset + 0x1C

—

PMT

RBD_BASE

Offset + 0x1E

RBD_BASE

CCASM

CESM

—

Figure 32-21. Receive Connection Table (RCT) Entry

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