4 apc data structure, Apc data structure -61, El. (see section 29.10.4, òapc data structure – Motorola MPC8260 User Manual

Page 841

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29-61

MPC8260 PowerQUICC II UserÕs Manual

MOTOROLA

Part IV. Communications Processor Module

29.10.4 APC Data Structure

The APC data structure consists of three elements: the APC parameter tables for the PHY
devices, the APC priority table, and the APC scheduling tables. See Figure 29-38.

Table 29-28. OAMÑPerformance Monitoring Table Field Descriptions

Offset Bits

Name

Description

0x00

0

FMCE

Enables FMC transmission. Initialize to 1.

1

TSTE

FMC time stamp enable
0 The time stamp Þeld of the FMC is coded with all 1Õs.
1 The value of the time stamp timer is inserted into the time stamp Þeld of the FMC.

2Р4

С

Reserved, should be cleared.

5Ð15

TCC

TX cell count. Used by the CP to count data cells sent. Initialize to zero.

0x02

0Р4

С

Reserved, should be cleared.

5Ð15

BLCKSIZE

Performance monitoring block size ranging from 1 to 2,047 cells.

0x04

Ñ

TUC1

Total user cell 1. Count of CLP = 1 user cells (modulo 65,536) sent. Initialize to 0.

0x06

Ñ

TUC0

Total user cell 0. Count of CLP = 0 user cells (modulo 65,536) sent. Initialize to 0.

0x08

Ñ

BEDC0+1-Tx

Block error detection code 0+1Ðtransmitted cells. Even parity over the payload of the
block of user cells sent since the last FMC. Initialize to 0.

0x0A

Ñ

BEDC0+1-RX Block error detection code 0+1Ðreceived cells. Even parity over the payload of the

block of user cells received since the last FMC. Initialize to 0.

0x0C

Ñ

TRCC1

Total received cell 1. Count of CLP = 1 user cells (modulo 65,536) received. Initialize
to 0.

0x0E

Ñ

TRCC0

Total received cell 0. Count of CLP = 0 user cells (modulo 65,536) received. Initialize
to 0.

0x10

0Р7

С

Reserved, should be cleared.

8Ð15

SN-FMC

Sequence number of the last FMC sent. Initialize to 0.

0x12

С

С

Reserved, should be cleared.

0x14

Ñ

PMCH

PM cell header. Holds the ATM cell header of the FMC, BRC to be inserted by the CP
into the Tx cell ßow.

0x18Ð
0x1E

С

С

Reserved, should be cleared.

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