Motorola MPC8260 User Manual

29-61

MOTOROLA

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.

0x00

0

Enables FMC transmission. Initialize to 1.

1

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.

2Ð4

Ñ

Reserved, should be cleared. 

5Ð15

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

0x02

0Ð4

Ñ

Reserved, should be cleared. 

5Ð15

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

0x04

Ñ

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

0x06

Ñ

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

0x08

Ñ

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

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

0x0E

Ñ

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

0x10

0Ð7

Ñ

Reserved, should be cleared. 

8Ð15

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

0x12

Ñ

Ñ

Reserved, should be cleared. 

0x14

Ñ

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

Ñ

Ñ

Reserved, should be cleared.