Motorola MPC8260 - Manual (Page 831)

29-51 MPC8260 PowerQUICC II UserÕs Manual MOTOROLA
Part IV. Communications Processor Module
29.10.2.3 Transmit Connection Table (TCT)
Figure 29-30 shows the format of an TCT entry.
Table 29-21 describes general TCT Þelds.
0x18 0Р7 С Reserved, should be cleared.
8 RXBM Receive buffer interrupt mask
0 The receive buffer event of this channel is masked. (The RXB event is not sent to the
interrupt queue when receive buffers are closed.)
1 The receive buffer event of this channel is enabled.
9Р15 С Reserved, should be cleared.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Offset + 0x00 Ñ GBL BO Ñ DTB BIB AVCF Ñ ATT CPUU VCON INTQ
Offset + 0x02 Ñ INF Ñ ABRF AAL
Offset + 0x04 Tx Data Buffer Pointer (TXDBPTR)
Offset + 0x06
Offset + 0x08 TBDCNT
Offset + 0x0A TBD_OFFSET
Offset + 0x0C Rate Remainder PCR Fraction
Offset + 0x0E PCR
Offset + 0x10 Protocol SpeciÞc
Offset + 0x12
Offset + 0x14
Offset + 0x16 APC Linked Channel (APCLC)
Offset + 0x18 ATM Cell Header (VPI,VCI,PTI,CLP)
Offset + 0x1a
Offset + 0x1C Ñ PMT TBD_BASE
Offset + 0x1E TBD_BASE BNM STPT IMK PM
Figure 29-30. Transmit Connection Table (TCT) Entry
Table 29-20. AAL0-Specific RCT Field Descriptions (Continued)
Offset Bits Name Description