參數(shù)資料
型號: PLI9080
廠商: Electronic Theatre Controls, Inc.
英文描述: PCI I/O ACCELERATOR
中文描述: 的PCI I / O加速器
文件頁數(shù): 89/133頁
文件大?。?/td> 883K
代理商: PLI9080
SECTION 4
PCI 9080
REGISTERS
PLX Technology, Inc., 1997
Page 81
Version 0.93
4.7.11 (OFHPR; PCI:D8h, LOC:158h) Outbound Free Head Pointer Register
Table 4-85. (OFHPR; PCI:D8h, LOC:158h) Outbound Free Head Pointer Register
Field
Description
Read
Write
Value after Reset
1:0
Reserved.
Yes
No
0
19:2
Outbound Free Head Pointer. Local Memory Offset for Outbound Free List FIFO. This
register is initialized as (3*FIFO Size) by the local CPU software and is maintained by
the MU hardware and is incremented modulo the FIFO size.
Yes
Yes
0
31:20
Queue Base Address.
Yes
No
0
4.7.12 (OFTPR; PCI:DCh, LOC:15Ch) Outbound Free Tail Pointer Register
Table 4-86. (OFTPR; PCI:DCh, LOC:15Ch) Outbound Free Tail Pointer Register
Field
Description
Read
Write
Value after Reset
1:0
Reserved.
Yes
No
0
19:2
Outbound Free Tail Pointer. Local Memory Offset for Outbound Free List FIFO. This
register is initialized as (3*FIFO Size) and maintained by the local CPU software.
Yes
Yes
0
31:20
Queue Base Address.
Yes
No
0
4.7.13 (OPHPR; PCI:E0h, LOC:160h) Outbound Post Head Pointer Register
Table 4-87. (OPHPR; PCI:E0h, LOC:160h) Outbound Post Head Pointer Register
Field
Description
Read
Write
Value after Reset
1:0
Reserved.
Yes
No
0
19:2
Outbound Post Head Pointer. Local Memory Offset for Outbound Post List FIFO. This
register is initialized as (2*FIFO Size) and maintained by the local CPU software.
Yes
Yes
0
31:20
Queue Base Address.
Yes
No
0
4.7.14 (OPTPR; PCI:E4h, LOC:164h) Outbound Post Tail Pointer Register
Table 4-88. (OPTPR; PCI:E4h, LOC:164h) Outbound Post Tail Pointer Register
Field
Description
Read
Write
Value after Reset
1:0
Reserved.
Yes
No
0
19:2
Outbound Post Tail Pointer. Local Memory Offset for Outbound Post List FIFO. This
register is initialized as (2*FIFO Size) and maintained by the MU hardware and is
incremented modulo the FIFO size.
Yes
Yes
0
31:20
Queue Base Address
Yes
No
0
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