參數(shù)資料
型號: PI7C7300A
廠商: Pericom Semiconductor Corp.
英文描述: 3-PORT PCI-to-PCI BRIDGE
中文描述: 3端口PCI至PCI橋
文件頁數(shù): 39/109頁
文件大小: 779K
代理商: PI7C7300A
PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 39 OF 109
09/25/03 Revision 1.09
!
Target response has been received but has not progressed to the head of the return
queue.
!
!
!
The delayed transaction queue is full, and the transaction cannot be queued.
A transaction with the same address and command has been queued.
A locked sequence is being propagated across PI7C7300A, and the write transaction
is not a locked transaction.
!
!
The target bus is locked and the write transaction is a locked transaction.
Use more than 16 clocks to accept this transaction.
For delayed read transactions:
!
The transaction is being entered into the delayed transaction queue.
!
The read request has already been queued, but read data is not yet available.
!
Data has been read from target, but it is not yet at head of the read data queue or a
posted write transaction precedes it.
!
The delayed transaction queue is full, and the transaction cannot be queued.
!
A delayed read request with the same address and bus command has already been
queued.
!
A locked sequence is being propagated across PI7C7300A, and the read transaction
is not a locked transaction.
!
PI7C7300A is currently discarding previously pre-fetched read data.
!
The target bus is locked and the write transaction is a locked transaction.
!
Use more than 16 clocks to accept this transaction.
For posted write transactions:
!
The posted write data buffer does not have enough space for address and at least one
DWORD of write data.
!
A locked sequence is being propagated across PI7C7300A, and the write transaction
is not a locked transaction.
When a target retry is returned to the initiator of a delayed transaction, the initiator must
repeat the transaction with the same address and bus command as well as the data if it is
a write transaction, within the time frame specified by the master timeout value.
Otherwise, the transaction is discarded from the buffers.
TARGET DISCONNECT
4.9.4.2
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