參數(shù)資料
型號: FW323
英文描述: 1394A PCI PHY/Link Open Host Controller Interface
中文描述: 1394A端口物理層的PCI /鏈接開放主機控制器接口
文件頁數(shù): 51/152頁
文件大?。?/td> 1625K
代理商: FW323
Agere Systems Inc.
51
Data Sheet, Rev. 2
October 2001
FW323 05
1394A PCI PHY/Link Open Host Controller Interface
Internal Registers
(continued)
Table 39. Asynchronous Transmit Retries Register Description
Bit
31:29
Field Name
secondLimit
Type
R
Description
The second limit field returns 0s when read, since outbound dual-
phase retry is not implemented.
The cycle limit field returns 0s when read, since outbound dual-
phase retry is not implemented.
Reserved.
Bits 15:12 return 0s when read.
This field tells the physical response unit how many times to
attempt to retry the transmit operation for the response packet
when a busy acknowledge or ack_data_error is received from the
target node.
This field tells the asynchronous transmit response unit how many
times to attempt to retry the transmit operation for the response
packet when a busy acknowledge or ack_data_error is received
from the target node.
This field tells the asynchronous transmit DMA request unit how
many times to attempt to retry the transmit operation for the
response packet when a busy acknowledge or ack_data_error is
received from the target node.
28:16
cycleLimit
R
15:12
11:8
Reserved
R
maxPhysRespRetries
RW
7:4
maxATRespRetries
RW
3:0
maxATReqRetries
RW
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