參數(shù)資料
型號: SiI3124ACBHU
廠商: Silicon Image, Inc.
英文描述: PCI-X to Serial ATA Controller
中文描述: PCI - X到串行ATA控制器
文件頁數(shù): 31/88頁
文件大?。?/td> 621K
代理商: SII3124ACBHU
PCI-X to Serial ATA Controller
Silicon Image, Inc.
5.3.5 The PRB Control Field
The Control Field (offset 0x00, bits [15:0]) is used to indicate the type of PRB and features that are desired. For a standard
ATA command, this field will normally contain a default value of 0x0000. Table 5-3 describes the bit functions for each bit in
the Control Field.
Bit
Name
The Protocol Override Field is to be used instead of the
default protocol for this command.
Allows retransmission if an error occurs during an external
command transmission.
The command FIS shall be fetched from host memory.
This feature is used to send arbitrary FISes that will not fit
in the command FIS area of the PRB.
Reserves a command slot to be used to receive an
interlocked FIS as described by the port FIS_CONFIG
register.
Indicates that the packet command associated with this
PRB will transfer data from the device to the host. This bit
must be set for all packet commands that perform read
data transfers.
Indicates that the packet command associated with this
PRB will transfer data from the host to the device. This bit
must be set for all packet commands that perform write
data transfers.
Setting this bit to one will prevent the SiI3124 from issuing
a normal successful completion interrupt for this command.
Causes the SiI3124 to issue a soft reset FIS sequence to
the device.
15:8
reserved
Must be zero
Data Sheet
2006 Silicon Image, Inc.
SiI-DS-0160-C
31
Description
0
control_protocol_override
1
control_retransmit
2
control_external_command
3
control_receive
4
control_packet_read
5
control_packet_write
6
control_interrupt_mask
7
control_soft_reset
Table 5-3 Control Field Bit Definitions
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