參數(shù)資料
型號(hào): XIO2200AZGW
廠商: Texas Instruments
文件頁(yè)數(shù): 43/202頁(yè)
文件大小: 0K
描述: IC PCI-EXPRESS/BUS BRIDGE 176BGA
產(chǎn)品培訓(xùn)模塊: PCI Express Basics
標(biāo)準(zhǔn)包裝: 126
應(yīng)用: PCI Express 至 PCI 轉(zhuǎn)換橋
接口: PCI
電源電壓: 1.35 V ~ 1.65 V,3 V ~ 3.6 V
封裝/外殼: 176-LFBGA
供應(yīng)商設(shè)備封裝: 176-BGA MICROSTAR(15x15)
包裝: 托盤
安裝類型: 表面貼裝
產(chǎn)品目錄頁(yè)面: 882 (CN2011-ZH PDF)
配用: XIO2200AEVM-ND - XIO2200AEVM
其它名稱: 296-19567
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1394 OHCI—PCI Configuration Space
124
March 5 2007 June 2011
SCPS154C
7.22 PCI Miscellaneous Configuration Register
The PCI miscellaneous configuration register provides miscellaneous PCI-related configuration. See
Table 718 for a complete description of the register contents.
PCI register offset:
F0h
Register type:
Read/Write, Read-only
Default value:
0000 0800h
BIT NUMBER
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RESET STATE
0
BIT NUMBER
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESET STATE
0
1
0
Table 718. Miscellaneous Configuration Register
BIT
FIELD NAME
TYPE
DESCRIPTION
3116
RSVD
R
Reserved. Bits 3116 return 0000h when read.
15
PME_D3COLD
R
PME support from D3cold. The 1394a OHCI core does not support PME generation from D3cold.
Therefore, this bit is tied to 0b.
1412
RSVD
R
Reserved. Bits 1412 return 000b when read.
11
PCI2_3_EN
R
PCI 2.3 enable. The 1394 OHCI core always conforms to the PCI 2.3 specification; therefore, this bit
is tied to 1b.
10
IGNORE_
MSTRINT_
ENA_FOR_PME
RW
IGNORE_MSTRINT_ENA_FOR_PME bit for PME generation. When set, this bit causes bit 26 of the
OHCI vendor ID register (OHCI offset 40h, see Section 8.15) to read 1b. Otherwise, bit 26 reads 0b.
0 = PME behavior generated from unmasked interrupt bits and IntMask.masterIntEnable bit
(default)
1 = PME generation does not depend on the value of IntMask.masterIntEnable
98
MR_ENHANCE
RW
This field selects the read command behavior of the PCI master for read transactions of greater than
two data phases. For read transactions of one or two data phases, a memory read command is used.
00 = Memory read line (default)
01 = Memory read
10 = Memory read multiple
11 = Reserved, behavior reverts to default
7
PCI_PM_
VERSION_CTRL
RW
PCI power management version control. This bit controls the value reported in the Version field of the
power management capabilities register of the 1394 OHCI function.
0 = Version fields report 010b for Power Management 1.1 compliance (default)
1 = Version fields report 011b for Power Management 1.2 compliance
65
RSVD
R
Reserved. Bits 65 return 00b when read.
4
DIS_TGT_ABT
RW
Disable target abort. Bit 4 controls the no-target-abort mode, in which the OHCI controller returns
indeterminate data instead of signaling target abort. The OHCI LLC is divided into the PCLK and
SCLK domains. If software tries to access registers in the link that are not active because the
SCLK is disabled, then a target abort is issued by the link. On some systems, this can cause a
problem resulting in a fatal system error. Enabling this bit allows the link to respond to these types
of requests by returning FFh.
0 = Responds with OHCI-Lynx compatible target abort (default)
1 = Responds with indeterminate data equal to FFh. It is recommended that this bit be set to 1b
3
SB_EN
RW
Serial bus enable. In the bridge, the serial bus interface is controlled using the bridge configuration
registers. Therefore, this bit has no effect in the 1394a OHCI function. The default value for this bit is
0b.
2
DISABLE_
SCLKGATE
RW
Disable SCLK test feature. This bit controls locking or unlocking the SCLK to the 1394a OHCI core
PCI bus clock input. This is a test feature only and must be cleared to 0b (all applications).
0 = Hardware decides auto-gating of the PHY clock (default)
1 = Disables auto-gating of the PHY clock
These bits are reset by a PCI Express reset (PERST), a GRST, or the internally-generated power-on reset.
Not Recommended for New Designs
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