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HPC3130APBMQUADFLAT 参数 Datasheet PDF下载

HPC3130APBMQUADFLAT图片预览
型号: HPC3130APBMQUADFLAT
PDF下载: 下载PDF文件 查看货源
内容描述: PCI热插拔控制器 [PCI HOT PLUG CONTROLLER]
分类和应用: 控制器PC
文件页数/大小: 41 页 / 537 K
品牌: TI [ TEXAS INSTRUMENTS ]
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HPC3130A  
PCI HOT PLUG CONTROLLER  
SCPS055 – NOVEMBER 1999  
configuration and control registers (continued)  
attention indicator control register  
Bit  
7
6
5
4
3
2
1
0
Name  
Type  
Default  
Attention indicator control register  
R
0
R
0
R
0
R
0
R/W  
0
R/W  
0
R/W  
0
R/W  
0
Register:  
Type:  
Attention indicator control  
Read-only, Read/Write  
Offset:  
Default:  
Description:  
03 (slot 0), 0Bh (slot 1), 13h (slot 2), 1Bh (slot 3)  
00h  
This register controls the attention indicators. The timing for the indicators is based upon  
the PCI clock and the M66EN input.  
Table 11. Attention Indicator Control Register  
BIT  
7
TYPE  
NAME  
FUNCTION  
Reserved. This bit returns 0 when read.  
Reserved. This bit returns 0 when read.  
Reserved. This bit returns 0 when read.  
Reserved. This bit returns 0 when read.  
R
R
R
R
RSVD  
RSVD  
RSVD  
RSVD  
6
5
4
Attention indicator 1 control. These bits control the state of ATTN1 per slot and are programmed as follows:  
00 = Drive low  
01 = Slow blink – 1 cycle per second  
10 = Fast blink – 2 cycles per second  
11 = Drive high  
3–2  
1–0  
R/W  
R/W  
ATTN1_CTL  
ATTN0_CTL  
Attention indicator 0 control. These bits control the state of ATTN0 per slot and are programmed as follows:  
00 = Drive low  
01 = Slow blink – 1 cycle per second  
10 = Fast blink – 2 cycles per second  
11 = Drive high  
29  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
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