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DS80PCI402_15 Datasheet, PDF (39/54 Pages) Texas Instruments – 2.5-Gbps / 5.0-Gbps / 8.0-Gbps 4-Lane PCI-Express Repeater With Equalization and De-Emphasis
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DS80PCI402
SNLS324E – APRIL 2011 – REVISED JANUARY 2015
Address Register Name
0x44
CH7 - CHA_3
IDLE Threshold
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B
0x4C
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
0x4D
0x4E
0x4F
0x50
0x51
0x52
0x53
0x54
0x55
0x56
0x57
0x58
0x59
0x5A
0x5B
0x5C
0x5D
0x5E
0x5F
0x60
0x61
Reserved
Reserved
Reserved
Reserved
Device ID
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Table 9. SMBus Slave Mode Register Map (continued)
Bit Field
7
Reserved
6:4 Reserved
3:2 IDLE tha
1:0 IDLE thd
7:0 Reserved
7:0 Reserved
7:4 Reserved
3:0 Reserved
7:6 Reserved
5:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:3 Reserved
2:1 Reserved
0
Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:5 VERSION
4:0 ID
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:1 Reserved
0
Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
7:0 Reserved
Type Default
R/W 0x00
R/W 0x00
R/W 0x38
R/W 0x00
R/W
R/W 0x05
R/W
R/W 0x00
R/W 0x00
R/W 0x00
R/W 0x00
R/W
R/W
R/W 0x00
R/W 0x00
R/W 0x00
R/W 0x00
R 0x44
R/W 0x00
R/W 0x00
R/W 0x00
R/W 0x00
R/W 0x10
R/W 0x64
R/W 0x21
R/W 0x00
R/W 0x54
R/W 0x54
R/W 0x00
R/W 0x00
R/W 0x00
R/W 0x00
R/W 0x00
R/W 0x00
EEPROM
Bit
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Description
Set bit to 0
Set bits to 0
Assert threshold
00 = 180 mVp-p (default)
01 = 160 mVp-p
10 = 210 mVp-p
11 = 190 mVp-p
Note: Override the SD_TH pin
Deassert threshold
00 = 110 mVp-p (default)
01 = 100 mVp-p
10 = 150 mVp-p
11 = 130 mVp-p
Note: Override the SD_TH pin
Set bits to 0
Set bits to 0x38
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 00 0101'b
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
010'b
00100'b
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0x10
Set bits to 0x64
Set bits to 0x21
Set bits to 0
Set bit to 0
Set bits to 0x54
Set bits to 0x54
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
Set bits to 0
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