參數(shù)資料
型號: DS100BR111SQE/NOPB
廠商: National Semiconductor
文件頁數(shù): 24/43頁
文件大?。?/td> 0K
描述: IC REPEATER 10.3GBPS 2CH 24LLP
標準包裝: 250
系列: *
SNLS338E – JANUARY 2011 – REVISED FEBRUARY 2013
Table 9. SMBus Register Map (continued)
Register
EEPROM
Address
Bits
Field
Type
Default
Description
Name
Reg Bit
0x18
CH B
7:5
Reserved
R
0x82
Set bits to = 100'b
Control 2
4
Reserved
R/W
Set bit to 0
3
Reserved
Set bit to 0
2:0
DEM [2:0]
Yes
De-Emphasis (Default = -3.5 dB)
000'b = -0.0 dB
001'b = -1.5 dB
010'b = -3.5 dB
011'b = -6.0 dB
100'b = -8.0 dB
101'b = -9.0 dB
110'b = -10.5 dB
111'b = -12.0 dB
0x19
CH B
7
Slow OOB
R/W
0x00
Yes
Slow OOB Enable (1); Disable (0)
Idle
6:4
Reserved
Set bits to 000'b.
Threshold
3:2
IDLE thA[1:0]
Yes
Assert Thresholds
Use only if register 0x08 [6] = 1
00 = 180 mV (Default)
01 = 160 mV
10 = 210 mV
11= 190 mV
1:0
IDLE thD[1:0]
Yes
De-assert Thresholds
Use only if register 0x08 [6] = 1
00 = 110 mV (Default)
01 = 100 mV
10 = 150 mV
11= 130 mV
0x23
CH A VOD
7:6
Reserved
R/W
0x00
Set bits to 00'b.
Control
4:2
VOD_CH0[2:0]
Yes
DS100BR111 VOD Controls for CH A (Default =
000'b)
000'b = 700 mV
001'b = 800 mV
010'b = 900 mV
011'b = 1000 mV
100'b = 1100 mV
101'b = 1200 mV
110'b = 1300 mV
1:0
Reserved
Set bits to 00'b.
0x25
Reserved
7:5
Reserved
R/W
0xAD
Set bits to 101'b.
4:2
Reserved
Yes
Set bits to 011'b.
1:0
Reserved
Set bits to 01'b.
0x28
Idle Control
7
Reserved
R/W
0x00
6
Override Fast Idle
Yes
5:4
en_high_idle_th[1:
Yes
Enable high SD thresholds
0]
[5]: CH A
[4]: CH B
3:2
en_fast_idle[1:0]
Yes
Enable Fast IDLE
[3]: CH A
[2]: CH B
1:0
Reserved
Yes
Set bits to 00'b.
30
Copyright 2011–2013, Texas Instruments Incorporated
Product Folder Links: DS100BR111
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