DS64MB201_13 Datasheet, PDF (17/32 Pages) Texas Instruments – Dual Lane 2:1/1:2 Mux/Buffer with Equalization and De-Emphasis

www.ti.com
0x16
SIB0
EQ Control
0x17
DOUT0
VOD Control
0x18
DOUT0
DE Control
0x19
SIB0
IDLE Threshold
0x1D
SIA1
EQ Control
0x20
SIA1
IDLE Threshold
DS64MB201
SNLS307E – JANUARY 2011 – REVISED JULY 2013
Table 8. SMBus Register Map (continued)
7:6 Reserved
5:0 SIB0 EQ
R/W 0x20
7
Reserved
6:0 DOUT0 VOD
R/W 0x03
7:0 DOUT0 DEM
R/W 0x03
7:4 Reserved
R/W 0x00
3:0 IDLE threshold
7:6 Reserved
5:0 SIA1 EQ
R/W 0x20
7:4 Reserved
R/W 0x00
3:0 IDLE threshold
Set bits to 0.
SIB0 Control - total of 24 levels
(3 gain stages with 8 settings)
[5]: Enable EQ
[4:3]: Gain Stage Control
[2:0]: Boost Level Control
Register [EN] [GST] [BST] = Hex Value
100000 = 20'h = Bypass (Default)
101010 = 2A'h = 5 dB at 3 GHz
110000 = 30'h = 9 dB at 3 GHz
110010 = 32'h = 11.7 dB at 3 GHz
111001 = 39'h = 14.6 dB at 3 GHz
110101 = 35'h = 18.4 dB at 3 GHz
110111 = 37'h = 20 dB at 3 GHz
111011 = 3B'h = 21.2 dB at 3 GHz
111101 = 3D'h = 28.4 dB at 3 GHz
Set bit to 0.
DOUT0 VOD Control
03'h = 600 mV (Default)
07'h = 800 mV
0F'h = 1000 mV
1F'h = 1200 mV
3F'h = Reserved
DOUT0 DEM Control
[7]: DEM TYPE (Compatibility = 0 / Enhanced = 1)
[6:0]: DEM Level Control
Register [TYPE] [Level Control] = Hex Value
00000001 = 01'h = 0.0 dB
00111000 = E8'h = −3.5 dB
10001000 = 88'h = −6.0 dB
10010000 = 90'h = −9.0 dB
10100000 = A0'h = −12.0 dB
Set bits to 0.
De-assert = [3:2], assert = [1:0]
00 = 110 mV, 70 mV (Default)
01 = 150 mV, 110 mV
10 = 170 mV, 130 mV
11 = 190 mV, 150 mV
Set bits to 0.
SIA1 EQ Control - total of 24 levels
(3 gain stages with 8 settings)
[5]: Enable EQ
[4:3]: Gain Stage Control
[2:0]: Boost Level Control
Register [EN] [GST] [BST] = Hex Value
100000 = 20'h = Bypass (Default)
101010 = 2A'h = 5 dB at 3 GHz
110000 = 30'h = 9 dB at 3 GHz
110010 = 32'h = 11.7 dB at 3 GHz
111001 = 39'h = 14.6 dB at 3 GHz
110101 = 35'h = 18.4 dB at 3 GHz
110111 = 37'h = 20 dB at 3 GHz
111011 = 3B'h = 21.2 dB at 3 GHz
111101 = 3D'h = 28.4 dB at 3 GHz
Set bits to 0.
De-assert = [3:2], assert = [1:0]
00 = 110 mV, 70 mV (Default)
01 = 150 mV, 110 mV
10 = 170 mV, 130 mV
11 = 190 mV, 150 mV
Copyright © 2011–2013, Texas Instruments Incorporated
Product Folder Links: DS64MB201
Submit Documentation Feedback
17