User's Guide
SLLU211 – October 2014
LVCP601 Evaluation Module
The SN75LVCP601 is a dual channel, single lane SATA redriver and signal conditioner supporting data
rates up to 6.0Gbps. The device complies with SATA physical link 2m and 3i specifications.
The SN75LVCP601 handles interconnect losses at both its input and output. The input stage of each
channel offers selectable equalization settings that can be programmed to match loss in the channel. The
differential outputs provide selectable de-emphasis to compensate for the anticipated distortion the SATA
signal will experience. Level of equalization and de-emphasis settings depend on the length of
interconnect and its characteristics. Both equalization and de-emphasis levels are controlled by the setting
of signal control pins EQ1, EQ2 and DE1, DE2.
This evaluation module acts as a reference design that can be easily modified for any intended
application. Target applications include notebooks, desktops, docking stations, servers, and work stations.
Schematics and layout information are included at the end of this user's guide.
Figure 1. LVCP601 EVM
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Contents
Introduction ...................................................................................................................
LVCP601 Evaluation Module Configuration ..............................................................................
PCB Construction ............................................................................................................
3.1
EVM Board Schematics ............................................................................................
3.2
EVM PCB Layout ...................................................................................................
3.3
LVCP601 EVM Bill of Materials ...................................................................................
3
3
5
5
6
8
List of Figures
2
1
LVCP601 EVM ............................................................................................................... 1
2
SN75LVCP601 EVM Schematic ........................................................................................... 5
3
PCB Layout of Top Layer ................................................................................................... 6
4
PCB Layout of 2nd Layer ................................................................................................... 6
5
PCB Layout of 3rd Layer
6
PCB Layout of Bottom Layer ............................................................................................... 7
...................................................................................................
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Introduction
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1
Introduction
The LVCP601 is a dual channel, single lane SATA redriver and signal conditioner. This guide describes
the construction and usage of the EVM for the LVCP601 which is meant to serve as an evaluation tool for
the LVCP601, as well as be used as a reference design for the device.
2
LVCP601 Evaluation Module Configuration
Kit Contents:
This EVM kit should contain the following items:
• LVCP601 EVM board
• This user’s manual
This board is designed to facilitate easy evaluation of the LVCP601 using internal SATA connectors.
Physical switches allow for simple configuration of the equalization, de-emphasis, and operation mode
settings of the LVCP601. The EVM board has two internal SATA connectors, one for the host side and
one for the device side of the redriver. This module also runs on a 3-V supply voltage that is derived from
the standard SATA power connection.
The configuration of the equalization, de-emphasis, de-emphasis width, and standby mode settings are all
selected using SW1-SW7. See Table 1 for further details about the configuration of the EVM. Suggested
default configuration settings for the EVM can be found in Table 2.
Table 1. Configuration of EVM Using Control Switches
Control Switch
Switch Position and
Corresponding Setting Configuration
SW1: EQ2 (Equalizer 2 configuration)
1: 14 dB
2: 0 dB
3: 7 dB
SW2: EQ1 (Equalizer 1 configuration)
1: 14 dB
2: 0 dB
3: 7 dB
SW3: DEW1 (De-emphasis width 1)
1: Long duration
2: Long duration
3: Short duration
SW4: DE1 (De-emphasis 1 configuration)
1: -2dB
2: -4 dB
3: 0 dB
SW5: DE2 (De-emphasis 2 configuration)
1: -2 dB
2: -4 dB
3: 0 dB
SW6: DEW2 (De-emphasis width 2)
1: Long duration
2: Long duration
3: Short duration
SW7: EN (Enable/Standby mode configuration)
1: Enabled
2: Standby Mode
3: Standby Mode
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LVCP601 Evaluation Module Configuration
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Table 2. Suggested Default Configuration for EVM
4
Parameter
Default Setting
EQ2
0 dB
EQ1
0 dB
DEW1
Long
DE1
0 dB
DE2
0 dB
DEW2
Long
EN
Enable Mode
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PCB Construction
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3
PCB Construction
This section contains the schematics, PCB layouts, and the bill of materials.
3.1
EVM Board Schematics
Figure 2 illustrates the SN75LVCP601 EVM schematic.
Figure 2. SN75LVCP601 EVM Schematic
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PCB Construction
3.2
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EVM PCB Layout
Figure 3 through Figure 6 illustrate the PCB layouts.
Figure 3. PCB Layout of Top Layer
Figure 4. PCB Layout of 2nd Layer
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PCB Construction
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Figure 5. PCB Layout of 3rd Layer
Figure 6. PCB Layout of Bottom Layer
3.2.1
EVM PCB Fabrication
The EVM board is a 4-layer board constructed of FR4-PolyClad 370 material. The board consists of a
signal layer on top, a ground layer, a power layer, and another signal layer on the bottom. The impedance
of the differential traces is 100 ohms. Other traces have an impedance of 50 ohms.
NOTE: In order to achieve the desired impedance, it is recommended that you consult your board
manufacturer for their process and design requirements.
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PCB Construction
3.3
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LVCP601 EVM Bill of Materials
Table 3 lists the SN75LVCP601 bill of materials.
Table 3. Bill of Materials
8
Item Qty
Reference
Value
1
1
CN1
SATA MALE 5622-6309-ML 3M5555-ND
Digikey P/N
5622-6309-ML
2
1
CN2
SATA Female
609-1029-ND
10031569-001LF
3
8
C1,C2,C3,C4,C5,C6,C7,C8
.012uF
490-3255-1-ND
GRM155R71C123KA01D
4
3
C9,C10,C11
47uf
587-1436-1-ND
EMK325BJ476MM-T
5
2
C12,C18
10uF
445-4112-1-ND
C1608X5R0J106M
6
2
C13,C14
1uf
PCC2422CT-ND
ECJ-1VB1E105K
7
4
C15,C16,C17,C19
0.1uF
445-4984-1-ND
C1005X5R1A104M
8
1
D1
LED Green 0805
67-1553-6-ND
SML-LXT0805GW-TR
9
2
J1,J2
HDR2X1 M .1
A26520-02-ND
4-103321-0-02
10
7
R1,R2,R3,R4,R5,R6,R7
4.7K
P4.7KJCT-ND
ERJ-2GEJ472X
11
1
R8
0 Ohm
P0.0GCT-ND
ERJ-3GEY0R00V
12
1
R9
330 ohm
P330GCT-ND
ERJ-3GEYJ331V
13
6
SW1,SW2,SW3,SW4,SW5,
SW6
Switch CJS-1201
563-1023-2-ND
CJS-1201B1
14
1
SW7
Switch CJS-1200
563-1022-1-ND
CJS-1200B1
15
1
U1
SN75LVCP601
296-27627-1-ND
SN75LVCP601RTJT
16
1
U2
REG104A-33
REG104GA-3.3-ND
REG104GA-3.3
LVCP601 Evaluation Module
Manufacturer P/N
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