SNLU288 December   2020

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
  3. 2Description
    1. 2.1  DS160PR412 and DS160PR421 4-Level I/O Control Inputs
    2. 2.2  DS160PR412 and DS160PR421 Modes of Operation
    3. 2.3  DS160PR412 and DS160PR421 SMBus or I2C Register Control Interface
    4. 2.4  DS160PR412 and DS160PR421 Equalization Control
    5. 2.5  DS160PR412 and DS160PR421 RX Detect State Machine
    6. 2.6  DS160PR412 and DS160PR421 DC Gain Control
    7. 2.7  DS160PR412-421EVM Global Controls
    8. 2.8  DS160PR412-421EVM Downstream Devices Control
    9. 2.9  DS160PR412-421EVM Upstream Devices Control
    10. 2.10 Quick-Start Guide (Pin Mode)
    11. 2.11 Quick-Start Guide (SMBus Slave Mode)
  4. 3Schematics
  5. 4PCB Layouts
  6. 5Bill of Materials

2.7 DS160PR412-421EVM Global Controls

Table 2-7 shows the DS160PR412 and DS160PR421 EVM global controls that affect all devices on the board.

Table 2-7 EVM Global Controls
COMPONENTNAMEFUNCTION OR DESCRIPTION
J1

DS160PR412-0 VCC

Pin 1 : Board VCC


Pin 2: PR412_0 VCC
J2

DS160PR412-1 VCC

Pin 1 : Board VCC


Pin 2: PR412_1 VCC
J3

DS160PR421-2 VCC

Pin 1 : Board VCC


Pin 2: PR421_2 VCC
J4

DS160PR421-3 VCC

Pin 1 : Board VCC


Pin 2: PR421_3 VCC
J5PCIe JTAG TRST1-2: Edge Finger to PCIe-A
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-B
J6

PCIe JTAG TCK

1-2: Edge Finger to PCIe-A
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-B
J7

PCIe TDI

1-2: Edge Finger to PCIe-A
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-B
J8

PCIe TDO

1-2: Edge Finger to PCIe-A
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-B
J9

PCIe TMS

Access point to the GND reference.
J10

Board Regulator 3.3-V Output

Pin 1 : Board 3.3V


Pin 2: GND

J11

Board 12-V Supply

Pin 1 : Board 12V


Pin 2: GND

JMP7

MUX SEL

1-2 : PCIe Edge Finger to PCIe-B


2-3: PCIe Edge Finger to PCIe-A

JMP8

Redriver PD

1-2 : Power Down


2-3: Normal Operation

JMP17

I2C Interface Sel

1-2 : USB2ANY


2-3: Aardvark

JMP18

CLK Buffer Enable

1-2 : Disabled


2-3: Enabled

JMP19

CLK Buffer Input Sel

1-2 : CLKIN1


2-3: CLKIN0

JMP20

CLK Buffer Ref. Out

1-2 : Enabled


2-3: Disabled