SNLU301 November   2021 SN75LVPE5412 , SN75LVPE5421

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
  3. 2Description
    1. 2.1  Redriver-Mux 5-Level I/O Control Inputs
    2. 2.2  Redriver-Mux Modes of Operation
    3. 2.3  Redriver-Mux SMBus or I2C Register Control Interface
    4. 2.4  Redriver-Mux Equalization Control
    5. 2.5  Redriver-Mux RX Detect State Machine
    6. 2.6  Redriver-Mux DC Gain Control
    7. 2.7  DS320PR412-421EVM Global Controls
    8. 2.8  DS320PR412-421EVM Downstream Devices Control
    9. 2.9  DS320PR412-421EVM 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 DS320PR412-421EVM Global Controls

Table 2-7 shows the DS320PR412, DS320PR421, SN75LVPE5412 and SN75LVPE5421 EVM global controls that affect all devices on the board.

Table 2-7 EVM Global Controls
COMPONENT NAME FUNCTION OR DESCRIPTION
J1 DS320PR412-0 VCC

Pins 1-2 : PCIe Connector VCC


Pins 2-3:

Regulator 3.3V
J2 DS320PR412-1 VCC Pins 1-2 : PCIe Connector VCC
Pins 2-3:

Regulator 3.3V
J3 DS320PR421-2 VCC Pins 1-2 : PCIe Connector VCC
Pins 2-3:

Regulator 3.3V
J4 DS320PR421-3 VCC Pins 1-2 : PCIe Connector VCC
Pins 2-3:

Regulator 3.3V
J5 PCIe JTAG TRST 1-2: Edge Finger to PCIe-B
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-A
J6 PCIe JTAG TCK 1-2: Edge Finger to PCIe-B
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-A
J7 PCIe TDI 1-2: Edge Finger to PCIe-B
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-A
J8 PCIe TDO 1-2: Edge Finger to PCIe-B
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-A
J9 PCIe TMS 1-2: Edge Finger to PCIe-B
3-4 Edge Finger to PCIe A + B
5-6 Edge Finger to PCIe-A
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