Table 1: Board Component Descriptions (cont'd)
Callout
Feature [U#] = Bottom
Notes
Schematic
Page
Number
20
PCI Express Endpoint Connectivity
,
PCI Express
®
16-lane connector (P1)
16-lane card edge connector
41
21
PCI Express Endpoint Connectivity
100
MHz REFCLK 1-to-2 clock buffer,
differential-to-LVDS [U94]
ICS ICS85411AMLF
14
22
10/100/1000 Mb/s Tri-speed Ethernet PHY
with RJ45, SGMII mode only, [U62], (P2)
TI DP83867ISRGZ with Wurth 7499111221A RJ45
(with magnetics)
37
23
integrated into P2 bezel
Wurth 7499111221A RJ45 integrated status LEDs
37
24
, USB bridge (U8) with
mini-B USB connector (J2) and 2x7 2 mm
prog. cable connector (J4)
FTDI FT4232HL bridge
Hirose ZX62D-AB-5P8 connector
Molex 87832-1420
34
25
I2C Bus, Topology, and Switches
topology: I2C bus MUX [U55], 16-bit
expansion port [U65]
TI PCA9544ARGYR
TI TCA6416APWR
35
26
I2C Bus, Topology, and Switches
topology: 2 x I2C bus MUX [U53, U54]
2 x TI TCA9548APWR
36
28
LEDs (DS2-DS9), active-High
Lumex SML-LX0603GW-TR
47
29
pushbutton, CPU reset (SW4),
active-High
E-Switch TL3301EF100QG
47
30
, program_B pushbutton, (SW2),
active-Low
E-Switch TL3301EF100QG
3
31
Samtec ASP_184329_01
42-46
32
Power Input
Connector, (J16)
2x6 Molex-39-30-1060
52
33
power input switch,
on/off slide switch (SW5)
C&K 1201M2S3AQE2
52
34
, power management
system (top and bottom)
Intersil power system
54-65
35
Monitoring Voltage and Current
, PMBus
2x3 R.A. male pin header (J1)
Amphenol 68021-406HLF
54
36
configuration mode DIP switch, (SW1)
4-pole CTS 218-4LPSTRF
3
37
PCI Express Endpoint Connectivity
, lane
width select header, (J46)
2x4 0.1-inch male header Sullins PBC36DAAN
41
38
, FPGA POR_OVERRIDE select
header, (J14)
1x3 0.1-inch male header Sullins PBC36SAAN
3
39
, FPGA VCCINT select header, (J25) 1x3 0.1-inch male header Sullins PBC36SAAN
54
40
, SYS CTLR RE-PROG header, (J43)
1x2 0.1-inch male header Sullins PBC36SAAN
50
The VCU128 board schematics are available for download from the
website.
Chapter 2: Board Setup and Configuration
UG1302 (v1.1) April 21, 2021
VCU128 Board User Guide
12