![Altera Stratix II GX EP2SGX90 Скачать руководство пользователя страница 14](http://html.mh-extra.com/html/altera/stratix-ii-gx-ep2sgx90/stratix-ii-gx-ep2sgx90_reference-manual_2910921014.webp)
2–4
Reference Manual
Altera Corporation
Stratix II GX EP2SGX90 Transceiver Signal Integrity Development Board
May 2006
Board Overview
Table 2–1
describes the components and lists their corresponding board
references.
Table 2–1. Stratix II GX Transceiver SI Development Board Components & Interfaces (Part 1 of 3)
Type
Component/
Interface
Board
Reference
Description
Page
Featured
Device
FPGA
Stratix II GX
device
U20
EP2SGX90EF1152C3NES or EP2SGX90EF35C3NES
User
Interfaces
I/O
Push-button
switches
S1-S6
Six push-button switches for user-defined, logic inputs.
I/O
DIP switch
S7
Eight toggle DIP switches for user-defined, logic inputs.
I/O
LEDs
D1-D8
Eight user-defined LEDs
I/O
Dual seven-
segment
display
D9, D10
Dual seven-segment display
I/O
Slide switch
S9
Double-pole, single-throw slide switch for selecting
between the 156.25 MHZ oscillator and the SMA external
clock inputs to supply the clocks to the three quad
transceivers.
I/O
DIP switch
S8
Eight toggle DIP switches for selecting PCIe clock speed,
PCIe clock spread-spectrum setting, and the output enable
of the clocks to the three quad transceivers.
Debugging Interfaces
I/O
Debug header J1
A twenty-pin connector that is connected to 20 general I/Os
on the FPGA.
Connections & Interfaces
I/O
USB UART
U2, J2
USB interface to the Stratix II GX device for device
configuration and communication with applications running
on the device.
I/O
SMA transmit
and receive
connectors
J26-J49
SMA connectors with the transmit and receive signals from
the quad transceivers
Configuration & Reset
Input
Connector
J23
Header for programming the EPCS64 serial configuration
device.
Input
Connector
J24
Header for configuring the Stratix II GX device.
Input
Jumper
header
J25
Jumper header to select which JTAG source the board
uses, i.e., the JTAG header configuration or the USB JTAG
configuration.