Altera Cyclone III FPGA, Reference Manual

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2–4 Reference Manual Altera Corporation
Cyclone III FPGA Starter Board October 2007
Board Overview
Table 2–1 describes the components and lists their corresponding board
references.
Table 2–1. Cyclone III FPGA Starter Board (Part 1 of 2)
Type
Component/
Interface
Board Reference Description Page
Featured Device
FPGA Cyclone III
device U1 EP3C25F324-C8, 324-pin FineLine BGA
(FBGA) package 2–5
User Interfaces
I/O Push-button
switches Button1–Button4, CPU
Reset, Reconfigure Four push-button switches for user-defined,
logic inputs. 2–13
I/O LEDs LED1–LED4,
Conf_Done, Link,
Power, Flash_CEN,
Load Four user-defined LEDs 2–14
Connections & Interfaces
I/O USB UART U8 USB interface to the Cyclone III device for
external FPGA configuration and
communication with applications running on
the FPGA. 2–8
Input HSMC
Connector J1 Header for connecting the HSMC interface. 2–9
Configuration & Reset
Input JTAG header J4 Jumper header to select which JTAG source
the board uses, i.e., the JTAG header
configuration or the USB JTAG configuration. 2–8
Input USB
connector J3 Type B USB Connector that allows for
connecting a Type A-B USB cable between a
PC and the board. 2–8
Display Configuration
done LED Conf_Done LED that illuminates when FPGA is
successfully configured. 2–14
Memory
Flash 16 Mbytes of
parallel flash
memory U6 16 Mbytes of non-volatile memory. 2–16
Display Flash LED LED that illuminates when the flash is being
accessed. N/A
SSRAM 1 Mbyte
high-speed
SSRAM U5 256K x 32 synchronous SRAM 2–20
DDR SDRAM 32-Mbyte
DDR SDRAM U4 4M x16 x 4 DDR SDRAM 2–18