10/100/1000 Ethernet - Altera Cyclone III Reference Manual

Communication Ports & Interface Cards
Table 2–43. FTDI Interface Component Reference and Manufacturing Information
Board
Description
Reference
U8 FTDI USB device
2–48
Cyclone III Development Board
Table 2–42. FTDI USB PHY Interface I/O (Part 2 of 2)
Signal Names
FIFO data bus TX enable
USB_TXEn
EEPROM select
USB_EECS
EEPROM clock
USB_EESK
EEPROM dData
USB_EEDATA
USB PHY +
USB_DP
USB PHY -
USB_DM
Reset in
USB_RSTn
Reset out
USB_RSTOUTn
6 MHz crystal input
USB_XTIN
6 MHz crystal output
USB_XTOUT
Power enable
USB_PWRENn
Send immediate / wake up
USB_SI_WU
5 V core power
VCC
I/O power
VCCIO
Analog power
AVCC
Analog ground
AGND
Ground
GND
Note to Table 2–42:
(1) The FTDI USB 2.0 device uses 3.3 V LVTTL levels driving into 2.5 V I/O banks on
the MAX II CPLD.
Table 2–43 lists the FTDI USB interface component reference and
manufacturing information.
Manufacturer
FTDI Ltd.

10/100/1000 Ethernet

The 10/100/1000 Ethernet PHY port is provided using a dedicated
10/100/1000 base-T, auto-negotiating Ethernet PHY with reduced
Gigabit media independent interface (RGMII) to the FPGA. The target
Reference Manual
Description
2.5 V CMOS out
N/A
N/A
N/A
N/A
N/A
2.5 V CMOS output
2.5 V CMOS input
N/A
N/A
2.5 V CMOS input
2.5 V CMOS input
5.0 V (powered by USB host)
3.3 V
1.2 V
1.2 V
Ground
Manufacturing
Part Number
FT245BL
Type
(1)
(1)
(1)
(1)
(1)
Manufacturer
Web Site
www.ftdichip.com
Altera Corporation
March 2008