Altera Stratix V Advanced Systems Development Board Manuel d'utilisateur télécharger pdf (Page 23)

Chapter 2: Board Components 2–13

Configuration, Status, and Setup Elements

January 2014 Altera Corporation Stratix V Advanced Systems Development Board

Reference Manual

MAX II CPLD EPM570F100

The MAX II CPLD is dedicated to the on-board USB-Blaster II function. The CPLD

connects to the USB 2.0 PHY device on one side and drives the JTAG signals out the

other side through the general purpose I/O (GPIO) pins.

Table 2–5 lists the I/O signals present on the MAX II CPLD EPM570F100.

Table 2–5. MAX II CPLD On-Board USB-Blaster II I/O Signals

Schematic Signal Name Type Description

SC_RX

1.5-V CMOS output USB system console receive LED

SC_TX

1.5-V CMOS output USB system console transmit LED

JTAG_RX

1.5-V CMOS output USB-Blaster II JTAG receive LED

JTAG_TX

1.5-V CMOS output USB-Blaster II JTAG transmit LED

C_JTAG_TCK

2.5-V CMOS output GPIO for on-board JTAG chain clock

C_JTAG_TMS

2.5-V CMOS output GPIO for on-board JTAG chain mode

C_JTAG_TDI

2.5-V CMOS output GPIO for on-board JTAG chain data in

C_JTAG_TDO

2.5-V CMOS input GPIO for on-board JTAG chain data out

USB_CFG(14:0)

1.5-V CMOS input/output

Configuration data between the MAX V System

Controller and the on-board USB-Blaster II.

USB_CLK

2.5-V CMOS input USB System Console clock

USB_OEn

1.5-V CMOS input USB System Console FPGA output enable

USB_RESETn

1.5-V CMOS input USB System Console reset

USB_DATA(7:0)

1.5-V CMOS inout (8 bits) USB System Console FIFO data bus

USB_RDn

1.5-V CMOS input USB System Console read from FIFO

USB_WRn

1.5-V CMOS input USB System Console write to FIFO

USB_EMPTY

1.5-V CMOS output USB System Console FIFO empty

USB_FULL

1.5-V CMOS output USB System Console FIFO full

USB_ADDR(1:0)

1.5-V CMOS input/output USB System Console address bus

USB_SCL

1.5-V CMOS input/output USB System Console configuration clock

USB_SDA

1.5-V CMOS input/output USB System Console configuration data

FACTORY_REQUEST

1.5-V CMOS input Send FACTORY command

FACTORY_STATUS

1.5-V CMOS output FACTORY command status

M570_CLOCK

1.5-V CMOS input 25-MHz input clock for FACTORY command

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 83 84

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Altera Stratix V Advanced Systems Development Board Manuel d'utilisateur Page 23

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