© April 2009 Altera Corporation USB-Blaster Download Cable User Guide
2. USB-Blaster Specifications
Overview
This chapter provides comprehensive information about the USB-Blaster
™
download
cable including the following:
■ “USB-Blaster Connections” on page 2–1
■ “Voltage Requirements” on page 2–1
■ “Cable-to-Board Connection” on page 2–2
■ “USB-Blaster Plug Connection” on page 2–3
■ “Circuit Board Header Connection” on page 2–4
■ “Operating Conditions” on page 2–5
■ “USB-Revision” on page 2–7
■ “Statement of China-RoHS Compliance” on page 2–8
USB-Blaster Connections
The USB-Blaster cable has a USB universal plug that connects to the PC USB port, and
a 10-pin female plug that connects to the circuit board. Data is downloaded from the
USB port on the PC through the USB-Blaster cable to the circuit board via the
connections discussed in this section.
Voltage Requirements
The USB-Blaster VCC(TRGT) pin must be connected to a specific voltage for the
device being programmed. Connect pull-up resistors to the same power supply as the
USB-Blaster V
CC(TRGT).
See Table 2–1.
Table 2–1. USB-Blaster VCC(TRGT) Pin Voltage Requirements (Part 1 of 2)
Device Family USB-Blaster VCC Voltage Required
MAX
®
II devices As specified by V
CCIO
of Bank 1
MAX 7000S device 5 V
MAX 7000AE and
MAX 3000A devices
3.3 V
MAX 7000B devices 2.5 V
Arria II GX devices As specified by V
CCPD or
V
CCIO
of Bank 8C
Stratix III and
Stratix IV devices
As specified by V
CCPGM
or V
CCPD
Cyclone
®
III devices As specified by V
CCA
or V
CCIO
Stratix II, Stratix,
Stratix II GX, Stratix
GX, and Arria GX
devices
As specified by V
CCSEL
