2–2
Chapter 2: USB-Blaster Specifications
USB-Blaster Connections
Table 2–1. USB-Blaster VCC(TRGT) Pin Voltage Requirements (Part 2 of 2)
Device Family
Cyclone II, Cyclone,
APEX II, APEX 20K,
and Mercury devices
FLEX 10K, FLEX 8000,
and FLEX 6000
devices
FLEX 10KE device
FLEX 10KA and FLEX
6000A devices
EPC2 devices
EPC4, EPC8, and
EPC16 devices
EPCS1, EPCS4,
USB-Blaster VCC Voltage Required
As specified by V CCIO
5V
2.5 V
3.3 V
5 V or 3.3 V
3.3 V
3.3 V
EPCS16, EPCS64, and
EPCS128 devices
Cable-to-Board Connection
A standard USB cable connects to the USB port on the device. Figure 2–1 shows a
block diagram of the USB-Blaster download cable.
Figure 2–1. USB-Blaster Block Diagram
USBVCC
USB
VCC
USB Interface
Chip
EPM7064AETC44
Voltage Translator
Circuitry
Pin 1
10-Pin
Female Plug
VC C (TRGT)
Receptacle
I/Os
I/O
I/O
I/O
I/Os
I/O
I/O
I/O
I/O
I/O
? April 2009 Altera Corporation
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