© July 2008 Altera Corporation ByteBlaster II Download Cable User Guide
2. ByteBlaster II Specifications
Overview
This chapter provides comprehensive information about the ByteBlaster
™
II
download cable, including the following:
■ ByteBlaster II connections
■ Voltage requirements
■ Cable-to-board connection
■ ByteBlaster II 25-pin header connection
■ ByteBlaster II 10-pin header connection
■ Circuit board header connection
■ Operating conditions
ByteBlaster II Connections
The ByteBlaster II cable has a 25-pin male header parallel printer plug that connects to
the PC, and a 10-pin female plug that connects to the circuit board. Data is
downloaded from the parallel printer port on the PC through the ByteBlaster II cable
to the circuit board.
Voltage Requirements
The ByteBlaster II V
CC(TRGT)
pin must be connected to a specific voltage for the device
that is being programmed. Connect pull-up resistors to the same power supply as the
ByteBlaster II V
CC(TRGT)
. Refer to Table 2–1 for voltage requirements for specific device
families.
Table 2–1. ByteBlaster II V
CC(TRGT)
Pin Voltage Requirements (Part 1 of 2)
Device Family ByteBlaster II VCC Voltage Required
MAX
®
II devices As specified by VCCIO of Bank 1
MAX 7000S devices 5 V
MAX 7000AE and MAX 3000A devices 3.3 V
MAX 7000B device 2.5 V
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 VCCSEL
Cyclone II, Cyclone, APEX
™
II, APEX 20K, and Mercury
™
devices As specified by VCCIO
FLEX 10K
®
, FLEX 8000, and FLEX 6000 devices 5 V
FLEX 10KE devices 2.5 V
FLEX 10KA and FLEX 6000A devices 3.3 V
EPC2 5 V or 3.3 V
