2 Specifications for USB Download Cable
The USB Download Cable has a universal USB connector that plugs into the PC USB
port, and a female connector that plugs into a male header on the device board. This
section shows the hardware components, their dimensions, and lists the pins,
operating conditions and power requirements.
2.1 Block Diagram and Dimension
Figure 1. Block Diagram of the USB Download Cable
USBInterface
Chip
EPM7064AETC44
I/Os
I/Os
V
CC (TRGT)
Pin 1
V
CC
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
USBVCC
USB
Receptacle
10-Pin
Female Plug
Voltage Translator
Circuitry
Figure 2. Dimension of the USB Download Cable
0.5 (1)
7.5 (1)
2.5
1.0
2.0
(1) Applies to Rev. B and Rev. C.
All Dimensions are in inches.
2.2 Cable-to-Board Connection
TheUSB Download Cable has a 10-pin female connector, which plugs into a 10-pin
male header on the device board. The male header consists of two rows of five pins,
which are connected to the programming or configuration pins of the device.
2 Specifications for USB Download Cable
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other countries. Other marks and brands may be claimed as the property of others. Intel warrants performance
of its FPGA and semiconductor products to current specifications in accordance with Intel's standard warranty,
but reserves the right to make changes to any products and services at any time without notice. Intel assumes
no responsibility or liability arising out of the application or use of any information, product, or service
described herein except as expressly agreed to in writing by Intel. Intel customers are advised to obtain the
latest version of device specifications before relying on any published information and before placing orders for
products or services.
ISO
9001:2008
Registered
A 10-pin surface mount header can be used for the JTAG, AS, or PS download cable.
However, Intel recommends using a through-hole connector because of the repeated
insertion and removal force needed.
Figure 3. Connectors and Dimensions
0.023 Sq .
0.235
0.100
Side View
0.100
Top View
Dimensions are in inches
10-pin Male Header
0.250 Typ.
0.700 Typ.
0.425 Typ.
0.100 Sq.
10
9
8
7
6
5
4
3
2
1
0.025 Sq.
Spacing between pin centers is 0.1 inches.
10-pin Female Connector
(Device Board)
2.3 Pin Description
The following table lists the pins of the USB Download Cable female plug and describes
their functions in the JTAG, active serial and passive serial modes.
Table 3. Signal Names of the USB Download Cable Female Plug
Pin AS Mode PS Mode JTAG Mode
Signal Name Description Signal Name Description Signal Name Description
1
DCLK
Clock signal.
DCLK
Clock signal.
TCK
Clock signal.
2
GND
Signal ground.
GND
Signal ground.
GND
Signal ground.
3
CONF_DONE
Configuration
done.
CONF_DONE
Configuration
done.
TDO
Data from
device.
4
V
CC(TRGT)
Target power
supplied by the
device board.
V
CC(TRGT)
Target power
supplied by the
device board.
V
CC(TRGT)
Target power
supplied by the
device board.
5
nCONFIG
Configuration
control.
nCONFIG
Configuration
control.
TMS
JTAG state
machine control.
6
nCE
Cyclone chip
enable.
7
DATAOUT
Active serial data
out.
nSTATUS
Configuration
status.
8
nCS
Serial
configuration
device chip
select.
9
ASDI
Active serial data
in.
DATA0
Data to device.
TDI
Data to device.
10
GND
Signal ground.
GND
Signal ground.
GND
Signal ground.
2 Specifications for USB Download Cable
Intel FPGA USB Download Cable User Guide
5
2.4 Operating Conditions
Use the provided maximum ratings, recommended operating conditions and DC
operating conditions to ensure the correct usage of the USB Download Cable.
Table 4. Absolute Maximum Ratings
Symbol Parameter Conditions Min Max Unit
V
CC(TRGT)
Target supply voltage With respect to ground –0.3 5.5 V
V
CC(USB)
USB supply voltage With respect to ground –0.5 6.0 V
I
I
Input current
TDO or dataout
–10.0 10.0 mA
I
o
Output current for Rev. A
or Rev. B cable
TCK, TMS, TDI, nCS, nCE
–20.0 20.0 mA
Output current for Rev. C
cable
–50.0 50.0 mA
Table 5. Recommended Operating Conditions
Symbol Parameter Conditions Min Max Unit
V
CC(TRGT)
Target supply voltage, 5.0-
V operation
4.75 5.25 V
Target supply voltage, 3.3-
V operation
3.0 3.6 V
Target supply voltage, 2.5-
V operation
2.375 2.625 mA
Target supply voltage, 1.8-
V operation
1.71 1.89 mA
Target supply voltage, 1.5-
V operation
1.43 1.57 mA
Table 6. DC Operating Conditions for USB Download Cable Rev. A and B
Symbol Parameter Conditions Min Max Unit
V
IH
High-level input
voltage
V
CC(TRGT)
– 0.2 V
V
IL
Low-level input
voltage
0.15 V
V
OH
5.0-V high-level
output voltage
V
CC(TRGT)
= 4.5 V, I
OH
= 1 mA 4.4 V
3.3-V high-level
output voltage
V
CC(TRGT)
= 3.0 V, I
OH
= 1 mA 2.9 V
2.5-V high-level
output voltage
V
CC(TRGT)
= 2.375 V, I
OH
= 1 mA 2.275 V
1.8-V high-level
output voltage
V
CC(TRGT)
= 1.71 V, I
OH
= 1 mA 1.61 V
1.5-V high-level
output voltage
V
CC(TRGT)
= 1.43 V, I
OH
= 1 mA 1.33 V
V
OL
5.0-V low-level
output voltage
V
CC(TRGT)
= 5.5 V, I
OL
= 1 mA 0.125 V
continued...
2 Specifications for USB Download Cable
Intel FPGA USB Download Cable User Guide
6

PL-USB2-BLASTER

Mfr. #:
Manufacturer:
Intel / Altera
Description:
Programmer Accessories USB 2.0 Prog Cable FPGA CPLD Ser Conf
Lifecycle:
New from this manufacturer.
Delivery:
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