2–4
Chapter 2: MasterBlaster Serial/USB Communications Cable Data Sheet
Functional Description
Figure 2–2. MasterBlaster 10-Pin Female Plug Dimensions
0.425 Typ.
Color Strip
1
3
5
7
9
0.250 Typ.
2
4
6
8
10
0.100 Sq.
0.025 Sq.
0.700 Typ.
Dimensions are shown in inches. The spacing between pin centers is 0.1 inches.
Table 2–2 identifies the 10-pin female plug’s pin names for the corresponding
download mode.
Table 2–2. MasterBlaster Female Plug’s Pin Names & Download Modes
Pin
PS Mode
JTAG Mode
Signal Name
Description
Signal Name
Description
1
2
3
4
5
6
dclk
gnd
CONF_DONE
V CC
nCONFIG
V IO
Clock signal
Signal ground
Configuration control
Power supply
Configuration control
Reference voltage for
tck
gnd
tdo
V CC
tms
V IO
Clock signal
Signal ground
Data from device
Power supply
JTAG state machine control
Reference voltage for MasterBlaster output
MasterBlaster output driver
driver
7
8
9
10
nstatus
data0
gnd
Configuration status
No connect
Data to device
Signal ground
tdi
gnd
No connect
No connect
Data to device
Signal ground
Powering the MasterBlaster Cable
The MasterBlaster cable can receive power from the following sources:
5.0- or 3.3-V circuit boards
DC power supply
5.0 V from the USB cable
? July 2008 Altera Corporation
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