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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