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Configuration Mode and Upper Linear Flash Address Switch (SW11)
[Figure
FPGA Configuration Mode: The mode signals FPGA_M2, _M1, and _M0 are connected to FPGA
U1 pins AJ10, AK10, and AL10, respectively. Configuration mode is used at power-up or when the
PROG pushbutton is pressed.
Linear BPI Flash Upper Addresses: DIP switch SW11 positions 1 and 2 control the setting of
address bits FLASH_A25 and FLASH_A24.
Figure 1-22
X-Ref Target - Figure 1-22
Power On/Off Slide Switch SW12
[Figure
The VC709 board power switch is SW12. Sliding the switch actuator from the Off to On position
applies 12V power from J18, a 6-pin mini-fit connector. Green LED DS16 illuminates when the
VC709 board 12V power is on. See
The VC709 evaluation kit provides the adapter cable shown in
board from the ATX power supply 4-pin peripheral connector. The Xilinx part number for this cable
is 2600304, and is equivalent to Sourcegate Technologies part number AZCBL-WH-1109. For
information on ordering this cable, see
VC709 Evaluation Board
UG887 (v1.6) March 11, 2019
1-2, callout 20]
shows the SW11 circuit.
FLASH_A25
FLASH_A24
FPGA_M2
FPGA_M1
FPGA_M0
R396
1.21kΩ
0.1 W
1%
R397
1.21kΩ
0.1 W
1%
GND
Figure 1-22: Configuration Mode and Upper Linear Flash Address Switch
1-2, callout 21]
Do NOT plug a PC ATX power supply 6-pin connector into J18 on the VC709 board.
Caution!
The ATX 6-pin connector has a different pinout than J18. Connecting an ATX 6-pin connector
into J18 damages the VC709 board and voids the board warranty.
www.xilinx.com
VCC2V5
SW11
ON
10
9
8
7
6
SDA05H1SBD
R398
R400
1.21kΩ
1.21kΩ
0.1 W
0.1 W
1%
1%
R399
1.21kΩ
0.1 W
1%
Power Management
for details on the onboard power system.
Figure 1-23
[Ref
21].
Feature Descriptions
R401
R402
220Ω
220Ω
0.1 W
0.1 W
1%
1%
1
2
3
4
5
UG887_c1_27_090612
for powering the VC709
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