Xilinx Arty A7 User Manual

22.8.2018 Arty A7 Reference Manual [Reference.Digilentinc]
https://reference.digilentinc.com/reference/programmable-logic/arty-a7/reference-manual 23/26
Pin Name Shield Function Arty A7 Connection
SCL I2C Clock See Section titled “Shield Digital I/O”
SDA I2C Data See Section titled “Shield Digital I/O”
SCLK () SPI Clock See Section titled “Shield Digital I/O”
MOSI () SPI Data out See Section titled “Shield Digital I/O”
MISO () SPI Data in See Section titled “Shield Digital I/O”
SS SPI Slave Select See Section titled “Shield Digital I/O”
A0-A5 Single-Ended
Analog Input
See Section titled “Shield Analog I/O”
A6-A11 Differential
Analog Input
See Section titled “Shield Analog I/O”
V_P, V_N Dedicated
Differential
Analog Input
See Section titled “Shield Analog I/O”
XGND XADC Analog
Ground
Connected to net used to drive the XADC ground reference on the FPGA (VREFN)
XVREF XADC Analog
Voltage Reference
Connected to 1.25 V, 25mA rail used to drive the XADC voltage reference on the FPGA
(VREFP)
N/C Not Connected Not Connected
IOREF Digital I/O
Voltage reference
Connected to the 3.3V Power Rail (See the “Power Supplies” section)
RST Reset to Shield Connected to the red “RESET” button and a Digital I/O of the FPGA. When JP2 is
shorted, it is also connected to the DTR signal of the FTDI USB-UART bridge.
3V3 3.3V Power Rail Connected to the 3.3V Power Rail (See the “Power Supplies” section)
5V0 5.0V Power Rail Connected to the 5.0V Power Rail (See the “Power Supplies” section)
GND (), G Ground Connected to the ground plane
VIN Power Input Connected in parallel with the external power supply connector (J13). See the “Power
Supplies” section for information on powering the Arty A7 from this pin.
The pins connected directly to the FPGA can be used as general purpose inputs or outputs. These pins include the I2C, SPI, and general
purpose I/O pins. There are 200 Ohm series resistors between the FPGA and the digital I/O pins to help provide protection against
accidental short circuits. The absolute maximum and recommended operating voltages for these pins are outlined in the table below.
Absolute
Minimum Voltage
Recommended Minimum
Operating Voltage
Recommended Maximum
Operating Voltage
Absolute
Maximum Voltage
Powered -0.4 V -0.2 V 3.4 V 3.75 V
Unpowered -0.4 V N/A N/A 0.55 V
11.1 Shield Digital I/O

Xilinx Arty A7 Specifications

General

Brand	Xilinx
Model	Arty A7
Category	Motherboard
Language	English