Pmod R2R
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Pmod R2R
Resistor Ladder D/A Converter
Features
- 8-bit digital-to-analog conversion
- Convert data at up to 25MHz
- Easy attachment of oscilloscopes to illustrate the data conversion process
- 2×6-pin Pmod port with GPIO interface
- Follows the Digilent Pmod Interface Specification Type 1
Electrical
Bus
GPIO
Specification Version
1.2.0
Logic Level
3.3V
Physical
Width
1.0 in (2.54 cm)
Length
0.80 in (2.03 cm)
J1 Pinout
Pin 1
D0
Pin 2
D1
Pin 3
D2
Pin 4
D3
Pin 5
GND
Pin 6
VCC
Pin 7
D4
Pin 8
D5
Pin 9
D6
Pin 10
D7
Pin 11
GND
Pin 12
VCC
The Digilent Pmod R2R (Revision B) is an 8-bit Digital-to-Analog converter. It may not look as sleek and professional as some of the other DACs that are out there, but on a fundamental level that is easy to see, this Pmod does exactly the same thing as its counterparts.
Example Projects
Microprocessor
- Using the Pmod R2R with Arduino Uno - Application note
Programmable Logic
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- Digilent Pmod IPs are only supported in Vivado and Xilinx SDK versions 2019.1 and earlier.
Additional Resources
- Specification Version 1.2.0: PDF