User Manual
21/02/2020 Pmod ToF Reference Manual [Reference.Digilentinc]
https://reference.digilentinc.com/reference/pmod/pmodtof/reference-manual?_ga=2.11378417.475818879.1582283268-1306234254.1582101049 7/9
A sample timing diagram for writing to and reading from the Pmod ToF taken from the ISL29501 datasheet
(https://reference.digilentinc.com/lib/exe/fetch.php?
tok=f281fe&media=https%3A%2F%2Fwww.renesas.com%2Feu%2Fen%2Fwww%2Fdoc%2Fdatasheet%2Fisl29501.pdf) are provided below:
Example single-byte write sequence to the Pmod ToF
(https://reference.digilentinc.com/_detail/reference/pmod/pmodtof/write.jpg?id=reference%3Apmod%3Apmodtof%3Areference-manual)
Example multi-byte read sequence from the Pmod ToF
(https://reference.digilentinc.com/_detail/reference/pmod/pmodtof/read.jpg?id=reference%3Apmod%3Apmodtof%3Areference-manual)
The pins on the pin header are spaced 100 mil apart. The PCB is 1.6 inches long on the sides parallel to the pins on the pin header and
0.8 inches long on the sides perpendicular to the pin header.
Digilent provides a Library to access Pmod ToF functionality with Digilent FPGA development boards. The Library can be found in the
Vivado Hierarchies (https://github.com/Digilent/vivado-hierarchies) GitHub repository.
A demo that allows communication with the Pmod ToF through UART is available in this GitHub Repository
(https://github.com/Digilent/ZyboZ7-20-PmodToF-Demo). Functions such as calibration and measure can be accessed by issuing commands
to the demo via a serial terminal application. Check the Zybo Z7-20 Pmod ToF Demo User Guide
(https://reference.digilentinc.com/reference/pmod/pmodtof/zynqlibraryuserguide) for more details.
The schematics of the Pmod ToF are available here (https://reference.digilentinc.com/_media/reference/pmod/pmodtof/pmodtof_sch.pdf).
Additional information about the Intersil distance sensor, including communication modes and specific timings of the chip can be found
in the “Documentation” area of the ISL29501 product page, found here (https://www.renesas.com/eu/en/products/sensors/proximity-
sensors/light-to-digital-sensors/device/ISL29501.html#documents).
Example code and more information on how to use the Pmod ToF can be found on its Resource Center
(https://reference.digilentinc.com/reference/pmod/pmodtof/start).
If you have any questions or comments about the Pmod ToF, feel free to post them under the Add-on Boards section of the Digilent
Forum (https://forum.digilentinc.com/forum/7-add-on-boards/).
pmod (https://reference.digilentinc.com/tag/pmod?do=showtag&tag=pmod), pmodtof (https://reference.digilentinc.com/tag/pmodtof?
do=showtag&tag=pmodtof), distance (https://reference.digilentinc.com/tag/distance?do=showtag&tag=distance), reference-manual
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Timing Diagram
Physical Dimensions
Software Libraries
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