Introduction
This quick guide documents the use of the ACS71240
daughterboard (TED-0002385) and the ASEK-20 (Part #85-
0540-004) with the Allegro ACS71240 samples program-
mer. The ASEK-20 chassis can be seen in Figure 1, and the
top and bottom layers of the ASEK-20 ACS1240 daughter-
board can be seen in Figure 2. See the Appendix section for
the ASEK71240 Daughterboard Schematic.
Figure 1: ASEK-20 Chassis
Figure 2: Top and Bottom Layers for ASEK-20
ACS71240 Daughterboard
ASEK71240-UM
MCO-0001132
Using Allegro ASEK-20 and ASEK71240 Daughterboard
with ACS71240 Samples Programmer
Downloading the Programmer
1. Register for software on the Allegro Software Portal:
https://registration.allegromicro.com/login.
2. Ensure that the ASEK-20 being used has the most recent
firmware downloaded. Refer to the ASEK-20 firmware
webpage
(https://registration.allegromicro.com/parts/
ASEK-20) and the ASEK-20 quick guide under "Sup-
port Files" on the ASEK-20 firmware webpage.
3. After registering and logging in to the software portal,
the dashboard page will be shown. Choose the "Find a
Part" button highlighted in Figure 3.
Figure 3: "Find a Part" button allowing the user to
register specific devices
4. Click "Find a Part" to go to the "Available Parts &
Software" page.
5. Search for "ACS71240" in the "Select by Part Number"
search bar shown in Figure 4.
Figure 4: "Select by Part Number" on the
Available Parts & Software page
6. Click "View" next to the ACS71240 search result as
shown highlighted in Figure 5.
User Manual
By Ryan Dunn,
Allegro MicroSystems
August 16, 2021
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