J36
J291
LCD display and
touch screen
12V 5V
Shield 0,
Pmod 0 and
Pmod 1 I/O ref
5V3V3
Shield 1,
Pmod 2 and
Pmod 3 I/O ref
Shield 0,
Pmod 0 and
Pmod 1 power
Shield 1,
Pmod 2 and
Pmod 3 power
Figure 2-21 Shield and Pmod power and I/O reference voltage user-links
One user‑link selects 3V3 or 5V I/O operations for the Shield 0, Pmod 0, and Pmod 1 interfaces.
One user‑link selects 3V3 or 5V I/O operations for the Shield 1, Pmod 2, and Pmod 3 interfaces.
One user‑link selects 5V or 12V power for the Shield 0 interface.
One user‑link selects 5V or 12V power for the Shield 1 interface.
Caution
The maximum currents available at the power and reference pins are:
3V3/IOREF 1A maximum available for both Shields and all four Pmod interfaces.
5V/IOREF 1A maximum available for both Shields and all four Pmod interfaces.
12V 0.5A maximum available for both Shields.
See 1.3 Location of components on the MPS3 board on page 1-15 for the location of the user‑links.
Related information
A.2 Arduino Shield connectors on page Appx-A-76
A.3 Peripheral Module (Pmod) connectors on page Appx-A-80
1.3 Location of components on the MPS3 board on page 1-15
2 Hardware description
2.16 Arduino Shield and Pmod interfaces
100765_0000_04_en Copyright © 2017–2020 Arm Limited or its affiliates. All rights
reserved.
2-45
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