Table 3-1 USER I/O pin connections (continued)
Pin Signal I/O Description
Pin 8 Input 2 Input This is a user input bit. It has a 100K weak pull-up to the unit
internal +3.3V supply, and requires a V
ih(min)
of 2.0V and a
V
il(max)
of 0.8V. It can safely be driven by 5V logic levels, and has
Electro Static Discharge (ESD) protection greater than the 2kV
human body model.
This pin is not currently supported by the DSTREAM-ST firmware.
Pin 9 +3.3V Output This is intended as a voltage reference for external circuitry and is
current limited to approximately 50mA.
Pin 10 GND - -
Note
USER inputs are not currently supported by the DSTREAM-ST firmware and are reserved for future
use.
3 ARM
®
DSTREAM-ST USER Input/Output (IO) connections
3.1 About the USER I/O connector pinouts
ARM 100893_0100_00_en Copyright © 2017 ARM Limited or its affiliates. All rights reserved. 3-40
Non-Confidential
To Next Page
Loading...
