Hardware Features - Boreas Technologies BOS1901-KIT-B02 User Manual

BOS1901-KIT
User Guide
9.2

Hardware Features

In this section, we will discuss the various hardware configurations. Except for section 9.2.1, it is
assumed that the microcontroller section and the driver section have not been separated.
Some functionality in this section requires modifications to the PCB and requires a soldering iron.
Disconnect the supply before making any changes to the board.
9.2.1 Breakable Driver Section
The use of the breakable units with custom-made firmware is done at the user's own risk of causing
damage beyond repair to the BOS1901 circuit. Boréas Technologies will not be held responsible.
One way to integrate a BOS1901 is to break the driver section and connect it to your development
platform. A few strokes using an exacto knife on the dotted line will help to split the PCB.
Each breakable PCB contains a BOS1901 that can be used alone with a user-preferred development
platform. All signals need to be connected to your development platform.
Table 11: Breakable Driver Section signals
Signal
GND
VDDIO
SCK
MOSI
CS
MISO
VBUS
Refer to BOS1901 datasheet for a complete description on how to use and program the circuit.
BT001DDK04.01 – Issue 1
Figure 19: Breakable section location
Description
0 V reference
Digital IO power supply
SPI Clock signal
SPI Master Out/Slave In signal
SPI Chip Select signal
SPI Master In/Slave Out signal
Main power supply for the BOS1901
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Constraint
Digital signals voltage domain. Must be between
1.62 V and 5.5 V.
Active low signal
Supply voltage between 3.0 V and 5.5 V with at least
500 mA current drive.
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