USB-KW019032 Freescale USB Dongle Development Board , User’s Guide, Rev. 0, 10/2015
12
Freescale Semiconductor, Inc.
USB-KW019032 development board
Figure 8. USB-KW019032 power management circuit
The green LED marked as D4 functions as a power indicator. For current measurements, you can isolate
the MKW01Z128
device through the SH19 cut-trace, and this will disable the VCC path (including LEDs).
4.2.4
USB-KW019032 board peripheral functions
The board includes two different MCUs, one dedicated to RF acquisition (MKW01Z128), and the second
one used as OpenSDA debugger and coprocessor (MK22FN512).
4.2.4.1
MKW01Z128
device peripheral
functions
The USB-KW019032 development board includes two push-buttons; one for general-purpose peripheral
functions to assist with implementing targeted applications, and the other dedicated to the
MKW01Z128
hardware reset.
The board also includes two LEDs; one for general purposes, and the other functioning as a power-on
indicator.
Figure 9
shows the push-buttons and LEDs for MKW01Z128 transceiver.
