EVB-VF522R3 Platform User’s Guide, Rev. 0, 11/2014
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Freescale Semiconductor, Inc.
MCU reset block
Figure 10. On-board clock options
The MCU device also features two fully internal reference clocks (IRC):
•
Fast (24 MHz),
•
Slow (128 kHz); the signal is divided by 4 by default to provide an internal 32 kHz clock to the
device.
6
MCU reset block
The MCU reset block has the following features (see
•
Active-low open-drain output with status LED (DS2),
•
3.3V-based power-on reset with ~ 200ms active timeout (delay),
•
Manual reset (using SW7),
•
Reset caused by the JTAG TRST signal (see
