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6.14. Oscillator Sources
All crystals are provided by Epson Electronics America. A crystal is fitted on the RDK and used to supply the main clock
to the Renesas microcontroller. Table 6-11 details the crystals that are fitted on the RX62N RDK.
6.15. Reset Circuit
The RX62N has an internal Reset on-board. Please check the reset requirements carefully to ensure the reset circuit
on the user's board meets all the reset timing requirements.
6.16. Total Phase Beagle Debug Header
The Beagle I2C/SPI Protocol Analyzer is a non-intrusive USB-based bus monitor that can capture, display, and filter I2C
and SPI data as it appears on the bus. Using both the Data Center Software and Beagle analyzer, users can easily view
I2C bus traffic (up to 4 MHz) and SPI bus traffic (up to 24 MHz) in real time. Additional functionality allows engineers to
filter data against a wide variety of parameters, or instantly search for specific hexadecimal or ASCII data patterns during
a live capture. The Beagle analyzer is fully supported on Windows, Linux, and Mac OS X, and comes with free software,
free APIs, free technical support, and free software/firmware upgrades.
Total Phase manufactures powerful and affordable USB, I2C, SPI, and CAN tools for embedded systems engineers. The
complete line of Total Phase host adapters and protocol analyzers are the development and debugging tools of choice for
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Component
Function
Crystal (X1)
CPU/USB Clock
Crystal (X2)
CPU/RTC Clock
Crystal (X3)
Ethernet Clock
Crystal (X4)
J-Link Lite System
Table 611: Oscillators / Resonators
17
Frequency
12 MHz
32.768 MHz
25 MHz
18.432 MHz
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