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78K0R - Cool it!
2. 78K0R - Cool it! system configuration
The 78K0R - Cool it! system configuration is given in the diagram below:
Figure 1: 78K0R - Cool it! system configuration
2.1 78K0R - Cool it!
78K0R – Cool it! is a demonstration kit for the 78K0R/KG3 16-bit microcontroller of the 78K0R family. The
demonstration board is connected to the host system via USB interface cable. The host system may be
used for On-Chip debugging by using the IAR C-SPY debugger and to allow execution of application
programs on 78K0R – Cool it! starterkit.
78K0R - Cool it! runs the microcontroller at 20 MHz operating speed. The sub-clock is provided with
32.768 kHz.
2.2 Host computer
The USB host interface enables communication to the 78K0R - Cool it! board. The µPD78F0731 78K0
8-Bit microcontroller with on-chip USB interface and the NEC virtual UART driver allows application
software to access the USB device in the same way as it would access a standard RS232 interface. The
NEC virtual UART driver appears to the windows system as an extra Com Port, in addition to any existing
hardware Com Ports.
2.3 Power supply via USB interface
The 78K0R - Cool it! is powered by the USB interface. Optional the power supply can be applied via
connector J3.
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User's Manual U18426EE1V0UM00
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