Technical information

Section 1 Product Overview
Rev. 1.10 Apr. 04, 2008 Page 10 of 56
REJ10J1783-0110
(a) External power LED: Marked ‘BOARD POWER’. This LED is lit while external power is being
supplied from the power cable or from the user system to the PVCC pin
of the MCU.The source of the power supply is determined by the
setting of the power-selection switch.
(b) User VCC LED: Marked ‘USER VCC’. This LED is lit while power is being supplied from
the user system to the VCC pin of the MCU.
(c) User AVCC LED: Marked ‘USER AVCC’. This LED is lit while power is being supplied
from the user system to the AVCC pin of the MCU.
(d) Reset LED: Marked ‘RST’. This LED is lit while the reset signal is being input to the
MCU.
Top of the Main Unit of the Debugging MCU Board (2)
Figure 1.4 Top of the Main Unit of the Debugging MCU Board (2)