
5. Operating the R8C/Tiny Series (R5F21154)
The single-chip microcomputer R8C/15 Group incorporates flash memory. This section describes how to program and
erase a user application program in flash memory on the R5F21154 in the R8C/15 Group using the Flash Development
Toolkit and R8C/15 starter kit.
5.1 Flash Memory Programming Mode
Program flash memory as follows:
Programming mode: Standard serial input/output mode
Outline: Program the user ROM area using the dedicated serial programmer.
Programmable area: User ROM area
Operating mode: Boot mode
ROM programmer: Serial programmer
5.2 Connecting the CPU Board
The R8C/15 starter kit contains the following items:
USB cable
E8 emulator (R0E000080KCE00)
User system interface cable
CPU board (M3A-0115-CPU)
Connect the E8 emulator to a USB port on the host computer using the USB cable and the CPU board to the E8
emulator using the user system interface cable.
Install the Flash Development Toolkit on the host computer.
The CPU board connection is depicted in
Figure 5-1.
USB cable
Emulator E8
User system
interface cable
Host computer
Figure 5-1 Connecting the CPU Board
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