Renesas H8SX/1668R - Manual (Page 22)

Chapter 8. Programming Methods
The board is intended for use with HEW and the supplied E10A debugger. Refer to H8SX/1668R Group Hardware Manual for details of
programming the microcontroller without using these tools. Please note that to use E10A debugger, jumper E10A_EN (J15) must be
fitted.
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