Renesas H8SX/1648 - Manual (Page 19)

Chapter 7. Modes
This RSK supports Boot mode, User mode, MCU Extension Mode (ROM Active) and Single Chip mode.
Details of programming the FLASH memory is described in the H8SX/1648 Group Hardware Manual.
7.1. Boot mode
The boot mode settings for this RSK are shown in Table 7-1: Boot Mode pin settings below:
EMLE MD2 MD1 MD0 LSI State after Reset End
0 0 1 0 Boot Mode
Table 7-1: Boot Mode pin settings
The software supplied with this RSK supports debugging with E10A which does not need Boot mode. To enter Boot mode manually, do not
connect the E10A. Press and hold the SW1/BOOT. The BOOT LED will be illuminated to indicate that the microcontroller is in boot mode.
7.2. User boot mode
Refer to H8SX/1648 Group Hardware Manual for details of User Boot Mode. The user mode settings for this RSK are shown in Table 7-2:
user Mode pin settings below:
EMLE MD2 MD1 MD0 LSI State after Reset End
0 0 0 1 User Boot Mode
Table 7-2: User Mode pin settings
7.3. User Extension mode (ROM Active)
Refer to H8SX/1648 Group Hardware Manual for details of User Program Mode. The User Program Mode settings for this RSK are shown
in Table 7-3: User Program Mode pin settings below:
EMLE MD2 MD1 MD0 LSI State after Reset End
0 1 1 0 MCU Extension Mode (ROM Active)
Table 7-3: MCU Extension Mode (ROM Active) pin settings
7.4. Singe chip mode
This is default operating mode of this RSK. Refer to H8SX/1648 Group Hardware Manual for details of Single chip mode. The Single chip
mode settings for this RSK are shown in Table 7-4: Single chip mode pin settings below:
EMLE MD2 MD1 MD0 LSI State after Reset End
0 1 1 1 Single chip Mode
Table 7-4: Single chip Mode pin settings
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