Rev. 5.00, 12/03, page 614 of 1088
17.13.3
Flash Memory Operating Modes
Mode Transitions: When the mode pins are set in the reset state and a reset-start is executed, the
chip enters one of the operating modes shown in figure 17-34. In user mode, flash memory can be
read but not programmed or erased.
Flash memory can be programmed and erased in boot mode, user program mode, and PROM
mode.
Boot mode
On-board programming mode
User
program mode
User mode
(on-chip ROM
enabled)
Reset state
Programmer mode
RES
= 0
SWE = 1
SWE = 0
*
Notes: Only make a transition between user mode and user program mode when the CPU is
not accessing the flash memory.
*
MD0 = 0, MD1 = 0, MD2 = 0, PF2 = 1, PF1 = 0, PF0 = 0
RES
= 0
RES
= 0
RES
= 0
MD1 = 1,
MD2 = 1
MD1 = 1,
MD2 = 0
Figure 17-34 Flash Memory Mode Transitions
Summary of Contents for H8S/2318 series
Page 2: ......
Page 6: ...Rev 5 00 12 03 page vi of xxx...
Page 12: ...Rev 5 00 12 03 page xii of xxx...
Page 30: ...Rev 5 00 12 03 page xxx of xxx...
Page 54: ...Rev 5 00 12 03 page 24 of 1088...
Page 98: ...Rev 5 00 12 03 page 68 of 1088...
Page 128: ...Rev 5 00 12 03 page 98 of 1088...
Page 138: ...Rev 5 00 12 03 page 108 of 1088...
Page 168: ...Rev 5 00 12 03 page 138 of 1088...
Page 212: ...Rev 5 00 12 03 page 182 of 1088...
Page 324: ...Rev 5 00 12 03 page 294 of 1088...
Page 436: ...Rev 5 00 12 03 page 406 of 1088...
Page 546: ...Rev 5 00 12 03 page 516 of 1088...
Page 580: ...Rev 5 00 12 03 page 550 of 1088...
Page 822: ...Rev 5 00 12 03 page 792 of 1088...
Page 876: ...Rev 5 00 12 03 page 846 of 1088...
Page 901: ...Rev 5 00 12 03 page 871 of 1088 A 2 Instruction Codes Table A 2 shows the instruction codes...
Page 1121: ...H8S 2319 Group H8S 2318 Group Hardware Manual REJ09B0089 0500O...