HD6432670 Hitachi, HD6432670 Datasheet - Page 789

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Note: Only in the H8S/2678 Series.
Table 19.1 Differences between Boot Mode and User Program Mode
Note: To be provided by the user, in accordance with the recommended algorithm.
FWE = 1, MD2 = 1,
SWE = 1
SWE = 1
Total erase
Block erase
Programming control program*
Notes: Only make a transition between user mode and user program mode when the CPU is
*1
*2
(on-chip ROM
User mode
enabled)
not accessing the flash memory.
*
*
1 Only in H8S/2678 series.
2 Only in H8S/2678R series.
FWE = 0, MD2 = 1,
On-board programming mode
SWE = 0
program mode
SWE = 0
Figure 19.2 Flash Memory State Transitions
User
*1
*2
Boot Mode
Yes
No
Program/program-verify Erase/erase-verify/program/
Reset state
Boot mode
MD0 = 0, MD1 = 0,
MD2 = 0, P50 = 0,
P51 = 0, P52 = 1
Yes
User Program Mode
Yes
program-verify emulation
Rev. 2.0, 04/02, page 743 of 906
= 0
Programmer
mode