h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 771

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 24.1 Differences between Boot Mode and User Program Mode
Note:
Total erase
Block erase
Programming control program *
FWE
FLSHE = 1
(on-chip ROM
=
User mode
1
enabled)
* Should be provided by the user, in accordance with the recommended algorithm.
On-board programming mode
FLSHE = 0
program
FWE
User
mode
=
0
Figure 24.2 Flash Memory State Transitions
Reset state
Boot mode
Boot Mode
Yes
No
Program/program-verify
*
1
*
2
RES
Notes: Only make a transition between user mode
Programmer
=
0
Rev. 3.00 Jan 25, 2006 page 719 of 872
mode
and user program mode when the CPU is not
accessing the flash memory.
1. FEW = 1, MD2 = MD1 = MD0 = 0
2. FEW = 1, MD2 = 1, MD1 = MD0 = 0, P92 = 0,
P91 = P90 = 1
User Program Mode
Yes
Yes
Program/program-verify
Erase/erase-verify
REJ09B0286-0300
Section 24 ROM