h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 509

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Table 19.1 Differences between Boot Mode and User Program Mode
(1) Erase/erase-verify
(2) Program/program-verify
(3) Emulation
Note:
Total erase
Block erase
Programming control program *
*
To be provided by the user, in accordance with the recommended algorithm.
Notes: Only make a transition between user mode and user program mode when the CPU is
FWE = 1
(on-chip ROM
User mode
enabled)
not accessing the flash memory.
1. RAM emulation possible
2. This LSI transits to programmer mode by using the dedicated PROM programmer.
On-board programming mode
program mode
FWE = 0
Figure 19.2 Flash Memory State Transitions
*
User
1
MD1 = 1,
MD2 = 1,
FWE = 0
MD1 = 1,
MD2 = 1,
FWE = 1
*
RES = 0
1
Boot Mode
Yes
No
(2)
RES = 0
MD2 = 0,
MD1 = 1,
FWE = 1
Reset state
Boot mode
RES = 0
Rev. 3.00 Oct 04, 2005 page 469 of 598
*
User Program Mode
Yes
Yes
(1) (2) (3)
2
RES = 0
Programmer
mode
REJ09B0155-0300
Section 19 ROM