h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 569
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
- Current page: 569 of 766
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Figure 19.3 shows the operation flow for boot mode and figure 19.4 shows that for user program
mode.
Table 19.1 Differences between Boot Mode and User Program Mode
Note:
Entire 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
with on-chip ROM
FWE = 1
User mode
enabled
not accessing the flash memory.
1. RAM emulation possible
2. MD0 = 0, MD1 = 0, MD2 = 0, FWE = 1, P14 = 0, P16 = 0, PF0 = 1
On-board programming mode
program mode
FWE = 0
Figure 19.2 Flash Memory State Transitions
User
MD1 = 1,
MD2 = 1,
FWE = 0
MD1 = 1,
MD2 = 1,
FWE = 1
*
RES = 0
Boot Mode
Yes
No
Program/program-verify
1
*
1
RES = 0
MD1 = 0
MD2 = 1,
FWE = 1
Reset state
Boot mode
RES = 0
Rev. 2.00 Dec. 05, 2005 Page 531 of 724
*
2
User Program Mode
Yes
Yes
Program/program-verify/erase/
erase-verify/emulation
RES = 0
Programmer
mode
REJ09B0200-0200
Section 19 ROM
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