h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 721
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
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FWE = 1
Notes: In order to perform a normal read of flash memory, SWE must be cleared to 0. Also note that verify-reads
Software programming
programming mode
disable state
Normal mode
On-board
can be performed during the programming/erasing process.
1.
2. Do not make a state transition by setting or clearing multiple bits simultaneously.
3. After a transition from erase mode to the erase setup state, do not enter erase mode without passing
4. After a transition from program mode to the program setup state, do not enter program mode without
through the software programming enable state.
passing through the software programming enable state.
FWE = 0
: Normal mode
*1
Figure 20.10 FLMCR1 Bit Settings and State Transitions
SWE = 0
SWE = 1
programming
*2
Software
enable
state
: On-board programming mode
ESU = 1
PV = 0
PSU = 0
EV = 1
PSU = 1
EV = 0
PV = 1
ESU = 0
Rev. 5.00 Sep 22, 2005 page 695 of 1136
Program-verify
Erase-verify
Erase setup
setup state
Program
mode
mode
state
*3
*4
E = 1
E = 0
P = 1
P = 0
REJ09B0257-0500
Section 20 ROM
Program mode
Erase mode
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