h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 1111
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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FLMCR1—Flash Memory Control Register 1
Bit
Initial value
Read/Write
Note: * Determined by the state of the FWE pin.
Flash Write Enable Bit
0
1
Software Write Enable Bit
When a low level is input to the FWE pin (hardware-protected state)
When a high level is input to the FWE pin
0
1
Erase Setup Bit
Writes disabled
Writes enabled
[Setting condition]
When FWE = 1
0
1
Program Setup Bit
Erase setup cleared
Erase setup
[Setting condition]
When FWE = 1 and SWE = 1
0
1
FWE
—*
R
7
Program setup cleared
Program setup
[Setting condition]
When FWE = 1 and SWE = 1
Erase-verify
0
1 Transition to erase-verify mode
Program-Verify
Erase-verify mode cleared
[Setting condition]
When FWE = 1 and SWE = 1
0
1
Erase
0
1
Program-verify mode cleared
Transition to program-verify mode
[Setting condition]
When FWE = 1 and SWE = 1
SWE
R/W
6
0
Erase mode cleared
Transition to erase mode
[Setting condition]
When FWE = 1, SWE = 1, and ESU = 1
ESU
R/W
5
0
PSU
R/W
4
0
Rev. 5.00 Sep 22, 2005 page 1085 of 1136
R/W
H'FFA8
EV
3
0
Program
0
1
Appendix B Internal I/O Register
Program mode cleared
Transition to program mode
[Setting condition]
When FWE = 1, SWE = 1, and PSU = 1
R/W
PV
2
0
R/W
E
1
0
REJ09B0257-0500
Flash Memory
R/W
P
0
0
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