H8S39 Datasheet, PDF (1465/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Appendix B Internal I/O Register
FLMCR1—Flash Memory Control Register 1
Bit
Initial value
Read/Write
7
FWE
⎯*
R
6
SWE
0
R/W
5
ESU
0
R/W
4
PSU
0
R/W
H'FFA8
3
2
EV
PV
0
0
R/W R/W
Flash Memory
1
0
E
P
0
0
R/W R/W
Erase
0 Erase mode cleared
1 Transition to erase mode
[Setting condition]
• When FWE = 1, SWE = 1, and ESU = 1
Program-Verify
0 Program-verify mode cleared
1 Transition to program-verify mode
[Setting condition]
• When FWE = 1 and SWE = 1
Erase-Verify
0 Erase-verify mode cleared
1 Transition to erase-verify mode
[Setting condition]
• When FWE = 1 and SWE = 1
Program Setup
0 Program setup cleared
1 Program setup
[Setting condition]
• When FWE = 1 and SWE = 1
Erase Setup
0 Erase setup cleared
1 Erase setup
[Setting condition]
• When FWE = 1 and SWE = 1
Software Write Enable Bit
0 Writes disabled
1 Writes enabled
[Setting condition]
• When FWE = 1
Flash Write Enable Bit
0 When a low level is input to the FWE pin (hardware-protected state)
1 When a high level is input to the FWE pin
Program
0 Program mode cleared
1 Transition to program mode
[Setting condition]
• When FWE = 1, SWE = 1, and PSU = 1
Note: * Determined by the state of the FWE pin.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 1415 of 1458