hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 598

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Registers
FLMCR1—Flash Memory Control Register 1
Rev. 7.00 Mar 10, 2005 page 556 of 652
REJ09B0042-0700
Bit
Initial value
Read/Write


7
0
Software write enable bit
0 Writing/erasing disabled (initial value)
1 Writing/erasing enabled
SWE
R/W
6
0
Erase-Setup
0 Erase-setup cleared (initial value)
1 Erase setup
[Setting condition]
When SWE = 1
ESU
R/W
5
0
Program-Setup
0 Program-setup cleared (initial value)
1 Program setup
[Setting condition]
When SWE = 1
Erase-Verify
0 Erase-verify mode cleared (initial value)
1 Transition to erase-verify mode
PSU
R/W
Program-Verify
[Setting condition]
When SWE = 1
4
0
0 Program-verify mode cleared (initial value)
1 Transition to program-verify mode
[Setting condition]
When SWE = 1
Erase
0 Erase mode cleared (initial value)
1 Transition to erase mode
R/W
[Setting condition]
When SWE = 1 and ESU = 1
EV
Program
3
0
0 Program mode cleared (initial value)
1 Transition to program mode
H'F020
[Setting condition]
When SWE = 1 and PSU = 1
R/W
PV
2
0
R/W
E
1
0
Flash Memory
R/W
P
0
0