SH7014 Datasheet, PDF (712/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Appendix A On-Chip Supporting Module Registers
FLASH
Flash Memory Control Register 1 (FLMCR1)
H'FFFF8580
8
Bit
Item
7
6
5
4
3
2
1
0
Bit name FWE
SWE
ESU
PSU
EV
PV
E
P
Initial value
1/0
0
0
0
0
0
0
0
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit
Name
Value
Description
7
Flash Write Enable Bit (FWE)
0 When a low level is input to the FWP pin
(hardware-protected state)
1 When a high level is input to the FWP pin
6
Software Write Enable Bit (SWE)
0 Writes disabled
(initial value)
1 Writes enabled
Setting condition: When FWE = 1
5
Erase Setup Bit (ESU)
0 Erase setup cleared
(initial value)
1 Erase setup
Setting condition: When FWE = 1 and SWE = 1
4
Program Setup Bit (PSU)
0 Program setup cleared
(initial value)
1 Program setup
Setting condition: When FWE = 1 and SWE = 1
3
Erase-Verify (EV)
0 Erase-verify mode cleared
(initial value)
1 Transition to erase-verify mode
2
Program-Verify (PV)
0 Program-verify mode cleared
(initial value)
1 Transition to program-verify mode
Setting condition: When FWE = 1 and SWE = 1
1
Erase (E)
0 Erase mode cleared
(initial value)
1 Transition to erase mode
Setting condition: When FWE = 1, SWE = 1, and ESU
=1
0
Program (P)
0 Program mode cleared
(initial value)
1 Transition to program mode
Setting condition: When FWE = 1, SWE = 1, and PSU
=1
Rev.5.00 Sep. 27, 2007 Page 678 of 716
REJ09B0398-0500