3069RF-ZTAT Datasheet, PDF (873/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

FCCS—Flash Code Control Status Register
Bit
Initial value
Read/Write
7
FWE
1/0
R
6
5
0
0
R
R
Reserved bits
4
FLER
0
R
H'EE0B0
Flash Memory
3
2
1
0
0
0
R
R
R
Reserved bits
0
SCO
0
(R)/W
Source program copy operation
0 On-chip programming/erase control program is
not downloaded to on-chip RAM (Initial value)
[Clearing condition] When download has finished
1 ^{Request to download on-chip programming/erase}
control program to on-chip RAM is generated
[Setting conditions] When 1 is written while all of
the following conditions are satisfied
• H'A5 is written to FKEY
• Program being executed is in on-chip RAM
• Not in RAM emulation mode (RAMS in RAMER
is 0)
Flash memory error
0 Flash memory operates normally.
Program/erase protection (error protection) for flash memory is disabled.
[Clearing condition] Power-on reset or in hardware standby mode
1 Erroe occurred during programming/erasing of flash memory.
Program/erase protection (error protection) for flash memory is enabled.
[Setting conditions] See section 18.6.3, Error Protection
Flash write enable
0 Low level is input to FWE pin (hardware-protection state)
1 High level is input to FWE pin
Rev. 5.0, 09/04, page 851 of 978