SH7050 Datasheet, PDF (619/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Section 19 ROM (256 kB Version)
Bit 7—Flash Memory Error (FLER): Indicates that an error has occurred during an operation on
flash memory (programming or erasing). When FLER is set to 1, flash memory goes to the error-
protection state.
Bit 7:
FLER
0
1
Description
Flash memory is operating normally.
Flash memory program/erase protection (error protection) is disabled.
[Clearing condition]
Reset or hardware standby mode
An error has occurred during flash memory programming/erasing.
Flash memory program/erase protection (error protection) is enabled.
[Setting condition]
See section 19.8.3, Error Protection.
(Initial value)
Bit 6—Reserved: This bit is always read as 0.
Bit 5—Erase Setup Bit 2 (ESU2): Prepares for a transition to erase mode (applicable addresses:
H'20000 to H'3FFFF). Do not set the PSU2, EV2, PV2, E2, or P2 bit at the same time.
Bit 5:
ESU2
0
1
Description
Erase setup cleared
Erase setup
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
Bit 4—Program Setup Bit 2 (PSU2): Prepares for a transition to program mode (applicable
addresses: H'20000 to H'3FFFF). Do not set the ESU2, EV2, PV2, E2, or P2 bit at the same time.
Bit 4:
PSU2
0
1
Description
Program setup cleared
Program setup
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
Rev. 5.00 Jan 06, 2006 page 599 of 818
REJ09B0273-0500