HD64F3048VTF8 Datasheet, PDF (614/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 18 ROM (H8/3048F-ONE: Single Power Supply, H8/3048B Mask ROM Version)
Bit 5—Erase Setup Bit (ESU): Prepares for a transition to erase mode (applicable addresses:
H'00000 to H'1FFFF). Do not set the SWE, PSU, EV, PV, E, or P bit at the same time. Set this bit
to 1 before setting bit E to 1 in FLMCR1.
Bit 5: ESU
0
1
Description
Erase setup cleared
Erase setup
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
Bit 4—Program Setup Bit (PSU): Prepares for a transition to program mode (applicable
addresses: H'00000 to H'1FFFF). Do not set the SWE, ESU, EV, PV, E, or P bit at the same time.
Set this bit to 1 before setting bit P to 1 in FLMCR1.
Bit 4: PSU
0
1
Description
Program setup cleared
Program setup
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
Bit 3—Erase-Verify Bit (EV): Selects erase-verify mode transition or clearing (applicable
addresses: H'00000 to H'1FFFF). Do not set the SWE, ESU, PSU, PV, E, or P bit at the same time.
Bit 3: EV
0
1
Description
Erase-verify mode cleared
Transition to erase-verify mode
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
Rev. 3.00 Sep 27, 2006 page 586 of 872
REJ09B0325-0300