HD6473032F16 Datasheet, PDF (599/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 18 ROM
Bit 6—Software Write Enable Bit 2 (SWE2): Enables or disables flash memory programming
and erasing (applicable addresses: H'40000 to H'7FFFF). Set this bit when setting bits 5 to 0 and
bits 7 to 4 of EBR2.
Bit 6: SWE2
Description
0
Writes disabled
1
Writes enabled^*
[Setting condition]
When FWE = 1
Note: * Do not execute a SLEEP instruction while the SWE2 bit is set to 1.
(Initial value)
Bit 5—Erase Setup Bit 2 (ESU2): Prepares for a transition to erase mode (applicable addresses:
H'40000 to H'7FFFF). Set this bit to 1 before setting bit E2 to 1 in FLMCR2. 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 SWE2 = 1
(Initial value)
Bit 4—Program Setup Bit 2 (PSU2): Prepares for a transition to program mode (applicable
addresses: H'40000 to H'7FFFF). Set this bit to 1 before setting bit P2 to 1 in FLMCR2. 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 SWE2 = 1
(Initial value)
Rev. 3.00 Mar 21, 2006 page 569 of 814
REJ09B0302-0300