Renesas H8/3847R Series Hardware Manual page 210

Section 6 ROM
Bit 5—Erase Setup (ESU)
This bit is to prepare for changing to erase mode. Set this bit to 1 before setting the E bit to 1 in
FLMCR1 (do not set SWE, PSU, EV, PV, E, and P bits at the same time).
Bit 5
ESU Description
0 The erase setup state is cancelled
1 The flash memory changes to the erase setup state. Set this bit to 1 before setting
the E bit to 1 in FLMCR1.
Bit 4—Program Setup (PSU)
This bit is to prepare for changing to program mode. Set this bit to 1 before setting the P bit to 1
in FLMCR1 (do not set SWE, ESU, EV, PV, E, and P bits at the same time).
Bit 4
PSU Description
0 The program setup state is cancelled
1 The flash memory changes to the program setup state. Set this bit to 1 before
setting the P bit to 1 in FLMCR1.
Bit 3—Erase-Verify (EV)
This bit is to set changing to or cancelling erase-verify mode (do not set SWE, ESU, PSU, PV, E,
and P bits at the same time).
Bit 3
EV Description
0 Erase-verify mode is cancelled
1 The flash memory changes to erase-verify mode
Rev. 6.00 Aug 04, 2006 page 172 of 680
REJ09B0145-0600
(initial value)
(initial value)
(initial value)