D12320VF25IV Datasheet, PDF (783/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 19 ROM
Bit 5—Erase Setup Bit (ESU): Prepares for a transition to erase mode. Do not set the SWE, PSU,
EV, PV, E, or P bit at the same time.
Bit 5
ESU
0
1
Description
Erase setup cleared
Erase setup
[Setting condition]
When SWE = 1
(Initial value)
Bit 4—Program Setup Bit (PSU): Prepares for a transition to program mode. Do not set the
SWE, ESU, EV, PV, E, or P bit at the same time.
Bit 4
PSU
0
1
Description
Program setup cleared
Program setup
[Setting condition]
When SWE = 1
(Initial value)
Bit 3—Erase-Verify (EV): Selects erase-verify mode transition or clearing. 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 SWE = 1
(Initial value)
Rev.6.00 Sep. 27, 2007 Page 751 of 1268
REJ09B0220-0600