HD6432345 Datasheet, PDF (573/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

Bit 6—Software Write Enable Bit (SWE): Enables or disables flash memory programming.
SWE should be set before setting bits ESU, PSU, EV, PV, E, P, and EB9 to EB0, and should not
be cleared at the same time as these bits.
Bit 6
SWE
0
1
Description
Writes/erasing disabled
Writes/erasing enabled
[Setting condition]
When FWE = 1
(Initial value)
Bit 5 and 4—Reserved: Read-only bits, always read as 0.
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 FWE = 1 and SWE = 1
(Initial value)
Bit 2—Program-Verify (PV): Selects program-verify mode transition or clearing. Do not set the
SWE, ESU, PSU, EV, E, or P bit at the same time.
Bit 2
PV
0
1
Description
Program-verify mode cleared
Transition to program-verify mode
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
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