HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 573

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

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
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
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
Writes/erasing disabled
Writes/erasing enabled
[Setting condition]
When FWE = 1
Description
Erase-verify mode cleared
Transition to erase-verify mode
[Setting condition]
When FWE = 1 and SWE = 1
Description
Program-verify mode cleared
Transition to program-verify mode
[Setting condition]
When FWE = 1 and SWE = 1
(Initial value)
(Initial value)
(Initial value)
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