Renesas Hitachi H8S/2194 Series Hardware Manual page 159

Bit 6: Software Write Enable (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 Description
0 Writes are disabled
1 Writes are enabled
[Setting condition] Setting is available when FWE = 1 is selected
Bit 5 and 4: Reserved
These bits cannot be modified and are 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 Description
0 Erase-verify mode cleared
1 Transition to erase-verify mode
[Setting condition] Setting is available when FWE = 1 and SWE = 1 are selected
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 Description
0 Program-verify mode cleared
1 Transition to program-verify mode
[Setting condition] Setting is available when FWE = 1 and SWE = 1 are selected
Rev. 2.0, 11/00, page 132 of 1037
(Initial value)
(Initial value)
(Initial value)