Rev. 1.0, 02/00, page 135 of 1141
Bit 6
Software Write Enable 2 (SWE2): Enables or disables flash memory programming
(target address range: H'40000 to H'47FFF). SW2 should be set when setting bits 5 to 0 and bits 7
to 4 in EBR2.
Bit 6
SWE2
Description
0
Writes are disabled
(Initial value)
1
Writes are enabled
[Setting condition]
Setting is available when FWE=1 is selected
Bit 5
Erase Set-up 2 (ESU2): Prepares for erase mode. (Target address range: H'40000 to
H'47FFF). Do not set the PSU2, EV2, PV2, W2, P2 bits at the same time.
Bit 5
ESU2
Description
0
Erase set-up cleared
(Initial value)
1
Transition to erase set-up mode
[Setting condition]
Setting is enabled when FWE=1 and SW2=1 are selected
Bit 4
Program Set-up 2 (PSU2): Prepares for program mode (Target address rang: H'40000 to
H'47FFF). Do not set the ESU2, EV2, PV2, E2, P2 bits at the same time.
Bit 4
PSU2
Description
0
Program set-up cleared
(Initial value)
1
Transition to program set-up mode
[Setting condition]
Setting is enabled when FWE=1 and SW2=1 are selected
Bit 3
Erase-Verify 2 (EV2): Selects erase-verify mode transition or clearing (target address
range H'40000 to H'47FFF). Do not set the ESU2, PSU2, PV2, E2, P2 bits at the same time.
Bit 3
EV2
Description
0
Erase-verify mode cleared
(Initial value)
1
Transition to erase-verify mode
[Setting condition]
Setting is available when FWE=1 and SWE2=1 are selected