Hitachi H8S/2199 Hardware Manual page 149

Bit 6    Software Write Enable (SWE): Enables or disables flash memory programming. SWE
should be set before setting bits 5 to 0, bits 7 to 0 in EBR1, and bits 3 to 0 in EBR2.
Bit 6
SWE1 Description
0 Writes are disabled
1 Writes are enabled
[Setting condition]
Setting is available when FWE = 1 is selected
Bit 5    Erase Set-Up 1 (ESU1): Prepares for erase mode. ESU1 should be set to 1 before setting
the E1 bit in FLMCR1 to 1. Do not set the SWE1, PSU1, EV1, PV1, E1, or P1 bit at the same
time.
Bit 5
ESU1 Description
0 Erase set-up cleared
1 Transition to erase set-up mode
[Setting condition]
Setting is available when FWE = 1 and SWE = 1 are selected
Bit 4    Program Set-Up 1 (PSU1): Prepares for program mode. PSU1 should be set to 1 before
setting the P1 bit in FLMCR1 to 1. Do not set the SWE1, ESU1, EV1, PV1, E1 or P1 bit at the
same time.
Bit 4
PSU1 Description
0 Program set-up cleared
1 Transition to program set-up mode
[Setting condition]
Setting is available when FWE = 1 and SWE = 1 are selected
Rev. 1.0, 02/00, page 132 of 1141
(Initial value)
(Initial value)
(Initial value)