Datasheet

Section 22 ROM
R01UH0166EJ0600 Rev. 6.00 Page 953 of 1434
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
Bit 6—Software Write Enable Bit 1 (SWE1): This bit selects write and erase valid/invalid of the
flash memory. Set it when setting bits 5 to 0, bits 7 to 0 of EBR1, and bits 3 to 0 of EBR2.
Bit 6
SWE1 Description
0 Writes disabled (Initial value)
1 Writes enabled
[Setting condition]
When FWE = 1
Bit 5—Erase Setup Bit 1 (ESU1): Prepares for a transition to erase mode. Set this bit 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 setup cleared (Initial value)
1 Erase setup
[Setting condition]
When FWE = 1 and SWE1 = 1
Bit 4—Program Setup Bit 1 (PSU1): Prepares for a transition to program mode. Set this bit 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 setup cleared (Initial value)
1 Program setup
[Setting condition]
When FWE = 1 and SWE1 = 1