Datasheet

Section 7 ROM
REJ09B0465-0300 Rev. 3.00 Page 167 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
7.4.4 Flash Memory Status Register (FLMSTR)
b7
FMRDYIF
0
b6
FMBSYRDIF
0
b5
FMEBSF
0
b4
FMERSF
0
b3
FMPRSF
0
b2
⎯
0
b1
⎯
1
b0
FMRDY
1
H'FF0663
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 FMRDYIF
*
1
*
2
*
3
Flash read-
ready interrupt
request flag
0: The flash read-ready interrupt is not being
requested.
1: The flash read-ready interrupt is being requested.
[Setting condition]
• FMRDY changes from 0 to 1.
[Clearing condition]
• "1" is read from FMRDYIF and then the bit is
cleared to 0.
R/W
6 FMBSYRDIF
*
2
*
3
*
4
Flash busy-
read interrupt
request flag
0: The flash busy-read interrupt is not being
requested.
1: The flash busy-read interrupt is being requested.
[Setting condition]
• The user ROM area is accessed while the
FMRDY is 0.
[Clearing condition]
• "1" is read from FMBSYRDIF and then the bit is
cleared to 0.
R/W
5 FMEBSF
*
3
*
5
Erasure/blank-
checking status
flag
0: Successful end
1: End with an error
[Setting conditions]
• The erasure command is executed and results in
unsuccessful erasure.
• The blank-checking command is executed and it
is detected that the specified block is not blank.
[Clearing condition]
• The clear-status command is issued.
R