Datasheet

Section 7 ROM
Page 168 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Bit Symbol Bit Name Description R/W
4 FMERSF Erase-suspend
flag
0: Erase-suspend function is not being used.
1: Erase-suspend function is being used.
[Setting condition]
• Erase-suspend mode is being used.
[Clearing condition]
• Erase-suspend mode is not being used.
R
3 FMPRSF
*
3
*
5
Programming
status flag
0: Successful end
1: End with an error
[Setting conditions]
• The programming command is executed and
results in unsuccessful programming.
• The lock-bit program command is executed and
results in unsuccessful programming.
[Clearing condition]
• The clear-status command is issued.
R
2 ⎯ Reserved This bit is read as 0. The write value should be 0. ⎯
1 ⎯ Reserved Reading this bit returns the value same as the
FMRDY value. The write value should be 1.
⎯
0 FMRDY Flash memory
ready/busy
status flag
0: Busy (programming or erasure in progress)
1: Ready
[Setting condition]
• The flash memory is not being programmed or
erased.
[Clearing condition]
• The flash memory is being programmed or
erased.
R
Notes: 1. The FMRDYIF bit is set to 1 when the FMRDY bit changes from 0 to 1.
2. When setting the bit to 0, first read 1 from the bit and then write 0 to the bit.
3. The bit cannot be set to 1 through software.
4. The FMBSYRDIF bit is set to 1 when the ROM area is accessed while the FMRDY bit is
0.
5. The bit is cleared to 0 when the clear-status command is executed.