Datasheet

Section 22 Flash Memory
Rev. 3.00 Sep. 28, 2009 Page 694 of 910
REJ09B0350-0300
(2) Flash Pass and Fail Parameter (FPFR: General Register R0L of CPU)
FPFR indicates the return values of the initialization, programming, and erasure results. The
meaning of the bits in FPFR varies depending on the processing.
(a) Initialization before programming/erasing
FPFR indicates the return value of the initialization result.
Bit Bit Name
Initial
Value
R/W Description
7 to 2 ⎯ ⎯ ⎯ Unused
These bits return 0.
1 FQ ⎯ R/W Frequency Error Detect
Compares the specified CPU operating frequency with
the operating frequencies supported by this LSI, and
returns the result.
0: Setting of operating frequency is normal
1: Setting of operating frequency is abnormal
0 SF ⎯ R/W Success/Fail
Returns the initialization result.
0: Initialization has ended normally (no error)
1: Initialization has ended abnormally (error occurs)