R5F61655N50FPV Datasheet, PDF (1083/1376 Pages) Renesas Technology Corp – Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

Section 24 Flash Memory
Initial
Bit
Bit Name Value R/W Description
4
FK
⎯
R/W Flash Key Register Error Detect
Checks the FKEY value (H'5A) before erasure starts,
and returns the result.
0: FKEY setting is normal (H'5A)
1: FKEY setting is abnormal (value other than H'5A)
3
EB
⎯
R/W Erase Block Select Error Detect
Checks whether the specified erase block number is in
the block range of the user MAT, and returns the result.
0: Setting of erase block number is normal
1: Setting of erase block number is abnormal
2, 1 ⎯
⎯
⎯
Unused
These bits return 0.
0
SF
⎯
R/W Success/Fail
Indicates the erasure result.
0: Erasure has ended normally (no error)
1: Erasure has ended abnormally (error occurs)
(3) Flash Program/Erase Frequency Parameter (FPEFEQ: General Register ER0 of CPU)
FPEFEQ sets the operating frequency of the CPU. The operating frequency available in this LSI
ranges from 8 MHz to 50 MHz.
Bit
31
30
29
28
27
26
25
24
Bit Name
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Bit
23
22
21
20
19
18
17
16
Bit Name
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Bit
15
14
13
12
11
10
9
8
Bit Name
F15
F14
F13
F12
F11
F10
F9
F8
Bit
7
6
5
4
3
2
1
0
Bit Name
F7
F6
F5
F4
F3
F2
F1
F0
Rev. 2.00 Oct. 20, 2009 Page 1051 of 1340
REJ09B0499-0200