H8SXSLASH1663M datasheet(1164/1504 Pages) RENESAS

1164 / 1504 page

Section 25 Flash Memory

Rev. 2.00 Sep. 24, 2008 Page 1132 of 1468

REJ09B0412-0200

Bit

Bit Name

Initial

Value

R/W

Description



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)



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.



R/W

Success/Fail

Indicates the erasure result.

0: Erasure has ended normally (no error)

1: Erasure has ended abnormally (error occurs)

(4)

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

Bit Name



Bit

Bit Name

F15

F14

F13

F12

F11

F10

Bit

Bit Name

Bit

Bit Name

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