Datasheet

Section 20 Flash Memory (0.18-μm F-ZTAT Version)

Rev.6.00 Mar. 18, 2009 Page 804 of 980

REJ09B0050-0600

Transfer of erasure

program

Host Boot program

Preparation for erasure (H'48)

ACK

Erasure

Erasure (Erasure block number)

Erasure (H'FF)

ACK

Repeat

Figure 20.22 Erasure Sequence

(a) Erasure Selection

The boot program will transfer the erasure program. User MAT data is erased by the transferred

erasure program.

Command H'48

• Command, H'48, (one byte): Erasure selection

Response H'06

• Response, H'06, (one byte): Response for erasure selection

After the erasure program has been transferred, the boot program will return ACK.

Error Response H'C8 ERROR

• Error Response, H'C8, (one byte): Error response to erasure selection

• ERROR: (one byte): Error code

H'54: Selection processing error (transfer error occurs and processing is not completed)