D12320VF25V Datasheet, PDF (805/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
Where the sequence of programming operations that is executed includes programming with
another method or of another MAT, the procedure must be repeated from the programming
selection command.
The sequence for programming-selection and 128-byte programming commands is shown in
figure 17.86.
Host
Boot program
Programming selection (H'42, H'43, H'44)
Transfer of the
programming
program
ACK
Repeat
128-byte programming (address, data)
Programming
ACK
128-byte programming (H'FFFFFFFF)
ACK
Figure 17.86 Programming Sequence
(2) User Boot MAT Programming Selection
The boot program will transfer a programming program. The data is programmed to the user boot
MATs by the transferred programming program.
Command H'42
• Command, H'42, (1 byte): User boot-program programming selection
Response H'06
• Response, H'06, (1 byte): Response to user boot-program programming selection
When the programming program has been transferred, the boot program will return ACK.
Error
H'C2 ERROR
Response
• Error response: H'C2 (1 byte): Error response to user boot MAT programming selection
• ERROR: (1 byte): Error code
H'54: Selection processing error (transfer error occurs and processing is not completed)
Rev.7.00 Feb. 14, 2007 page 771 of 1108
REJ09B0089-0700