D12320VF25V Datasheet, PDF (757/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
Note that memory read of the user MAT/user boot MAT can only read the program data after all
user MAT/user boot MAT has automatically been erased.
(Bit rate adjustment)
H'00 to H'00 reception
H'00 transmission
Boot mode initiation
(adjustment completed)
Bit rate adjustment
[1]
(reset by boot mode)
H'55 ^reception
Inquiry command reception
[2]
Wait for inquiry
setting command
Processing of
inquiry setting
Inquiry command response
command
[3]
All user MAT and
user boot MAT erasure
Read/check command
Wait for
reception
Processing of
[4] programming/erasing
read/check command
command
Command response
(Program end)
(Erasure end)
(Erasure command reception)
(Erase-block specification)
(Program command reception)
(Program data transmission)
Wait for erase-block
data
Wait for program data
Figure 17.67 Overview of Boot Mode State Transition
Rev.7.00 Feb. 14, 2007 page 723 of 1108
REJ09B0089-0700