Datasheet

Section 22 Flash Memory
Rev. 3.00 Sep. 28, 2009 Page 704 of 910
REJ09B0350-0300
(2) State Transition Diagram
The state transition after boot mode is initiated is shown in figure 22.8.
Wait for inquiry
setting command
Wait for
programming/erasing
command
Bit rate adjustment
Processing of
read/check command
Boot mode initiation
(reset by boot mode)
H'00, ..., H'00 reception
H'00 transmission
(adjustment completed)
(Bit rate adjustment)
Processing of
inquiry setting
command
All user
MAT and
user boot MAT erasure
Wait for program data
Wait for erase-block
data
Read/check command
reception
Command response
(Erasure selection command
reception)
(Program data transmission)
(Erasure selection command reception)
(Programming
completion)
(Erase-block specification)
(Erasure
completion)
Inquiry command reception
H'55 reception
Inquiry command response
1.
2.
3.
4.
Figure 22.8 Boot Mode State Transition Diagram
1. After boot mode is initiated, the bit rate of the SCI_1 is adjusted with that of the host.
2. Inquiry information about the size, configuration, start address, and support status of the user
MAT is transmitted to the host.
3. After inquiries have finished, all user MAT and user boot MAT are automatically erased.