RX610 Group
26. ROM (Flash Memory for Code Storage)
R01UH0032EJ0120 Rev.1.20
Page 876 of 1006
Feb 20, 2013
26.10.3
State Transitions in Boot Mode
Figure 26.26 is a diagram of the state transitions in boot mode.
Activated in boot mode
(Reset in boot mode)
User mat,
user boot mat,
and data mat
are completely erased
55h
Inquiry command
Response to command
(2)
Host command (read or check)
Specify the
erasure block
(4)
Data for
programming
Programming/erasure state
transition command
Programming
select command
End of
programming
(1)
ID code
protected?
Protection enabled
ID
OK
Failed/Retry
Failed/The number for
retrying is overflowed
(5)
Wait for inquiry/
selec ion host command
Wait for the ID code
Check the ID code
Execute inquiry/
selection host command
Bit rate adjustment
Wait for programming/
erasure host command
Execute host command
(read or check)
Wait for data for
programming
Wait for he specification
of erasure block
User mat,
user boot mat,
and data mat
are completely erased
End of erasure
Erasure select command
00h,......,00h
(Bit rate adjustment)
(3)
Protection disabled
Response to command
Figure 26.26 State Transitions in Boot Mode