17.24.2 User Program Mode - Renesas H8S/2319 series Hardware Manual

Boot mode initiation
(reset by boot mode)
Wait for inquiry
[2]
setting command
[3]
Wait for
programming/erasing
[4]
command
(Program end)
Wait for program data
Figure 17-67 Overview of Boot Mode State Transition

17.24.2 User Program Mode

The user MAT can be programmed/erased in user program mode. (The user boot MAT cannot be
programmed/erased.)
Programming/erasing is executed by downloading the program in the microcomputer.
The programming/erasing overview flow is shown in figure 17-68.
High voltage is applied to internal flash memory during the programming/erasing processing.
Therefore, transition to reset or hardware standby must not be executed. Doing so may cause
(Bit rate adjustment)
H'00 to H'00 reception
H'00 transmission
(adjustment completed)
Inquiry command reception
Inquiry command response
All user MAT and
user boot MAT erasure
Read/check command
reception
Command response
(Erasure end)
(Program command reception)
(Program data transmission)
Bit rate adjustment
Processing of
inquiry setting
command
Processing of
read/check command
(Erasure command reception)
Wait for erase-block
data
Rev. 5.00, 12/03, page 699 of 1088
[1]
(Erase-block specification)