3069RF-ZTAT Datasheet, PDF (635/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

(Bit rate adjustment)
H'00 to H'00 reception
H'00 transmission
Boot mode initiation
(adjustment completed)
Bit rate adjustment
(reset by boot mode)
1
H'55 ^reception
2
Wait for inquiry
setting command
Inquiry command reception
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 18.8 Overview of Boot Mode State Transition
18.5.2 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 overview flow is shown in figure 18.9.
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
Rev. 5.0, 09/04, page 613 of 978