Figure 17.25 Programming Sequence - Renesas H8SX/1500 Series Hardware Manual

Section 17 Flash Memory (0.18-(m F-ZTAT Version)
• Programming
Programming is executed by the programming selection and 128-byte programming
commands.
Firstly, the host should send the programming selection command and select the programming
method and programming MATs. There are two programming selection commands, and
selection is according to the area and method for programming.
1. User boot MAT programming selection
2. User MAT programming selection
After issuing the programming selection command, the host should send the 128-byte
programming command. The 128-byte programming command that follows the selection
command represents the data programmed according to the method specified by the selection
command. When more than 128-byte data is programmed, 128-byte commands should
repeatedly be executed. Sending a 128-byte programming command with H'FFFFFFFF as the
address will stop the programming. On completion of programming, the boot program will
wait for selection of programming or erasing.
Where the sequence of programming operations that is executed includes programming with
another method or of another MAT, the procedure must be repeated from the programming
selection command.
The sequence for the programming selection and 128-byte programming commands is shown
in figure 17.25.
Host
Repeat
Rev. 3.00 Mar. 14, 2006 Page 648 of 804
REJ09B0104-0300
Programming selection (H'42, H'43)
ACK
128-byte programming (address, data)
128-byte programming (H'FFFFFFFF)

Figure 17.25 Programming Sequence

ACK
ACK
Boot program
Transfer of the
programming
program
Programming