Rev. 1.0, 02/00, page 129 of 1141
Differences between Boot Mode and User Program Mode
Boot Mode
User Program Mode
Entire memory erase
Yes
Yes
Block erase
No
Yes
Programming control program
*
Program/program-verify
Erase/erase-verify
Program/program-verify
Note:
*
To be provided by the user, in accordance with the recommended algorithm.
Block Configuration
The main ROM area is divided into three 64-kbyte blocks, one 32-kbyte block, and eight 4-kbyte
blocks. The OSD ROM area is divided into two 1-kbyte blocks, one 2-kbyte block, and one 28-
kbyte block.
Address H'00000
Address H'3FFFF
256 kbytes
64 kbytes
64 kbytes
64 kbytes
32 kbytes
4 kbytes 8
Address H'40000
Address H'47FFF
32 kbytes
OSD ROM area
Main ROM area
28 kbytes
2 kbytes
1 kbyte
1 kbyte
Figure 7.6 Flash Memory Block Configuration