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4.2 Memory Maps
Figure 4.1 shows memory maps of the MCU and the PROM programmer.
Figure 4.1 Memory maps
00000
16
0FFFF
16
1YY00
16
1ZZFF
16
Internal ROM area
00000
16
Programming area
Unused area
MCU
PROM programmer
(M5M27C101 mode)
Internal RAM, SFR etc.
OSD ROM
Unused area
OSD ROM
Unused area
0XX00
16
FFFFF
16
1ZZFF
16
0FFFF
16
1YY00
16
0XX00
16
FFFFF
16
MCU
M37225EC
M37221EF
Internal ROM
Address XX
40
08
Address ZZ
14, 54, 56, 58,
5A, 5C, 60, 62,
64, 66, 68, 6A,
6C, 6E, 70, 72,
74, 76, 78, 7A
00
Address ZZ
OSD ROM
1F
3B, 54, 56, 58,
5A, 5C, 5E, 60,
62, 64, 66, 68,
6A, 6C, 6E, 70,
72, 74, 76, 78, 7A