7220 Datasheet, PDF (237/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPENDIX
6.5 Memory assignment
RAM
(640 bytes)
for
M37221MA
Hexadecimal notation
000016
Decimal notation
0
Internal RAM
RAM
(512 bytes)
for
M37221M8
00C016
SFR area
192
Special function register
00FF16 (Refer to Figures 2. 3. 3 to 2. 3. 5) 255
010016
Internal RAM
01FF16
511
Not used
Zero page
CRT display ROM
(8 K bytes)
021716
021B16
2 page register
535
540
Not used
1000016
11FFF16
CRT display RAM
(96 bytes)
(See note)
02C016
02FF16
030016
033F16
03BF16
060016
06B716
600016
800016
ROM correction
memory (RAM)
Internal RAM
Not used
RAM
for display
Not used
704 _{ROM correction memory}
767 ^{Block 1: addresses 02C016 to 02DF16}
768 ^{Block 2: addresses 02E016 to 02FF16}
831
959
1536
1719
24576
32768
ROM
(40 K bytes)
for
M37221MA
ROM
(32 K bytes)
for
M37221M8
Internal ROM
FF0016
FFDE16 _{Interrupt vector area}
FFFF16
65280
65502
65535
Special page
1FFFF16
ROM
for display
Not used
65536
73727
131071
Note: Refer to Table 2.11.4 Contents of CRT display RAM.
Fig. 6.5.2 Memory assignment of M37221M8-XXXSP and M37221MA-XXXSP
6-18
7220 Group User’s Manual