Fig. 2.3.2 Memory Assignment Of M37221M8-Xxxsp And M37221Ma-Xxxsp - Renesas 7200 Series User Manual

FUNCTIONAL DESCRIPTION
2.3 Memory assignment
Hexadecimal notation
RAM RAM
(640 bytes) (512 bytes)
for for
M37221MA M37221M8
CRT display RAM
(96 bytes)
(See note)
ROM ROM
(40 K bytes) (32 K bytes)
for for
M37221MA M37221M8

Fig. 2.3.2 Memory assignment of M37221M8-XXXSP and M37221MA-XXXSP

2-12
Decimal notation
0000
16
Internal RAM
SFR area
00C0
16
Special function register
00FF
16 (Refer to Figures 2. 3. 3 to 2. 3. 5)
0100
16
Internal RAM
01FF
16
Not used
0217
16 2 page register
021B
16
Not used
02C0
16
ROM correction
memory (RAM)
02FF
16
0300
16
Internal RAM
033F
16
03BF
16
Not used
0600
16
RAM
for display
06B7
16
Not used
6000
16
8000
16
Internal ROM
FF00
16
FFDE
16
Interrupt vector area
FFFF
16
7220 Group User's Manual
0
Zero page
192
CRT display ROM
(8 K bytes)
255
511
535
540
704
ROM correction memory
Block 1: addresses 02C0 to 02DF
16
767
Block 2: addresses 02E0 to 02FF
16
768
831
959
1536
1719
24576
32768
65280
65502
Special page
65535
Note: Refer to Table 2.11.4 Contents of CRT display RAM.
10000
16
ROM
for display
11FFF
16
16
16
Not used
1FFFF
16
65536
73727
131071