Fig. 2.2.2 Access Area Of M37221M8-Xxxsp And M37221Ma-Xxxsp - Renesas 7200 Series User Manual

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. 2.2.2 Access area of M37221M8-XXXSP and M37221MA-XXXSP

0000
16
Internal RAM
00C0
SFR area
16
Special function register
00FF
(Refer to Figures 2. 3. 3 to 2. 3. 5)
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
FUNCTIONAL DESCRIPTION
Zero page
CRT display ROM
(8 K bytes)
ROM correction memory
Block 1: addresses 02C0
16
Block 2: addresses 02E0
16
: Internal ROM area for
program counter
Special page
Note: Refer to Table 2.11.4 Contents of CRT display RAM.
2.2 Access area
10000
16
ROM
for display
11FFF
16
to 02DF
16
to 02FF
16
Not used
1FFFF
16
2-9