7220 Datasheet, PDF (36/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

FUNCTIONAL DESCRIPTION
2.2 Access area
RAM
(640 bytes)
for
M37221MA
RAM
(512 bytes)
for
M37221M8
CRT display RAM
(96 bytes)
(See note)
000016
Internal RAM
00C016
SFR area
Special function register
00FF16 (Refer to Figures 2. 3. 3 to 2. 3. 5)
01FF16
021716
021B16
02C016
02FF16
030016
033F16
03BF16
060016
06B716
600016
800016
Internal RAM
Not used
2 page register
Not used
ROM correction
memory (RAM)
Internal RAM
Not used
RAM
for display
Not used
ROM
(40 K bytes)
for
M37221MA
ROM
(32 K bytes)
for
M37221M8
Internal ROM
FF0016
FFDE16
Interrupt vector area
FFFF16
1000016
Zero page
CRT display ROM
(8 K bytes)
11FFF16
ROM correction memory
Block 1: addresses 02C016 to 02DF16
Block 2: addresses 02E016 to 02FF16
: Internal ROM area for
program counter
Special page
1FFFF16
ROM
for display
Not used
Note: Refer to Table 2.11.4 Contents of CRT display RAM.
Fig. 2.2.2 Access area of M37221M8-XXXSP and M37221MA-XXXSP
7220 Group User’s Manual
2-9