M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
8.2 MEMORY
8.2.1 Special Function Register (SFR) Area
The special function register (SFR) area in the zero page includes
control registers such as I/O ports and timers.
8.2.6 Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
8.2.7 Zero Page
The zero page addressing mode can be used to specify memory and
register addresses in the zero page area. Access to this area is pos-
sible with only 2 bytes in the zero page addressing mode.
8.2.2 RAM
RAM is used for data storage and for stack area of subroutine calls
and interrupts.
8.2.8 Special Page
8.2.3 ROM
ROM is used for storing user programs as well as the interrupt vector
area.
The special page addressing mode can be used to specify memory
addresses in the special page area. Access to this area is possible
with only 2 bytes in the special page addressing mode.
8.2.4 OSD RAM
RAM used for specifying the character codes and colors for display.
8.2.9 ROM Correction Memory (RAM)
This is used as the program area for ROM correction.
8.2.5 OSD ROM
ROM used for storing character data for display.
s
M37161M8/MA/MF-XXXSP/FP, M37161EFSP/FP
0000
16
00BF
16
00C0
16
00FF
16
0100
16
01FF
16
0200
16
020F
16
0300
16
0320
16
05BF
16
06FF
16
Not used
OSD RAM
(128 bytes)
0800
16
087F
16
OSD ROM
(Character font)
(10 bytes)
11400
16
13BFF
16
Not used
M37161MF-XXXSP/FP
M37161EFSP/FP
ROM
(60K bytes)
M37161MA-XXXSP/FP
ROM
(40K bytes)
OSD ROM
(Color dot font)
(10 bytes)
Zero page
SFR1 area
10000
16
M37161M8-
XXXSP/FP,
RAM
(1152 bytes)
M37161MA/MF-XXXSP/FP
M37161EFSP/FP
RAM
(1472 bytes)
SFR2 area
Not used
ROM correction function
Vector 1: address 0300
16
Vector 2: address 0320
16
Not used
Not used
1D400
16
1FBFF
16
Not used
1000
16
6000
16
8000
16
M37161M8-
XXXSP/FP
ROM
(32K bytes)
FF00
16
FFDE
16
FFFF
16
Interrupt vector area
Special page
1FFFF
16
Fig. 8.2.1 Memory Map (M37160M6/M8-XXXSP/FP, M37160EFSP/FP)
Rev.1.00
2003.11.25
page 12 of 128
RENESAS [ RENESAS TECHNOLOGY CORP ]
