![LAPIS Semiconductor ML610472 User Manual Download Page 40](http://html1.mh-extra.com/html/lapis-semiconductor/ml610472/ml610472_user-manual_3645865040.webp)
ML610471/472/473/Q471/Q472/Q473 User's Manual
Chapter 2 CPU
2-2
2.3 Data Memory Space
The data memory space of this LSI consists of the ROM window area, 512Byte RAM area, and SFR area of Segment 0.
The data memory has the 8-bit length and is specified by the addressing specified by each instruction.
Figure 2-2 shows the configuration of the data memory space.
DSR: Data
address
Segment 0
0000H
ROM Window
Area
1FFFH
2000H
DFFFH
Unused area
E000H
E1FFH
RAM area
512 byte
E400H
EFFFH
Unused area
F000H
FFFFH
SFR Area
8bit
Figure 2-2 Configuration of Data Memory Space
Note:
・
The contents of the RAM area are undefined at system reset. Initialize this area by software.
・
In IDEU8, setting the “Prohibition of __far description/Deterrence of evacuation of DSR in an interruption function”
check box. For details, see “IDEU8 User’s Manual”.
Summary of Contents for ML610472
Page 12: ...Chapter 1 Overview...
Page 38: ...Chapter 2 CPU and Memory Space...
Page 44: ...Chapter 3 Reset Function...
Page 48: ...Chapter 4 MCU Control Function...
Page 62: ...Chapter 5 Interrupts...
Page 82: ...Chapter 6 Clock Generation Circuit...
Page 94: ...Chapter 7 Time Base Counter...
Page 105: ...Chapter 8 Capture...
Page 114: ...Chapter 9 Timer...
Page 133: ...Chapter 10 Watchdog Timer...
Page 141: ...Chapter 11 UART...
Page 164: ...Chapter 12 Port 0...
Page 173: ...Chapter 13 Port 2...
Page 180: ...Chapter 14 Port 3...
Page 188: ...Chapter 15 Port 4...
Page 199: ...Chapter 16 Port 6...
Page 205: ...Chapter 17 RC Oscillation Type A D Converter...
Page 225: ...Chapter 18 LCD Drivers...
Page 243: ...Chapter 19 Power Supply Circuit...
Page 245: ...Chapter 20 uEASE Flash Writer System...
Page 249: ...Chapter 21 Software Development...
Page 258: ...Appendixes...
Page 280: ...Revision History...