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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”.
Содержание ML610472
Страница 12: ...Chapter 1 Overview...
Страница 38: ...Chapter 2 CPU and Memory Space...
Страница 44: ...Chapter 3 Reset Function...
Страница 48: ...Chapter 4 MCU Control Function...
Страница 62: ...Chapter 5 Interrupts...
Страница 82: ...Chapter 6 Clock Generation Circuit...
Страница 94: ...Chapter 7 Time Base Counter...
Страница 105: ...Chapter 8 Capture...
Страница 114: ...Chapter 9 Timer...
Страница 133: ...Chapter 10 Watchdog Timer...
Страница 141: ...Chapter 11 UART...
Страница 164: ...Chapter 12 Port 0...
Страница 173: ...Chapter 13 Port 2...
Страница 180: ...Chapter 14 Port 3...
Страница 188: ...Chapter 15 Port 4...
Страница 199: ...Chapter 16 Port 6...
Страница 205: ...Chapter 17 RC Oscillation Type A D Converter...
Страница 225: ...Chapter 18 LCD Drivers...
Страница 243: ...Chapter 19 Power Supply Circuit...
Страница 245: ...Chapter 20 uEASE Flash Writer System...
Страница 249: ...Chapter 21 Software Development...
Страница 258: ...Appendixes...
Страница 280: ...Revision History...