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参数资料
| 型号： | M30263M4A-XXXFP-U5 |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PDSO42 |
| 封装： | 0.450 INCH, 0.80 MM PITCH, LEAD FREE, PLASTIC, SSOP-42 |
| 文件页数： | 7/26页 |
| 文件大小： | 185K |
| 代理商： | M30263M4A-XXXFP-U5 |
M16C/26A Group (M16C/26A, M16C/26T)
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
3. Memory
Rev.0.40 2004.07.30
page 15 of 24
REJ03B0071-0040Z
3. Memory
Figure 3.1 is a memory map. The linear address space of 1M bytes extends from address 0000016 to
FFFFF16. The internal ROM is allocated in a lower address directiom beginning with address FFFFF16 . For
example, a 64-Kbyte internal ROM is allocated to the address from F000016 to FFFFF16.
The fixed interrupt vector table is allocated to the address from FFFDC16 to FFFFF16. Therefore store the
start address of each interrupt routine here. For details, refer to the "Interrupt".
These devices also contain two blocks of Flash ROM as Data Flash memory to store data. These two
blocks of 2K bytes are located from 0F00016 to 0FFFF16 on all versions.
The internal RAM is allocated in an upper address direction beginning with address 0040016. For example,
a 1-Kbyte internal RAM is allocated to the address from 0040016 to 007FF16. In addition to storing data, the
internal RAM also stores the stack used when calling subroutines and when interrupts are generated.
The SFR is allocated to the address from 0000016 to 003FF16. Peripheral function control registers are
located here. Of the SFR, any area which has no functions allocated is reserved for future use and cannot
be used by users.
The special page vector table is allocated to the addresses from FFE0016 to FFFDB16. This vector is used
by the JMPS or JSRS instruction. For details, refer to the "M16C/60 and M16C/20 Series Software
Manual".
Figure 3.1. Memory Map
SFR
Internal RAM
Reserved area
Internal ROM
(Program area)(Note 2)
Reset
Watchdog timer
Single step
Address match
BRK instruction
Overflow
Undefined Instruction
Special page
vector table
0000016
0040016
XXXXX16
YYYYY16
FFFFF16
FFFDC16
FFE0016
DBC
NMI
Internal ROM
(Data area) (Note 1)
0F00016
0FFFF16
Reserved area
Note 1: Shown here is a Block A (2K bytes) and Block B (2K bytes).
(in the flash memory version)
Note 1: When using the masked ROM version, write nothing to
internal ROM area.
Size
Address YYYYY16
Size
Address XXXXX16
Internal RAM
Intrnal ROM
2K byte
00BFF16
48K byte
F400016
64K byte
F000016
32K byte
F800016
1K byte
007FF16
24K byte
FA00016
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