參數(shù)資料
型號(hào)： M30840MCT-XXXGP
元件分類： 微控制器/微處理器
英文描述： 32-BIT, MROM, 32 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù)： 17/91頁
文件大?。?/td> 903K
代理商： M30840MCT-XXXGP
Page 22
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3. Memory
Figure 3.1 shows a memory map of the M32C/84 group (M32C/84, M32C/84T).
The M32C/84 group (M32C/84, M32C/84T) provides 16-Mbyte address space from addresses 00000016 to
FFFFFF16.
The internal ROM is allocated lower addresses beginning with address FFFFFF16. For example, a 64-
Kbyte internal ROM is allocated in addresses FF000016 to FFFFFF16.
The fixed interrupt vectors are allocated addresses FFFFDC16 to FFFFFF16. It stores the starting address
of each interrupt routine.
The internal RAM is allocated higher addresses beginning with address 00040016. For example, a 10-
Kbyte internal RAM is allocated addresses 00040016 to 002BFF16. Besides storing data, it becomes stacks
when the subroutine is called or an interrupt is acknowleged.
SFR, consisting of control registers for peripheral functions such as I/O port, A/D converter, serial I/O, and
timers, is allocated addresses 00000016 to 0003FF16. All blank spaces within SFR are reserved and
cannot be accessed by users.
The special page vectors are allocated addresses FFFE0016 to FFFFDB16. It is used for the JMPS instruc-
tion and JSRS instruction. Refer to the Renesas publication M32C/80 Series Software Manual for details.
In memory expansion mode and microprocessor mode, some spaces are reserved and cannot be ac-
cessed by users.
Figure 3.1 Memory Map
SFR
Internal RAM
Reserved Space
External Space(1)
BRK Instruction
Overflow
Undefined Instruction
FFFFFF16
NMI
00000016
00040016
0063FF16
00F00016
00FFFF16
F0000016
F8000016
FFFFFF16
Reserved Space(2)
Internal ROM(4)
Special Page
Vector Table
Address Match
Watchdog Timer(5)
Reset
NOTES:
1. In memory expansion mode and microprocessor mode.
2. In memory expansion mode.
This space becomes external space in microprocessor mode.
3. Additional 4-Kbyte space is provided in flash memory version for storing data.
This space can be used in single-chip mode and memory expansion mode.
This space becomes reserved space in microprocessor mode.
4. This space can be used in single-chip mode and memory expansion mode.
This space becomes external space in microprocessor mode.
5. Watchdog timer interrupts, oscillation stop detect interrupts,
and voltage down detect interrupts share vectors.
FFFFDC16
FFFE0016
Internal ROM
(3)
(Data space)
Internal ROM
Capacity
192 Kbytes
320 Kbytes
512 Kbytes
YYYYYY16
FA000016
384 Kbytes
FD000016
FB000016
Internal RAM
Capacity
16 Kbytes
24 Kbytes
XXXXXX16
0043FF16
10 Kbytes
002BFF16
0063FF16
F8000016
FE000016
128 Kbytes
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