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參數(shù)資料
| 型號： | M30612M4A-XXXGP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件頁數(shù)： | 2/197頁 |
| 文件大?。?/td> | 2673K |
| 代理商： | M30612M4A-XXXGP |
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Mitsubishi microcomputers
M16C / 61 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Memory
10
Operation of Functional Blocks
The M16C/61 group accommodates certain units in a single chip. These units include ROM and RAM to
store instructions and data and the central processing unit (CPU) to execute arithmetic/logic operations.
Also included are peripheral units such as timers, serial I/O, D-A converter, DMAC, CRC calculation circuit,
A-D converter, and I/O ports.
The following explains each unit.
Memory
Figure 1.4.1 is a memory map of the M16C/61 group. The address space extends the 1M bytes from
address 0000016 to FFFFF16. From FFFFF16 down is ROM. For example, in the M30612M4A-XXXFP,
there is 32K bytes of internal ROM from F800016 to FFFFF16. The vector table for fixed interrupts such as
_______
the reset and NMI are mapped to FFFDC16 to FFFFF16. The starting address of the interrupt routine is
stored here. The address of the vector table for timer interrupts, etc., can be set as desired using the
internal register (INTB). See the section on interrupts for details.
From 0040016 up is RAM. For example, in the M30612M4A-XXXFP, 4K bytes of internal RAM is mapped
to the space from 0040016 to 013FF16. In addition to storing data, the RAM also stores the stack used when
calling subroutines and when interrupts are generated.
The SFR area is mapped to 0000016 to 003FF16. This area accommodates the control registers for periph-
eral devices such as I/O ports, A-D converter, serial I/O, and timers, etc. Any part of the SFR area that is not
occupied is reserved and cannot be used for other purposes.
The special page vector table is mapped to FFE0016 to FFFDB16. If the starting addresses of subroutines
or the destination addresses of jumps are stored here, subroutine call instructions and jump instructions
can be used as 2-byte instructions, reducing the number of program steps.
In memory expansion mode and microprocessor mode, a part of the spaces are reserved and cannot be
used. For example, in the M30612M4A-XXXFP, the following spaces cannot be used.
The space between 0140016 and 03FFF16
The space between D000016 and F7FFF16 (When external area do not expand in memory expansion
mode)
Do not expand the external area in single chip mode. A part of internal memory cannot be used depending
on MCU.
Figure 1.4.1. Memory map
0000016
YYYYY16
FFFFF16
0040016
0400016
XXXXX16
D000016
External area
Internal ROM area
SFR area
For details, see Figure
1.7.1 and Figure 1.7.2
Internal RAM area
Internal reserved
area (Note 1)
Internal reserved
area (Note 2)
FFE0016
FFFDC16
FFFFF16
Note 1: During memory expansion and microprocessor modes, can not be used.
Note 2: When external area do not expand in memory expansion mode.
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer
Reset
Special page
vector table
DBC
NMI
Type No.
Address YYYYY16
Address XXXXX16
M30612M4A/E4
F000016
02BFF16
E000016
02BFF16
M30612M8A
F800016
013FF16
M30612MAA
M30612MCA
F000016
013FF16
M30610M8A
M30610MCA/EC
E800016
013FF16
E000016
017FF16
E800016
02BFF16
M30610MAA
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| M30612M8A-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30612M8A-XXXGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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