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參數(shù)資料
| 型號(hào)： | M30623M4A |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁(yè)數(shù)： | 10/237頁(yè) |
| 文件大小： | 2799K |
| 代理商： | M30623M4A |
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Memory
Mitsubishi microcomputers
M16C / 62A Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
10
Operation of Functional Blocks
The M16C/62A (80-pin version) 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/62A (80-pin version) group. The address space extends the 1M
bytes from address 00000
16
to FFFFF
16
. From FFFFF
16
down is ROM. For example, in the M30623MCA-
XXXGP, there is 128K bytes of internal ROM from E0000
16
to FFFFF
16
. The vector table for fixed interrupts
such as the reset and NMI are mapped to FFFDC
16
to FFFFF
16
. 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 00400
16
up is RAM. For example, in the M30623MCA-XXXGP, 5K bytes of internal RAM is mapped
to the space from 00400
16
to 017FF
16
. 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 00000
16
to 003FF
16
. This area accommodates the control registers for periph-
eral devices such as I/O ports, A-D converter, serial I/O, and timers, etc. Figures 1.7.1 to 1.7.3 are location
of peripheral unit control registers. 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 FFE00
16
to FFFDB
16
. 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.
Figure 1.4.1. Memory map
00000
16
YYYYY
16
Internal ROM area
FFFFF
16
00400
16
XXXXX
16
SFR area
For details, see Figures
1.7.1 to 1.7.3
Internal RAM area
Reserved
area
FFE00
16
FFFDC
16
FFFFF
16
Note: Set PM13 to “1” in M30625MGA/FGA. Otherwise set PM13 to “0”.
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer
DBC
NMI
Reset
Special page
vector table
Address
XXXXX
16
00FFF
16
013FF
16
Type No.
Address
YYYYY
16
F8000
16
F0000
16
M30623M4A
M30623M8A
E8000
16
E0000
16
F0000
16
E0000
16
E8000
16
C0000
16
017FF
16
017FF
16
02BFF
16
02BFF
16
02BFF
16
053FF
16
M30623MAA
M30623MCA
M30621M8A
M30621MCA/FCA
M30621MAA
M30625MGA/FGA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M30623M8A-2Y6GP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30625FGMGP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30625MGM-XXXGP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30625FGAGP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30625MGN-A25GP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30623M4A-XXXGP | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M4T-243GP | 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M4T-245GP | 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M4T-246GP | 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M4-XXXGP | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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