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參數(shù)資料
| 型號(hào)： | M30623M8A-XXXGP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 14 MM, 0.65 MM PITCH, PLASTIC, QFP-80 |
| 文件頁(yè)數(shù)： | 13/242頁(yè) |
| 文件大?。?/td> | 3334K |
| 代理商： | M30623M8A-XXXGP |
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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 0000016 to FFFFF16. From FFFFF16 down is ROM. For example, in the M30623MCA-
XXXGP, there is 128K bytes of internal ROM from E000016 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 M30623MCA-XXXGP, 5K bytes of internal RAM is mapped
to the space from 0040016 to 017FF16. 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. 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 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.
Figure 1.4.1. Memory map
0000016
YYYYY16
FFFFF16
0040016
XXXXX16
Internal ROM area
SFR area
For details, see Figures
1.7.1 to 1.7.3
Internal RAM area
Reserved
area
FFE0016
FFFDC16
FFFFF16
Note : These memory maps show an instance in which PM13 is set to 0; but in the
case of products in which the internal RAM and the internal ROM are expanded
to over 15 Kbytes and 192 Kbytes, respectively, they show an instance in which
PM13 is set to 1.
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer
Reset
Special page
vector table
DBC
NMI
Address YYYYY16
3K bytes
00FFF16
053FF16
017FF16
013FF16
Address XXXXX16
ROM size
02BFF16
5K bytes
4K bytes
10K bytes
20K bytes
RAM size
32K bytes
C000016
E800016
F000016
E000016
96K bytes
64K bytes
128K bytes
256K bytes
F800016
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M30621MAA-XXXGP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80 |
| M30623M4A-XXXGP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80 |
| M30621M8A-XXXGP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80 |
| M30622ECT-XXXFP | 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M30622ECTFP | 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30623M8P- | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M8P-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M8T-910GP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M8-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623MA | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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