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參數(shù)資料
| 型號： | M306H2MC-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP116 |
| 封裝： | 20 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-116 |
| 文件頁數(shù)： | 24/212頁 |
| 文件大?。?/td> | 2877K |
| 代理商： | M306H2MC-XXXFP |
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SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
with DATA ACQUISITION CONTROLLER
MITSUBISHI MICROCOMPUTERS
9
Rev. 1.0
M306H2MC-XXXFP
2. OPERATION OF FUNCTIONAL BLOKS
The M306H2MC-XXXFP accommodates certain units in a single chip. These units include 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, Data slicer circuit and I/O ports.
The following explains each unit.
2.1 Memory
Figure 2.1.1 is a memory map of the M306H2MC-XXXFP. The address space extends the 1M bytes from
address 0000016 to FFFFF16. From address FFFFF16 down is ROM. In the M306H2MC-XXXFP, can use
from address from E000016 to FFFFF16 as 128K bytes internal ROM area. The vector table for fixed
_______
interrupts such as the reset and NMI are mapped to from address 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.
5K bytes of internal RAM is mapped to from address 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 from address 0000016 to 003FF16. This area accommodates the control
registers for peripheral devices such as I/O ports, A-D converter, serial I/O, and timers, etc. Figures 2.1.2
to 2.1.4 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 from address 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. The following spaces cannot be used.
The space between 0180016 and 03FFF16 (memory expansion and microprocessor mode)
The space between D000016 and DFFFF16 (memory expansion mode)
Figure 2.1.1 Memory map
0000016
FFFFF16
0040016
0400016
017FF16
Internal ROM area
SFR area
For details, see Figures
2.1.2 to 2.1.4
Internal RAM area
Internal reserved
area (Note1)
FFE0016
FFFDC16
FFFFF16
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer
Reset
Special page
vector table
DBC
NMI
0180016
03FFF16
Internal reserved
area (Note2)
E000016
D000016
External area
003FF16
Note 1: During memory expansion and microprocessor modes, can not be used.
2: In memory expansion mode, can not be used.
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| M306H2T-RPD-E | 制造商:Renesas Electronics Corporation 功能描述:EMULATION POD, M16C6H GROUP (M306H2) - Bulk |
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