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參數(shù)資料
| 型號： | M30240S5-XXXFP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
| 中文描述： | 單片16位CMOS微機 |
| 文件頁數(shù)： | 12/142頁 |
| 文件大?。?/td> | 1637K |
| 代理商： | M30240S5-XXXFP |
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1-12
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
Central Processing Unit (CPU)
Registers R0 and R1 each can be used as separate 8-bit data registers, high-order bits as (R0H/R1H),
and low-order bits as (R0L/R1L). In some instructions, registers R2 and R0, as well as R3 and R1, can
be used as 32-bit data registers (R2R0/R3R1).
2.1.2 Address registers (A0 and A1)
Address registers (A0 and A1) are configured with 16 bits, and have functions equivalent to those of
data registers. These registers can also be used for address register indirect addressing and address
register relative addressing.
Insomeinstructions,registersA1andA0canbecombinedforuseasa32-bitaddressregister(A1A0).
2.1.3 Frame base register (FB)
Frame base register (FB) is configured with 16 bits, and is used for FB relative addressing.
2.1.4 Program counter (PC)
Program counter (PC) is configured with 20 bits, indicating the address of an instruction to be execut-
ed.
2.1.5 Interrupt table register (INTB)
Interrupt table register (INTB) is configured with 20 bits, indicating the start address of an interrupt vec-
tor table. INTB can be used as separate registers of four high-order bits and 16 low-order bits.
2.1.6 Stack pointer (USP/ISP)
Stack pointer comes in two types: user stack pointer (USP) and interrupt stack pointer (ISP), each con-
figured with 16 bits.
Your desired type of stack pointer (USP or ISP) can be selected by a stack pointer select flag (U flag).
This flag is located at the position of bit 7 in the flag register (FLG).
2.1.7 Static base register (SB)
Static base register (SB) is configured with 16 bits, and is used for SB relative addressing.
2.1.8 Flag register (FLG)
Flag register (FLG) is configured with 11 bits, each bit is used as a flag. Figure 1.6 shows the flag reg-
ister (FLG). The following explains the function of each flag:
2.1.8.1 Bit 0: Carry flag (C flag)
This flag retains a carry, borrow, or shift-out bit that has occurred in the arithmetic/logic unit.
2.1.8.2 Bit 1: Debug flag (D flag)
This flag enables a single-step interrupt.
When this flag is “1”, a single-step interrupt is generated after instruction execution. This flag is cleared to “0”
when the interrupt is acknowledged.
2.1.8.3 Bit 2: Zero flag (Z flag)
This flag is set to “1” when an arithmetic operation resulted in 0; otherwise, cleared to “0”.
2.1.8.4 Bit 3: Sign flag (S flag)
This flag is set to “1” when an arithmetic operation resulted in a negative value; otherwise, cleared to “0”.
2.1.8.5 Bit 4: Register bank select flag (B flag)
This flag chooses a register bank. Register bank 0 is selected when this flag is “0”; register bank 1 is selected
when this flag is “1”.
2.1.8.6 Bit 5: Overflow flag (O flag)
This flag is set to “1” when an arithmetic operation resulted in overflow; otherwise, cleared to “0”.
相關PDF資料 |
PDF描述 |
|---|---|
| M30240S1-XXXFP | 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
| M30240S2-XXXFP | 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
| M30240S6-XXXFP | 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
| M30240S8-XXXFP | 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
| M30240M1-XXXFP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M30240S6 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240S6-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240S7 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240S7-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240S8 | 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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