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參數(shù)資料
| 型號： | M34506M2-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, MICROCONTROLLER, PDSO20 |
| 封裝： | 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20 |
| 文件頁數(shù)： | 53/114頁 |
| 文件大?。?/td> | 836K |
| 代理商： | M34506M2-XXXFP |
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2
2-6
32180 Group User’s Manual (Rev.1.0)
CPU
26
CU
0: No underflow exception occurred
R (Note 3)
Underflow Exception Cause Bit
1: An underflow exception occurred. When the bit is set to "1",
the execution of an FPU operation instruction will clear it to "0".
27
CZ
0: No zero divide exception occurred.
R (Note 3)
Zero Divide Exception Cause Bit
1: A zero divide exception occurred. When the bit is set to "1",
the execution of an FPU operation instruction will clear it to "0".
28
CO
0: No overflow exception occurred.
R (Note 3)
Overflow Exception Cause Bit
1: An overflow exception occurred. When the bit is set to "1",
the execution of an FPU operation instruction will clear it to "0".
29
CV
0: No invalid operation exception occurred.
R (Note 3)
Invalid Operation Exception Cause Bit
1: An invalid operation exception occurred. When the bit is set to "1",
the execution of an FPU operation instruction will clear it to "0".
30, 31
RM
00: Round to nearest
R
W
Rounding Mode Selection Bit
01: Round toward Zero
10: Round toward + Infinity
11: Round toward – Infinity
Note 1: The phrase “If EIT processing unexecuted” means whenever one of the exceptions occurs, enable bits 17 to 21 are set to
"0" which masks the EIT processing so that it cannot be executed. If two exceptions occur at the same time and their
corresponding exception enable bits are set differently (one enabled, and the other masked), EIT processing is executed. In
this case, these two flags do not change state regardless of the enable bits settings.
Note 2: If a denormalized number is given to the operand when DN = "0", an unimplemented exception occurs.
Note 3: This bit is cleared by writing "0". Writing "1" has no effect (the bit retains the value it had before the write).
2.3 Control Registers
相關PDF資料 |
PDF描述 |
|---|---|
| M34507E4FP | 4-BIT, OTPROM, MICROCONTROLLER, PDSO24 |
| M34507M2-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34507M4-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34507M2-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34509G4FP | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO24 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M34506M4 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34506M4-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES |
| M34507E4FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34507M2-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES |
| M34507M4-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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