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参数资料
| 型号： | M34513M6-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP32 |
| 封装： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件页数： | 21/99页 |
| 文件大小： | 1204K |
| 代理商： | M34513M6-XXXFP |
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25
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
(1) External 0 interrupt request flag (EXF0)
External 0 interrupt request flag (EXF0) is set to “1” when a valid
waveform is input to P30/INT0 pin.
The valid waveforms causing the interrupt must be retained at their
level for 4 clock cycles or more of the system clock (Refer to Figure
16).
The state of EXF0 flag can be examined with the skip instruction
(SNZ0). Use the interrupt control register V1 to select the interrupt
or the skip instruction. The EXF0 flag is cleared to “0” when an in-
terrupt occurs or when the next instruction is skipped with the skip
instruction.
The P30/INT0 pin need not be selected the external interrupt input
INT0 function or the normal I/O port P30 function. However, the
EXF0 flag is set to “1” when a valid waveform is input even if it is
used as an I/O port P30.
External 0 interrupt activated condition
External 0 interrupt activated condition is satisfied when a valid
waveform is input to P30/INT0 pin.
The valid waveform can be selected from rising waveform, falling
waveform or both rising and falling waveforms. An example of
how to use the external 0 interrupt is as follows.
Select the valid waveform with the bits 1 and 2 of register I1.
Clear the EXF0 flag to “0” with the SNZ0 instruction.
Set the NOP instruction for the case when a skip is performed
with the SNZ0 instruction.
Set both the external 0 interrupt enable bit (V10) and the INTE
flag to “1.”
The external 0 interrupt is now enabled. Now when a valid wave-
form is input to the P30/INT0 pin, the EXF0 flag is set to “1” and the
external 0 interrupt occurs.
(2) External 1 interrupt request flag (EXF1)
External 1 interrupt request flag (EXF1) is set to “1” when a valid
waveform is input to P31/INT1 pin.
The valid waveforms causing the interrupt must be retained at their
level for 4 clock cycles or more of the system clock (Refer to Figure
16).
The state of EXF1 flag can be examined with the skip instruction
(SNZ1). Use the interrupt control register V1 to select the interrupt
or the skip instruction. The EXF1 flag is cleared to “0” when an in-
terrupt occurs or when the next instruction is skipped with the skip
instruction.
The P31/INT1 pin need not be selected the external interrupt input
INT1 function or the normal I/O port P31 function. However, the
EXF1 flag is set to “1” when a valid waveform is input even if it is
used as an I/O port P31.
External 1 interrupt activated condition
External 1 interrupt activated condition is satisfied when a valid
waveform is input to P31/INT1 pin.
The valid waveform can be selected from rising waveform, falling
waveform or both rising and falling waveforms. An example of
how to use the external 1 interrupt is as follows.
Select the valid waveform with the bits 1 and 2 of register I2.
Clear the EXF1 flag to “0” with the SNZ1 instruction.
Set the NOP instruction for the case when a skip is performed
with the SNZ1 instruction.
Set both the external 1 interrupt enable bit (V11) and the INTE
flag to “1.”
The external 1 interrupt is now enabled. Now when a valid wave-
form is input to the P31/INT1 pin, the EXF1 flag is set to “1” and the
external 1 interrupt occurs.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M34513M8 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34513M8-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34513T-PTCA | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Converter for Connecting 32-pin 1.778mm-pitch SDIP (for 4500 Series) |
| M34513T-PTCB | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Converter for Connecting 32-pin 1.778mm-pitch SDIP to 40-core narrow-pitch(for 4500 Series) |
| M34513T-PTCC | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Converter for Connecting 40-core narrow-pitch to 32-pin 0.8mm-pitch LQFP(for 4500 Series) |
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