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参数资料
| 型号： | M37641F8HP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件页数： | 50/136页 |
| 文件大小： | 1672K |
| 代理商： | M37641F8HP |
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20
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
7641 Group
INTERRUPTS
There are twenty-four interrupt sources: five externals, eighteen
internals, and one software.
Interrupt Control
Each interrupt except the BRK instruction interrupt has both an Inter-
rupt Request Bit and an Interrupt Enable Bit, and is controlled by the
Interrupt Disable Flag (I). An interrupt occurs if the corresponding
Interrupt Request and Enable Bits are “1” and the Interrupt Disable
Flag is “0”.
Interrupt Enable Bits can be set or cleared by software. Interrupt Re-
quest Bits can be cleared by software, but cannot be set by software.
Additionally, an active edge of INT1 and INT2 can be selected by
using the interrupt edge select register (address 001116); an active
edge of CNTR0 can be done by using the timer X mode register
(address 002716); an active edge of CNTR1 can be done by using
the timer Y mode register (address 002816).
The BRK instruction interrupt and reset cannot be disabled with any
flag or bit. The I Flag disables all interrupts except the BRK instruc-
tion interrupt and reset. If several interrupts requests occur at the
same time, the interrupt with the highest priority is accepted first.
Interrupt Operation
When an interrupt request occurs, the following operations are auto-
matically performed:
1. The processing being executed is stopped.
2. The contents of the program counter and processor status reg-
ister are automatically pushed onto the stack.
3. The Interrupt Disable Flag is set and the corresponding in-
terrupt request bit is cleared.
4. The interrupt jump destination address is read from the vector
table into the program counter.
sNotes
When setting the followings, the interrupt request bit may be set to
“1”.
When setting external interrupt active edge
Related register: Interrupt polarity select register (address 001116)
Timer X mode register (address 002716)
Timer Y mode register (address 002816)
When not requiring for the interrupt occurrence synchronized with
these setting, take the following sequence.
Set the corresponding Interrupt Enable Bit to “0” (disabled).
Set the Interrupt Edge Select Bit (Active Edge Switch Bit).
Set the corresponding Interrupt Request Bit to “0” after 1 or more
instructions have been executed.
Set the corresponding Interrupt Enable Bit to “1” (enabled).
Fig. 16 Interrupt control
Interrupt request bit
Interrupt enable bit
Interrupt disable flag (I)
BRK instruction
Reset
Interrupt request
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37641F8HP#U0 | 功能描述:IC 740 MCU FLASH 32K 80LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:740/7600 产品培训模块:Graphics LCD System and PIC24 Interface Asynchronous Stimulus 标准包装:27 系列:PIC® 24H 核心处理器:PIC 芯体尺寸:16-位 速度:40 MIP 连通性:I²C，SPI，UART/USART 外围设备:欠压检测/复位，POR，PWM，WDT 输入/输出数:21 程序存储器容量:12KB（4K x 24） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):3 V ~ 3.6 V 数据转换器:A/D 10x10b/12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 包装:管件 产品目录页面:648 (CN2011-ZH PDF) 配用:AC164339-ND - MODULE SKT FOR PM3 28SOICDV164033-ND - KIT START EXPLORER 16 MPLAB ICD2 |
| M37641F8M8-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37641F8-XXXFP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37641F8-XXXHP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37641M8 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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