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参数资料
| 型号： | MB9AF311MPMC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP80 |
| 封装： | 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件页数： | 73/114页 |
| 文件大小： | 1357K |
| 代理商： | MB9AF311MPMC |
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61
ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
13.2.2 EIMSK – External Interrupt Mask Register
Bit 7:2 – Reserved
These bits are unused bits in the Atmel ATmega48PA/88PA/168PA, and will always read as zero.
Bit 1 – INT1: External Interrupt Request 1 Enable
When the INT1 bit is set (one) and the I-bit in the status register (SREG) is set (one), the external pin interrupt is enabled.
The interrupt sense control1 bits 1/0 (ISC11 and ISC10) in the external interrupt control register A (EICRA) define whether
the external interrupt is activated on rising and/or falling edge of the INT1 pin or level sensed. Activity on the pin will cause an
interrupt request even if INT1 is configured as an output. The corresponding interrupt of external interrupt request 1 is
executed from the INT1 interrupt vector.
Bit 0 – INT0: External Interrupt Request 0 Enable
When the INT0 bit is set (one) and the I-bit in the status register (SREG) is set (one), the external pin interrupt is enabled.
The interrupt sense control0 bits 1/0 (ISC01 and ISC00) in the external interrupt control register A (EICRA) define whether
the external interrupt is activated on rising and/or falling edge of the INT0 pin or level sensed. Activity on the pin will cause an
interrupt request even if INT0 is configured as an output. The corresponding interrupt of external interrupt request 0 is
executed from the INT0 interrupt vector.
13.2.3 EIFR – External Interrupt Flag Register
Bit 7:2 – Reserved
These bits are unused bits in the Atmel ATmega48PA/88PA/168PA, and will always read as zero.
Bit 1 – INTF1: External Interrupt Flag 1
When an edge or logic change on the INT1 pin triggers an interrupt request, INTF1 becomes set (one). If the I-bit in SREG
and the INT1 bit in EIMSK are set (one), the MCU will jump to the corresponding interrupt vector. The flag is cleared when
the interrupt routine is executed. Alternatively, the flag can be cleared by writing a logical one to it. This flag is always cleared
when INT1 is configured as a level interrupt.
Bit 0 – INTF0: External Interrupt Flag 0
When an edge or logic change on the INT0 pin triggers an interrupt request, INTF0 becomes set (one). If the I-bit in SREG
and the INT0 bit in EIMSK are set (one), the MCU will jump to the corresponding interrupt vector. The flag is cleared when
the interrupt routine is executed. Alternatively, the flag can be cleared by writing a logical one to it. This flag is always cleared
when INT0 is configured as a level interrupt.
Bit
76543210
––––––
INT1
INT0
EIMSK
Read/Write
RRRRRR
R/W
Initial Value
00000000
Bit
76543210
––––––
INTF1
INTF0
EIFR
Read/Write
RRRRRR
R/W
Initial Value
00000000
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MB9AF312KPMC1-G-JNE2 | 功能描述:ARM? Cortex?-M3 FM3 MB9A310K Microcontroller IC 32-Bit 40MHz 160KB (160K x 8) FLASH 52-LQFP (10x10) 制造商:cypress semiconductor corp 系列:FM3 MB9A310K 包装:托盘 零件状态:有效 核心处理器:ARM? Cortex?-M3 核心尺寸:32-位 速度:40MHz 连接性:CSIO，I2C，LIN，UART/USART，USB 外设:DMA，LVD，POR，PWM，WDT I/O 数:36 程序存储容量:160KB（160K x 8） 程序存储器类型:闪存 EEPROM 容量:- RAM 容量:16K x 8 电压 - 电源（Vcc/Vdd）:2.7 V ~ 5.5 V 数据转换器:A/D 8x12b 振荡器类型:内部 工作温度:-40°C ~ 105°C（TA） 封装/外壳:52-LQFP 供应商器件封装:52-LQFP（10x10） 标准包装:160 |
| MB9AF312KPMC-ES-E1 | 制造商:FUJITSU 功能描述: |
| MB9AF312KPMC-G-JNE1 | 制造商:FUJITSU 功能描述: |
| MB9AF312KPMC-G-JNE2 | 功能描述:ARM? Cortex?-M3 FM3 MB9A310K Microcontroller IC 32-Bit 40MHz 160KB (160K x 8) FLASH 48-LQFP (7x7) 制造商:cypress semiconductor corp 系列:FM3 MB9A310K 包装:托盘 零件状态:有效 核心处理器:ARM? Cortex?-M3 核心尺寸:32-位 速度:40MHz 连接性:CSIO，I2C，LIN，UART/USART，USB 外设:DMA，LVD，POR，PWM，WDT I/O 数:36 程序存储容量:160KB（160K x 8） 程序存储器类型:闪存 EEPROM 容量:- RAM 容量:16K x 8 电压 - 电源（Vcc/Vdd）:2.7 V ~ 5.5 V 数据转换器:A/D 8x12b 振荡器类型:内部 工作温度:-40°C ~ 105°C（TA） 封装/外壳:48-LQFP 供应商器件封装:48-LQFP（7x7） 标准包装:250 |
| MB9AF312KQN-ES-AWE2 | 制造商:FUJITSU 功能描述: |
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