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參數(shù)資料
| 型號： | MB9AF312MPMC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP80 |
| 封裝： | 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 85/114頁 |
| 文件大?。?/td> | 1357K |
| 代理商： | MB9AF312MPMC |
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ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
72
SCK/PCINT5 – Port B, Bit 5
SCK: Master clock output, slave clock input pin for SPI channel. When the SPI is enabled as a slave, this pin is configured as
an input regardless of the setting of DDB5. When the SPI is enabled as a master, the data direction of this pin is controlled
by DDB5. When the pin is forced by the SPI to be an input, the pull-up can still be controlled by the PORTB5 bit.
PCINT5: Pin change interrupt source 5. The PB5 pin can serve as an external interrupt source.
MISO/PCINT4 – Port B, Bit 4
MISO: Master data input, slave data output pin for SPI channel. When the SPI is enabled as a master, this pin is configured
as an input regardless of the setting of DDB4. When the SPI is enabled as a slave, the data direction of this pin is controlled
by DDB4. When the pin is forced by the SPI to be an input, the pull-up can still be controlled by the PORTB4 bit.
PCINT4: Pin change interrupt source 4. The PB4 pin can serve as an external interrupt source.
MOSI/OC2/PCINT3 – Port B, Bit 3
MOSI: SPI master data output, slave data input for SPI channel. When the SPI is enabled as a slave, this pin is configured
as an input regardless of the setting of DDB3. When the SPI is enabled as a master, the data direction of this pin is
controlled by DDB3. When the pin is forced by the SPI to be an input, the pull-up can still be controlled by the PORTB3 bit.
OC2, output compare match output: The PB3 pin can serve as an external output for the Timer/Counter2 compare match.
The PB3 pin has to be configured as an output (DDB3 set (one)) to serve this function. The OC2 pin is also the output pin for
the PWM mode timer function.
PCINT3: Pin Change interrupt source 3. The PB3 pin can serve as an external interrupt source.
SS/OC1B/PCINT2 – Port B, Bit 2
SS: Slave select input. When the SPI is enabled as a slave, this pin is configured as an input regardless of the setting of
DDB2. As a slave, the SPI is activated when this pin is driven low. When the SPI is enabled as a master, the data direction
of this pin is controlled by DDB2. When the pin is forced by the SPI to be an input, the pull-up can still be controlled by the
PORTB2 bit.
OC1B, output compare match output: The PB2 pin can serve as an external output for the Timer/Counter1 compare match
B. The PB2 pin has to be configured as an output (DDB2 set (one)) to serve this function. The OC1B pin is also the output
pin for the PWM mode timer function.
PCINT2: Pin change interrupt source 2. The PB2 pin can serve as an external interrupt source.
OC1A/PCINT1 – Port B, Bit 1
OC1A, output compare match output: The PB1 pin can serve as an external output for the Timer/Counter1 compare match
A. The PB1 pin has to be configured as an output (DDB1 set (one)) to serve this function. The OC1A pin is also the output
pin for the PWM mode timer function.
PCINT1: Pin change interrupt source 1. The PB1 pin can serve as an external interrupt source.
ICP1/CLKO/PCINT0 – Port B, Bit 0
ICP1, input capture pin: The PB0 pin can act as an input capture pin for Timer/Counter1.
CLKO, divided system clock: The divided system clock can be output on the PB0 pin. The divided system clock will be output
if the CKOUT fuse is programmed, regardless of the PORTB0 and DDB0 settings. It will also be output during reset.
PCINT0: Pin change interrupt source 0. The PB0 pin can serve as an external interrupt source.
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