atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 71
atmega32u4-16mu
Manufacturer Part Number
atmega32u4-16mu
Description
Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA32U4-16MU.pdf
(431 pages)
- Current page: 71 of 431
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ATmega32U4
OC1B, Output Compare Match B output: The PB6 pin can serve as an external output for the
Timer/Counter1 Output Compare B. The pin has to be configured as an output (DDB6 set “one”)
to serve this function. The OC1B pin is also the output pin for the PWM mode timer function.
PCINT6, Pin Change Interrupt source 6: The PB7 pin can serve as an external interrupt source.
OC.4B: Timer 4 Output Compare B. This pin can be used to generate a high-speed PWM signal
from Timer 4 module. The pin has to be configured as an output (DDB6 set “one”) to serve this
function.
ADC13: Analog to Digital Converter, channel 13.
• OC1A/PCINT5/OC.4B/ADC12, Bit 5
OC1A, Output Compare Match A output: The PB5 pin can serve as an external output for the
Timer/Counter1 Output Compare A. The pin has to be configured as an output (DDB5 set (one))
to serve this function. The OC1A pin is also the output pin for the PWM mode timer function.
PCINT5, Pin Change Interrupt source 5: The PB7 pin can serve as an external interrupt source.
OC.4B: Timer 4 Output Compare B. This pin can be used to generate a high-speed PWM signal
from Timer 4 module, complementary to OC.4B (PB5) signal. The pin has to be configured as an
output (DDB5 set (one)) to serve this function.
ADC12: Analog to Digital Converter, channel 12.
• OC2A/PCINT4/ADC11, Bit 4
OC2A, Output Compare Match output: The PB4 pin can serve as an external output for the
Timer/Counter2 Output Compare. The pin has to be configured as an output (DDB4 set (one)) to
serve this function. The OC2A pin is also the output pin for the PWM mode timer function.
PCINT4, Pin Change Interrupt source 4: The PB7 pin can serve as an external interrupt source.
ADC11, Analog to Digital Converter channel 11.
• PDO/MISO/PCINT3 – Port B, Bit 3
PDO, SPI Serial Programming Data Output. During Serial Program Downloading, this pin is
used as data output line for the ATmega32U4.
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 DDB3. When the SPI is
enabled as a slave, the data direction of this pin is controlled by DDB3. When the pin is forced to
be an input, the pull-up can still be controlled by the PORTB3 bit.
PCINT3, Pin Change Interrupt source 3: The PB7 pin can serve as an external interrupt source.
• PDI/MOSI/PCINT2 – Port B, Bit 2
PDI, SPI Serial Programming Data Input. During Serial Program Downloading, this pin is used
as data input line for the ATmega32U4.
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 DDB2. When the SPI is
enabled as a master, the data direction of this pin is controlled by DDB2. When the pin is forced
to be an input, the pull-up can still be controlled by the PORTB2 bit.
PCINT2, Pin Change Interrupt source 2: The PB7 pin can serve as an external interrupt source.
71
7766A–AVR–03/08
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