ATMEGA32U4-MUR Atmel, ATMEGA32U4-MUR Datasheet - Page 80
ATMEGA32U4-MUR
Manufacturer Part Number
ATMEGA32U4-MUR
Description
MCU AVR 16K FLASH 16MHZ 44VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16U4-MU.pdf
(433 pages)
Specifications of ATMEGA32U4-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
26
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA32U4-MUR
Manufacturer:
UCC
Quantity:
1 001
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10.3.5
10.3.6
7766F–AVR–11/10
Alternate Functions of Port E
Alternate Functions of Port F
The Port E pins with alternate functions are shown in
Table 10-11. Port E Pins Alternate Functions
• INT6/AIN0 – Port E, Bit 6
INT6, External Interrupt source 6: The PE6 pin can serve as an external interrupt source.
AIN0 – Analog Comparator Negative input. This pin is directly connected to the negative input of
the Analog Comparator.
• HWB – Port E, Bit 2
HWB allows to execute the bootloader section after reset when tied to ground during external
reset pulse. The HWB mode of this pin is active only when the HWBE fuse is enable. During nor-
mal operation (excluded Reset), this pin acts as a general purpose I/O.
Table 10-12. Overriding Signals for Alternate Functions PE6, PE2
The Port F has an alternate function as analog input for the ADC as shown in
some Port F pins are configured as outputs, it is essential that these do not switch when a con-
version is in progress. This might corrupt the result of the conversion. If the JTAG interface is
Port Pin
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
PE6/INT6/AIN0
0
0
0
0
0
0
INT6 ENABLE
1
INT6 INPUT
AIN0 INPUT
Alternate Function
Not present on pin-out.
INT6/AIN0 (External Interrupt 6 Input or Analog Comparator Positive Input)
Not present on pin-out.
HWB (Hardware bootloader activation)
Not present on pin-out.
PE2/HWB
0
0
0
1
0
0
0
0
HWB
-
Table
10-11.
ATmega16/32U4
Table
10-13. If
80
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