ATMEGA32U4-MU Atmel, ATMEGA32U4-MU Datasheet - Page 4
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATMEGA32U4-MU
Manufacturer Part Number
ATMEGA32U4-MU
Description
MCU AVR 32K FLASH 16MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32U4-MU
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
Package
44QFN EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
16 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
26
Interface Type
EBI/I2S/SPI/TWI/USART/USB
On-chip Adc
12-chx10-bit
Number Of Timers
5
For Use With
ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA32U4-16MU
ATMEGA32U4-16MU
ATMEGA32U4-16MU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA32U4-MUR
Manufacturer:
UCC
Quantity:
1 001
- Current page: 4 of 433
- Download datasheet (9Mb)
2.1
Figure 2-1.
7766F–AVR–11/10
AREF
AVCC
AGND
GND
VCC
Block Diagram
ON-CHIP DEBUG
PROGRAMMING
Block Diagram
BOUNDARY-
JTAG TAP
LOGIC
SCAN
DATA REGISTER
DATA REGISTER
TEMPERATURE
COMPARATOR
SENSOR
PORTE
ANALOG
PORTF
PF7 - PF4
PE6
ADC
The AVR core combines a rich instruction set with 32 general purpose working registers. All the
32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent
registers to be accessed in one single instruction executed in one clock cycle. The resulting
architecture is more code efficient while achieving throughputs up to ten times faster than con-
ventional CISC microcontrollers.
The ATmega16U4/ATmega32U4 provides the following features: 16/32K bytes of In-System
Programmable Flash with Read-While-Write capabilities, 512Bytes/1K bytes EEPROM,
1.25/2.5K bytes SRAM, 26 general purpose I/O lines (CMOS outputs and LVTTL inputs), 32
general purpose working registers, four flexible Timer/Counters with compare modes and PWM,
one more high-speed Timer/Counter with compare modes and PLL adjustable source, one
USART (including CTS/RTS flow control signals), a byte oriented 2-wire Serial Interface, a 12-
PORTF DRIVERS
PORTE DRIVERS
INSTRUCTION
INSTRUCTION
PROGRAM
PROGRAM
REGISTER
COUNTER
CONTROL
DECODER
FLASH
LINES
PE2
REG. PORTE
REG. PORTF
DATA DIR.
DATA DIR.
PF1 PF0
USART1
DATA REGISTER
REGISTERS
POR - BOD
REGISTER
PURPOSE
GENERAL
POINTER
STATUS
STACK
RESET
SRAM
PORTB
ALU
X
Y
Z
PORTB DRIVERS
PB7 - PB0
REG. PORTB
DATA DIR.
MCU CONTROL
HIGH SPEED
OSCILLATOR
TIMER/PWM
INTERRUPT
WATCHDOG
COUNTERS
REGISTER
INTERNAL
EEPROM
TIMERS/
TIMER
UNIT
SPI
8-BIT DA TA BUS
DATA REGISTER
PORTD
DATA REGISTER
PORTD DRIVERS
PC7
PD7 - PD0
PORTC
PC6
OSCILLATOR
TIMING AND
CALIB. OSC
CONTROL
USB 2.0
PORTC DRIVERS
PLL
REG. PORTD
DATA DIR.
REG. PORTC
TWO-WIRE SERIAL
DATA DIR.
INTERFACE
ATmega16/32U4
REGULATOR
USB PAD 3V
ON-CHIP
UCap
UVcc
VBUS
DP
DM
1uF
4
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