ATMEGA32U4-MUR Atmel, ATMEGA32U4-MUR Datasheet - Page 379
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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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T
Note:
7766F–AVR–11/10
A
Symbol
I
V
I
t
Rusb
Vreg
CC
ACLK
ACID
ACIO
= -40°C to 85°C, V
1. "Max" means the highest value where the pin is guaranteed to be read as low
2. "Min" means the lowest value where the pin is guaranteed to be read as high
3. Although each I/O port can sink more than the test conditions (20mA at VCC = 5V, 10mA at VCC = 3V) under steady state
4. Although each I/O port can source more than the test conditions (20mA at VCC = 5V, 10mA at VCC = 3V) under steady
5. All DC Characteristics contained in this datasheet are based on simulation and characterization of other AVR microcon-
6. Values with “Power Reduction Register 1 - PRR1” disabled (0x00).
conditions (non-transient), the following must be observed:
ATmega16U4/ATmega32U4:
1.)The sum of all IOL, for ports A0-A7, G2, C4-C7 should not exceed 100 mA.
2.)The sum of all IOL, for ports C0-C3, G0-G1, D0-D7 should not exceed 100 mA.
3.)The sum of all IOL, for ports G3-G5, B0-B7, E0-E7 should not exceed 100 mA.
4.)The sum of all IOL, for ports F0-F7 should not exceed 100 mA.
If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test condition.
state conditions (non-transient), the following must be observed:
ATmega16U4/ATmega32U4:
1)The sum of all IOH, for ports A0-A7, G2, C4-C7 should not exceed 100 mA.
2)The sum of all IOH, for ports C0-C3, G0-G1, D0-D7 should not exceed 100 mA.
3)The sum of all IOH, for ports G3-G5, B0-B7, E0-E7 should not exceed 100 mA.
4)The sum of all IOH, for ports F0-F7 should not exceed 100 mA.
trollers manufactured in the same process technology. These values are preliminary values representing design targets, and
will be updated after characterization of actual silicon
Parameter
Power Supply Current
Power-down mode
Analog Comparator
Input Offset Voltage
Analog Comparator
Input Leakage Current
Analog Comparator
Propagation Delay
USB Series resistor
(external)
Regulator Output
Voltage
CC
= 2.7V to 5.5V (unless otherwise noted) (Continued)
(6)
Condition
Active 4MHz, V
(ATmega16U4/ATmega32U4)
Active 8MHz, V
(ATmega16U4/ATmega32U4)
Idle 4MHz, V
(ATmega16U4/ATmega32U4)
Idle 8MHz, V
(ATmega16U4/ATmega32U4)
WDT enabled, V
Regulator Disabled
WDT disabled, V
3V,Regulator Disabled
V
V
V
V
V
V
C
UVcc ≥ 4.0V, I≤80mA
or
UVcc ≥ 3.4V, I≤55mA
CC
in
CC
in
CC
CC
UCAP
= V
= V
= 5V
= 5V
= 2.7V
= 4.0V
= 1µF±20%,
CC
CC
/2
/2
CC
CC
CC
CC
= 3V
= 5V
CC
CC
= 3V
= 5V
= 3V,
=
(7)
(7)
,
Min.
-50
3.0
(5)
22±5%
Typ.
<10
<10
750
500
3.3
10
1
ATmega16/32U4
Max.
3.6
15
12
40
50
5
2
6
5
(5)
Units
mA
mA
mA
mA
mV
µA
µA
nA
ns
Ω
V
379
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