ATMEGA32U2-MUR Atmel, ATMEGA32U2-MUR Datasheet - Page 266
ATMEGA32U2-MUR
Manufacturer Part Number
ATMEGA32U2-MUR
Description
MCU AVR 32K FLASH 16MHZ 32VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32U2-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
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26.3
26.4
26.4.1
Table 26-1.
26.4.2
7799D–AVR–11/10
Factory
Calibration
User
Calibration
5. All DC Characteristics contained in this datasheet are based on simulation and characterization of other AVR microcon-
6. Values with “PRR1 – Power Reduction Register 1” disabled (0x00).
7. As specified in the USB Electrical chapter, the D+/D- pads can withstand voltages down to -1V applied through a 39Ω resis-
8. All IOs Except XTAL1 and Reset pins
Speed Grades
Clock Characteristics
Calibrated Internal RC Oscillator Accuracy
External Clock Drive Waveforms
trollers manufactured in the same process technology. These values are preliminary values representing design targets, and
will be updated after characterization of actual silicon
tor (in series with the external 39Ω resistor).
Calibration Accuracy of Internal RC Oscillator
Maximum frequency is depending on V
V
Figure 26-1. Maximum Frequency vs. V
Figure 26-2. External Clock Drive Waveforms
CC
7.3 - 8.1 MHz
curve is linear between 2.7V < V
Frequency
8.0 MHz
16 MHz
8 MHz
V
IL1
V
IH1
2.7V
2.7V - 5.5V
V
3V
CC
Safe Operating Area
CC
CC.
< 4.5V.
CC
As shown in
, ATmega8U2/16U2/32U2
4.5V
ATmega8U2/16U2/32U2
Temperature
-40°C - 85°C
Figure
25°C
5.5V
26-1, the Maximum Frequency vs.
Calibration Accuracy
±10%
±1%
266
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