ATMEGA32U2-MUR Atmel, ATMEGA32U2-MUR Datasheet - Page 49

• 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: -

10.2.2
7799D–AVR–11/10
External Reset
Figure 10-3. MCU Start-up, RESET Extended Externally
An External Reset is generated by a low level on the RESET pin. Reset pulses longer than the
minimum pulse width (see
reset, even if the clock is not running. Shorter pulses are not guaranteed to generate a reset.
When the applied signal reaches the Reset Threshold Voltage – V
delay counter starts the MCU after the Time-out period – t
Figure 10-4. External Reset During Operation
INTERNAL
TIME-OUT
RESET
RESET
V
CC
CC
V
“System and Reset Characteristics” on page
POT
V
RST
t
ATmega8U2/16U2/32U2
TOUT
TOUT
– has expired.
RST
– on its positive edge, the
267) will generate a
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