ATMEGA32U2-AU Atmel, ATMEGA32U2-AU Datasheet - Page 34

• Manufacturer Part Number: ATMEGA32U2-AU
• Description: IC MCU 8BIT 32KB FLASH 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32U2-AU

• 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-TQFP, 32-VQFP
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
• Minimum Operating Temperature: - 40 C
• Controller Family/series: AVR MEGA
• No. Of I/o's: 22
• Eeprom Memory Size: 1KB
• Ram Memory Size: 1KB
• Cpu Speed: 16MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

7799D–AVR–11/10
Notes:
When this Oscillator is selected, start-up times are determined by the SUT Fuses as shown in
Table 8-5 on page
Table 8-7.
Note:
Power Conditions
BOD enabled
Fast rising power
Slowly rising power
1. The device is shipped with this option selected.
2. The frequency ranges are preliminary values. Actual values are TBD.
3. If 8 MHz frequency exceeds the specification of the device (depends on V
1. The device is shipped with this option selected.
Fuse can be programmed in order to divide the internal frequency by 8.
Start-up times for the internal calibrated RC Oscillator clock selection
31.
Start-up Time from Power-
down and Power-save
Reserved
6 CK
6 CK
6 CK
ATmega8U2/16U2/32U2
Additional Delay from
Reset (V
14 CK + 65 ms
14 CK + 4.1 ms
14 CK
CC
= 5.0V)
(1)
CC
), the CKDIV8
SUT1..0
00
01
10
11
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