ATmega16U2 Atmel Corporation, ATmega16U2 Datasheet - Page 34

• Manufacturer Part Number: ATmega16U2
• Manufacturer: Atmel Corporation

Specifications of ATmega16U2

• Flash (kbytes): 16 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 22
• Ext Interrupts: 21
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 5
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

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
34