ATmega16U4 Atmel Corporation, ATmega16U4 Datasheet - Page 24
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ATmega16U4
Manufacturer Part Number
ATmega16U4
Description
Manufacturer
Atmel Corporation
Specifications of ATmega16U4
Flash (kbytes)
16 Kbytes
Pin Count
44
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
14
Hardware Qtouch Acquisition
No
Max I/o Pins
26
Ext Interrupts
13
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
2.1
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
4
Output Compare Channels
12
Input Capture Channels
2
Pwm Channels
8
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
9. Datasheet Revision History for ATmega16U4/ATmega32U4
9.1
9.2
9.3
9.4
7766FS–AVR–11/10
Rev. 7766F – 11/10
Rev. 7766E – 04/10
Rev. 7766D – 01/09
Rev. 7766C – 11/08
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
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Replaced the
Updated
ADCSRB register as in
Updated the last page according to Atmel new Brand Style Guide.
Updated
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Added
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Updated Memory section in
Added section
Added section
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Updated Memory section in
“Typical Characteristics” on page
“ADC Control and Status Register B – ADCSRB” on page
“Features” on page
“Features” on page
Figure 21-9 on page
Section 21.8 on page
“Features” on page
“ATmega16U4/ATmega32U4 Boundary-scan Order” on page
“Program And Data Memory Lock Bits” on page
Table 28-5 on page
“Electrical Characteristics” on page
Figure 29-2 on page
“Ordering Information” on page
“Errata” on page
“Ordering Information” on page
“QFN44” on page 19
“Resources” on page
“Data Retention” on page
“ADC Control and Status Register B – ADCSRB” on page
20.
“Features” on page
“Features” on page
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by an updated drawing.
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ATmega16/32U4
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