ATmega16U4 Atmel Corporation, ATmega16U4 Datasheet - Page 2
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
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Note:
7766F–AVR–11/10
Special Microcontroller Features
I/O and Packages
Operating Voltages
Operating temperature
Maximum Frequency
– Byte Oriented 2-wire Serial Interface
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
– On-chip Temperature Sensor
– Power-on Reset and Programmable Brown-out Detection
– Internal 8 MHz Calibrated Oscillator
– Internal clock prescaler & On-the-fly Clock Switching (Int RC / Ext Osc)
– External and Internal Interrupt Sources
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
– All I/O combine CMOS outputs and LVTTL inputs
– 26 Programmable I/O Lines
– 44-lead TQFP Package, 10x10mm
– 44-lead QFN Package, 7x7mm
– 2.7 - 5.5V
– Industrial (-40°C to +85°C)
– 8 MHz at 2.7V - Industrial range
– 16 MHz at 4.5V - Industrial range
1. See
“Data Retention” on page 8
for details.
ATmega16/32U4
2
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