ATmega16U2 Atmel Corporation, ATmega16U2 Datasheet - Page 130
ATmega16U2
Manufacturer Part Number
ATmega16U2
Description
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA16U2
Manufacturer:
ATMEL
Quantity:
853
Company:
Part Number:
ATmega16U2-MU
Manufacturer:
RALINK
Quantity:
2 400
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7799D–AVR–11/10
.
Table 16-1.
Table 16-2
PWM mode.
Table 16-2.
Note:
Table 16-3
correct and frequency correct PWM mode.
COMnA1/COMnB1/
COMnA1/COMnB1/
COMnC1
COMnC0
A special case occurs when OCRnA/OCRnB/OCRnC equals TOP and
COMnA1/COMnB1/COMnC1 is set. In this case the compare match is ignored, but the set or clear
is done at TOP.
shows the COMnx[1:0] bit functionality when the WGMn[3:0] bits are set to the phase
0
0
1
1
shows the COMnx[1:0] bit functionality when the WGMn[3:0] bits are set to the fast
0
0
1
1
Compare Output Mode, non-PWM
Compare Output Mode, Fast PWM
See “Fast PWM Mode” on page 97.
COMnA0/COMnB0/
COMnA0/COMnB0/
COMnC0
COMnC0
0
1
0
1
0
1
0
1
Description
Normal port operation, OCnA/OCnB/OCnC
disconnected.
Toggle OCnA/OCnB/OCnC on compare match.
Clear OCnA/OCnB/OCnC on compare match
(set output to low level).
Set OCnA/OCnB/OCnC on compare match (set
output to high level).
Description
Normal port operation, OCnA/OCnB/OCnC
disconnected.
WGM1[3:0] = 14 or 15: Toggle OC1A on
Compare Match, OC1B and OC1C disconnected
(normal port operation). For all other WGM1
settings, normal port operation,
OC1A/OC1B/OC1C disconnected.
Clear OCnA/OCnB/OCnC on compare match,
set OCnA/OCnB/OCnC at TOP
Set OCnA/OCnB/OCnC on compare match,
clear OCnA/OCnB/OCnC at TOP
ATmega8U2/16U2/32U2
for more details.
130
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