ATMEGA16U4-MU Atmel, ATMEGA16U4-MU Datasheet - Page 83
ATMEGA16U4-MU
Manufacturer Part Number
ATMEGA16U4-MU
Description
MCU AVR 16K FLASH 16MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16U4-MU.pdf
(433 pages)
Specifications of ATMEGA16U4-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
26
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA16U4-16MU
ATMEGA16U4-16MU
ATMEGA16U4-16MU
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10.4.2
10.4.3
10.4.4
10.4.5
10.4.6
10.4.7
10.4.8
10.4.9
7766F–AVR–11/10
Port B Data Direction Register – DDRB
Port B Input Pins Address – PINB
Port C Data Register – PORTC
Port C Data Direction Register – DDRC
Port C Input Pins Address – PINC
Port D Data Register – PORTD
Port D Data Direction Register – DDRD
Port D Input Pins Address – PIND
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
7
DDB7
R/W
0
7
PINB7
R/W
N/A
7
PORTC
7
R/W
0
7
DDC7
R/W
0
7
PINC7
R/W
N/A
7
PORTD
7
R/W
0
7
DDD7
R/W
0
7
PIND7
R/W
N/A
6
DDB6
R/W
0
6
PINB6
R/W
6
PORTC
6
R/W
0
6
DDC6
R/W
0
6
PINC6
R/W
6
PORTD
6
R/W
0
6
DDD6
R/W
0
6
PIND6
R/W
N/A
N/A
N/A
5
DDB5
R/W
0
5
PINB5
R/W
5
-
R/W
0
5
-
R/W
0
5
-
R/W
5
PORTD
5
R/W
0
5
DDD5
R/W
0
5
PIND5
R/W
N/A
N/A
N/A
4
DDB4
0
4
4
-
0
4
-
0
4
-
4
PORTD
4
0
4
DDD4
0
4
R/W
PINB4
R/W
N/A
R/W
R/W
R/W
N/A
R/W
R/W
PIND4
R/W
N/A
3
DDB3
R/W
0
3
PINB3
R/W
N/A
3
-
R/W
0
3
-
R/W
0
3
-
R/W
N/A
3
PORTD
3
R/W
0
3
DDD3
R/W
0
3
PIND3
R/W
N/A
2
DDB2
R/W
0
2
PINB2
R/W
N/A
2
-
R/W
0
2
-
R/W
0
2
-
R/W
N/A
2
PORTD
2
R/W
0
2
DDD2
R/W
0
2
PIND2
R/W
N/A
1
DDB1
R/W
0
1
PINB1
R/W
N/A
1
-
R/W
0
1
-
R/W
0
1
-
R/W
N/A
1
PORTD
1
R/W
0
1
DDD1
R/W
0
1
PIND1
R/W
N/A
ATmega16/32U4
0
DDB0
R/W
0
0
PINB0
R/W
N/A
0
-
R/W
0
0
-
R/W
0
0
-
R/W
N/A
0
PORTD
0
R/W
0
0
DDD0
R/W
0
0
PIND0
R/W
N/A
DDRB
PINB
PORTC
DDRC
PINC
PORTD
DDRD
PIND
83
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