ATMEGA32U4-MU Atmel, ATMEGA32U4-MU Datasheet - Page 79
ATMEGA32U4-MU
Manufacturer Part Number
ATMEGA32U4-MU
Description
MCU AVR 32K FLASH 16MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32U4-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
26
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2.5K 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
Package
44QFN EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
16 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
26
Interface Type
EBI/I2S/SPI/TWI/USART/USB
On-chip Adc
12-chx10-bit
Number Of Timers
5
For Use With
ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - 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
ATMEGA32U4-16MU
ATMEGA32U4-16MU
ATMEGA32U4-16MU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA32U4-MUR
Manufacturer:
UCC
Quantity:
1 001
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- Download datasheet (9Mb)
7766F–AVR–11/10
Table 10-9.
Table 10-10. Overriding Signals for Alternate Functions in PD3.PD0
Note:
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
1. When enabled, the 2-wire Serial Interface enables Slew-Rate controls on the output pins PD0
and PD1. This is not shown in this table. In addition, spike filters are connected between the
AIO outputs shown in the port figure and the digital logic of the TWI module.
Overriding Signals for Alternate Functions PD7..PD4
PD3/INT3/TXD1
TXEN1
0
TXEN1
1
TXEN1
TXD1
INT3 ENABLE
1
INT3 INPUT
–
PD7/T0/
OC4D/ADC10
0
0
0
0
0
0
0
0
T0 INPUT
–
PD6/T1/
OC4D/ADC9
0
0
0
0
0
0
0
0
T1 INPUT
–
PD2/INT2/RXD1
RXEN1
PORTD2 • PUD
RXEN1
0
0
0
INT2 ENABLE
1
INT2 INPUT/RXD1
–
PD5/XCK1/CTS
0
0
XCK1 OUTPUT
ENABLE
1
XCK1 OUTPUT
ENABLE
XCK1 OUTPUT
0
0
XCK1 INPUT
–
PD1/INT1/SDA
TWEN
PORTD1 • PUD
TWEN
SDA_OUT
TWEN ENABLE
0
INT1 ENABLE
1
INT1 INPUT
SDA INPUT
ATmega16/32U4
(1)
PD4/ICP1/
ADC8
0
0
0
0
0
0
0
0
ICP1 INPUT
–
PD0/INT0/SCL/
OC0B
TWEN
PORTD0 • PUD
TWEN
SCL_OUT
TWEN | OC0B
ENABLE
OC0B
INT0 ENABLE
1
INT0 INPUT
SCL INPUT
79
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