ATMEGA32U4-AU Atmel, ATMEGA32U4-AU Datasheet - Page 156

MCU AVR 32K FLASH 16MHZ 44-TQFP

ATMEGA32U4-AU

Manufacturer Part Number
ATMEGA32U4-AU
Description
MCU AVR 32K FLASH 16MHZ 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar

Specifications of ATMEGA32U4-AU

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-TQFP, 44-VQFP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2.5 KB
Interface Type
SPI/TWI/USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
26
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
12-ch x 10-bit
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Total Internal Ram Size
2.5KB
# I/os (max)
26
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
TQFP
Controller Family/series
AVR MEGA
No. Of I/o's
26
Eeprom Memory Size
1KB
Ram Memory Size
2.5KB
Cpu Speed
16MHz
Rohs Compliant
Yes
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
ATMEGA32U4-16AU
ATMEGA32U4-16AU

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
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15.9
7766F–AVR–11/10
Timer/Counter Timing Diagrams
Table 15-5.
The Timer/Counter is a synchronous design and the timer clock (clk
clock enable signal in the following figures. The figures include information on when Interrupt
Flags are set.
Figure 15-16
sequence close to the MAX value in all modes other than Phase and Frequency Correct PWM
Mode.
other than Phase and Frequency Correct PWM Mode.
OCF4A, OCF4B and OCF4D in all modes, and
Phase and Frequency Correct PWM Mode.
Figure 15-16. Timer/Counter Timing Diagram, no Prescaling
Figure 15-17. Timer/Counter Timing Diagram, with Prescaler (f
TCNTn
(clk
TCNTn
(clk
COM4A1
1
1
COM4D1
0
0
1
1
TOVn
TOVn
clk
clk
clk
clk
PCK
PCK
PCK
Tn
PCK
Tn
/1)
/8)
Figure 15-17
contains timing data for basic Timer/Counter operation. The figure shows the count
Output Compare Pin configurations in PWM6 Mode (Continued)
COM4A0
0
1
COM4D0
0
1
0
1
TOP - 1
TOP - 1
shows the same timing data, but with the prescaler enabled, in all modes
OC4A Pin (PC6)
OC4A •
OC4A •
OC4D Pin (PD6)
Disconnected
OC4A •
OC4A •
OC4A •
TOP
TOP
OC4OE2
OC4OE2
OC4OE4
OC4OE4
OC4OE4
Figure 15-19
BOTTOM
BOTTOM
Figure 15-18
clkT4
ATmega16/32U4
shows the setting of TOV4 in
OC4A Pin (PC7)
OC4A •
OC4A •
OC4D Pin (PD7)
Disconnected
OC4A •
OC4A •
OC4A •
/8)
T4
) is therefore shown as a
shows the setting of
OC4OE3
OC4OE3
OC4OE5
OC4OE5
OC4OE5
BOTTOM + 1
BOTTOM + 1
156

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