ATMEGA32U4-AU Atmel, ATMEGA32U4-AU Datasheet - Page 427

• 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

7766F–AVR–11/10
14 16-bit Timers/Counters (Timer/Counter1 and Timer/Counter3) ....... 108
15 10-bit High Speed Timer/Counter4 ..................................................... 138
16 Output Compare Modulator (OCM1C0A) ........................................... 175
17 Serial Peripheral Interface – SPI ......................................................... 177
18 USART ................................................................................................... 186
13.88-bit Timer/Counter Register Description ............................................................102
14.1Overview .............................................................................................................108
14.2Accessing 16-bit Registers ..................................................................................110
14.3Timer/Counter Clock Sources .............................................................................113
14.4Counter Unit ........................................................................................................114
14.5Input Capture Unit ...............................................................................................115
14.6Output Compare Units .........................................................................................117
14.7Compare Match Output Unit ................................................................................119
14.8Modes of Operation .............................................................................................120
14.9Timer/Counter Timing Diagrams .........................................................................127
14.1016-bit Timer/Counter Register Description ........................................................129
15.1Features ..............................................................................................................138
15.2Overview .............................................................................................................138
15.3Counter Unit ........................................................................................................142
15.4Output Compare Unit ..........................................................................................143
15.5Dead Time Generator ..........................................................................................145
15.6Compare Match Output Unit ................................................................................146
15.7Synchronous update ...........................................................................................149
15.8Modes of Operation .............................................................................................149
15.9Timer/Counter Timing Diagrams .........................................................................156
15.10Fault Protection Unit ..........................................................................................157
15.11Accessing 10-Bit Registers ...............................................................................159
15.12Register Description ..........................................................................................162
16.1Overview .............................................................................................................175
16.2Description ..........................................................................................................175
17.1SS Pin Functionality ............................................................................................181
17.2Data Modes .........................................................................................................184
18.1Overview .............................................................................................................186
18.2Clock Generation .................................................................................................187
ATmega16/32U4
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