ATmega32U2 Atmel Corporation, ATmega32U2 Datasheet

ATmega32U2

Manufacturer Part Number

ATmega32U2

Description

Manufacturer

Atmel Corporation

Datasheets

1.AT90USB1286.pdf (28 pages)

2.ATMEGA16U2.pdf (309 pages)

3.ATMEGA16U2.pdf (21 pages)

Specifications of ATmega32U2

Flash (kbytes)

32 Kbytes

Pin Count

Max. Operating Frequency

16 MHz

Cpu

8-bit AVR

# Of Touch Channels

Hardware Qtouch Acquisition

Max I/o Pins

Ext Interrupts

Usb Transceiver

Usb Speed

Full Speed

Usb Interface

Device

Spi

Uart

Graphic Lcd

Video Decoder

Camera Interface

Analog Comparators

Resistive Touch Screen

Temp. Sensor

Crypto Engine

Sram (kbytes)

Eeprom (bytes)

1024

Self Program Memory

YES

Dram Memory

Nand Interface

Picopower

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

Mpu / Mmu

no / no

Timers

Output Compare Channels

Input Capture Channels

Pwm Channels

32khz Rtc

Calibrated Rc Oscillator

Yes

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

H&T Electronics

Part Number:

ATMEGA32U2

Quantity:

Company:

BOSTOCK HK LIMITED

Part Number:

ATmega32U2-AU

Manufacturer:

Atmel

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

ATmega32U2-AUR

Manufacturer:

Atmel

Quantity:

10 000

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Features

•

Note:

High Performance, Low Power AVR

Advanced RISC Architecture

Non-volatile Program and Data Memories

USB 2.0 Full-speed Device Module with Interrupt on Transfer Completion

Peripheral Features

On Chip Debug Interface (debugWIRE)

Special Microcontroller Features

I/O and Packages

Operating Voltages

Operating temperature

Maximum Frequency

– 125 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 16 MIPS Throughput at 16 MHz

– 8K/16K/32K Bytes of In-System Self-Programmable Flash

– 512/512/1024 EEPROM

– 512/512/1024 Internal SRAM

– Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM

– Data retention: 20 years at 85°C/ 100 years at 25°C

– Optional Boot Code Section with Independent Lock Bits

– Programming Lock for Software Security

– Complies fully with Universal Serial Bus Specification REV 2.0

– 48 MHz PLL for Full-speed Bus Operation : data transfer rates at 12 Mbit/s

– Fully independant 176 bytes USB DPRAM for endpoint memory allocation

– Endpoint 0 for Control Transfers: from 8 up to 64-bytes

– 4 Programmable Endpoints:

– Suspend/Resume Interrupts

– Microcontroller reset on USB Bus Reset without detach

– USB Bus Disconnection on Microcontroller Request

– One 8-bit Timer/Counters with Separate Prescaler and Compare Mode (two 8-bit

– One 16-bit Timer/Counter with Separate Prescaler, Compare and Capture Mode

– USART with SPI master only mode and hardware flow control (RTS/CTS)

– Master/Slave SPI Serial Interface

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

– Interrupt and Wake-up on Pin Change

– Power-On Reset and Programmable Brown-out Detection

– Internal Calibrated Oscillator

– External and Internal Interrupt Sources

– Five Sleep Modes: Idle, Power-save, Power-down, Standby, and Extended Standby

– 22 Programmable I/O Lines

– QFN32 (5x5mm) / TQFP32 packages

– 2.7 - 5.5V

– Industrial (-40°C to +85°C)

– 8 MHz at 2.7V - Industrial range

– 16 MHz at 4.5V - Industrial range

PWM channels)

(three 8-bit PWM channels)

1. See

In-System Programming by on-chip Boot Program hardware-activated after

reset

True Read-While-Write Operation

IN or Out Directions

Bulk, Interrupt and IsochronousTransfers

Programmable maximum packet size from 8 to 64 bytes

Programmable single or double buffer

“Data Retention” on page 6

8-Bit Microcontroller

for details.

(1)

8-bit

Microcontroller

with

8/16/32K Bytes

of ISP Flash

and USB

Controller

ATmega8U2

ATmega16U2

ATmega32U2

Summary

7799DS–AVR–11/10

Related parts for ATmega32U2

ATmega32U2 Summary of contents

Page 1

... Industrial (-40°C to +85°C) • Maximum Frequency – 8 MHz at 2.7V - Industrial range – 16 MHz at 4.5V - Industrial range Note: 1. See “Data Retention” on page 6 ® 8-Bit Microcontroller (1) for details. 8-bit Microcontroller with 8/16/32K Bytes of ISP Flash and USB Controller ATmega8U2 ATmega16U2 ATmega32U2 Summary 7799DS–AVR–11/10 ...

Page 2

Pin Configurations Figure 1-1. Pinout XTAL1 1 2 (PC0) XTAL2 GND 3 VCC 4 QFN32 (PCINT11 / AIN2 ) PC2 5 (OC.0B / INT0) PD0 6 (AIN0 / INT1) PD1 7 (RXD1 ...

Page 3

Overview The ATmega8U2/16U2/32U2 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega8U2/16U2/32U2 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to ...

Page 4

CISC microcontrollers. The ATmega8U2/16U2/32U2 provides the following features: 8K/16K/32K Bytes of In-System Programmable Flash with Read-While-Write capabilities, 512/512/1024 Bytes EEPROM, 512/512/1024 SRAM, 22 general ...

Page 5

Port C (PC7..PC0) Port 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port C output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port C ...

Page 6

Resources A comprehensive set of development tools, application notes and datasheets are available for download on http://www.atmel.com/avr. 4. Code Examples This documentation contains simple code examples that briefly show how to use various parts of the device. Be aware ...

Page 7

Register Summary Address Name Bit 7 (0xFF) Reserved - (0xFE) Reserved - (0xFD) Reserved - (0xFC) Reserved - (0xFB) UPOE UPWE1 (0xFA) Reserved - (0xF9) Reserved - (0xF8) Reserved - (0xF7) Reserved - (0xF6) Reserved - (0xF5) Reserved - ...

Page 8

Address Name Bit 7 (0xBE) Reserved - (0xBD) Reserved - (0xBC) Reserved - (0xBB) Reserved - (0xBA) Reserved - (0xB9) Reserved - (0xB8) Reserved - (0xB7) Reserved - (0xB6) Reserved - (0xB5) Reserved - (0xB4) Reserved - (0xB3) Reserved - ...

Page 9

Address Name Bit 7 (0x7C) Reserved - (0x7B) Reserved - (0x7A) Reserved - (0x79) Reserved - (0x78) Reserved - (0x77) Reserved - (0x76) Reserved - (0x75) Reserved - (0x74) Reserved - (0x73) Reserved - (0x72) Reserved - (0x71) Reserved - ...

Page 10

Address Name Bit 7 0x1A (0x3A) Reserved - 0x19 (0x39) Reserved - 0x18 (0x38) Reserved - 0x17 (0x37) Reserved - 0x16 (0x36) TIFR1 - 0x15 (0x35) TIFR0 - 0x14 (0x34) Reserved - 0x13 (0x33) Reserved - 0x12 (0x32) Reserved - ...

Page 11

Instruction Set Summary Mnemonics Operands ARITHMETIC AND LOGIC INSTRUCTIONS ADD Rd, Rr ADC Rd, Rr ADIW Rdl,K SUB Rd, Rr SUBI Rd, K SBC Rd, Rr SBCI Rd, K SBIW Rdl,K AND Rd, Rr ANDI Rd Rd, ...

Page 12

Mnemonics Operands ROL Rd ROR Rd ASR Rd SWAP Rd BSET s BCLR s BST Rr, b BLD Rd, b SEC CLC SEN CLN SEZ CLZ SEI CLI SES CLS SEV CLV SET CLT SEH CLH DATA TRANSFER INSTRUCTIONS MOV ...

Page 13

Ordering Information 8.1 ATmega8U2 Speed Power Supply 16 MHz 2.7 - 5.5V 32A 32-lead 1.2 mm, lead pitch 0.8 mm Thin Quad Flat Package 32M1 32-pad body, pad pitch 0.50 ...

Page 14

ATmega16U2 Speed Power Supply 16 MHz 2.7 - 5.5V 32A 32-lead 1.2 mm, lead pitch 0.8 mm Thin Quad Flat Package 32M1 32-pad body, pad pitch 0.50 mm Quad Flat ...

Page 15

... MHz 2.7 - 5.5V 32A 32-lead 1.2 mm, lead pitch 0.8 mm Thin Quad Flat Package 32M1 32-pad body, pad pitch 0.50 mm Quad Flat No lead (QFN) 7799DS–AVR–11/10 ATmega8U2/16U2/32U2 Ordering Code Package ATmega32U2-AU 32A ATmega32U2-MU 32M1-A Package Type Operational Range -40°C to +85°C 15 ...

Page 16

Packaging Information 9.1 QFN32 ATmega8U2/16U2/32U2 16 7799DS–AVR–11/10 ...

Page 17

TQFP32 7799DS–AVR–11/10 ATmega8U2/16U2/32U2 17 ...

Page 18

... Low Power Crystal Oscillator, the system clock can be output on PORTC7 by programming the CKOUT fuse. 10.3 Errata ATmega32U2 The revision letter in this section refers to the revision of the ATmega32U2 device. 10.3.1 rev Known Errata ATmega8U2/16U2/32U2 18 7799DS– ...

Page 19

A and rev B • Full Swing oscillator 1. Full Swing oscillator The maximum frequency for the Full Swing Crystal Oscillator is 8MHz. For Crystal frequen- cies > 8MHz the Full Swing Crystal Oscillator is not guaranteed to ...

Page 20

Datasheet Revision History Please note that the referring page numbers in this section are referred to this document. The referring revision in this section are referring to the document revision. 11.1 Rev. 7799D – 11/10 1. Updated the footnote ...

Page 21

... Atmel Corporation. All rights reserved. / Rev. CORP072610 ® Atmel , logo and combinations thereof, and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products ...

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