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ATMEGA32U2-MU 用户编程技术手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
8位微控制器
封装:
VQFN-32
描述:
8 位 megaAVR 微控制器，带 USB 控制器，Atmel这些 megaAVR® 微控制器具有 USB 控制器，并且可以提供大量程序和数据内存，性能高达 20 MIPS。 所有 megaAVR 均提供自动编程功能，可实现快速、安全、经济实惠的在线升级。### AVR 微控制器，Atmel
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引脚图在P2P4P69Hot
原理图在P3P7P67P91P92P94P95P109P114P115P117P119
型号编码规则在P294P295P296
封装信息在P297
应用领域在P39P47P65P66P226P230P246P247
电气规格在P244
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ATMEGA32U2-MU数据手册
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Features
• High Performance, Low Power AVR
®
8-Bit Microcontroller
• Advanced RISC Architecture
– 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
• Non-volatile Program and Data Memories
– 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 85C/ 100 years at 25C
(1)
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by on-chip Boot Program hardware-activated after
reset
True Read-While-Write Operation
– Programming Lock for Software Security
• USB 2.0 Full-speed Device Module with Interrupt on Transfer Completion
– 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:
IN or Out Directions
Bulk, Interrupt and IsochronousTransfers
Programmable maximum packet size from 8 to 64 bytes
Programmable single or double buffer
– Suspend/Resume Interrupts
– Microcontroller reset on USB Bus Reset without detach
– USB Bus Disconnection on Microcontroller Request
• Peripheral Features
– One 8-bit Timer/Counters with Separate Prescaler and Compare Mode (two 8-bit
PWM channels)
– One 16-bit Timer/Counter with Separate Prescaler, Compare and Capture Mode
(three 8-bit PWM channels)
– 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
• On Chip Debug Interface (debugWIRE)
• Special Microcontroller Features
– 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
• I/O and Packages
– 22 Programmable I/O Lines
– QFN32 (5x5mm) / TQFP32 packages
• Operating Voltages
– 2.7 - 5.5V
• Operating temperature
– 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 for details.
8-bit
Microcontroller
with
8/16/32K Bytes
of ISP Flash
and USB
Controller
ATmega8U2
ATmega16U2
ATmega32U2
7799E–AVR–09/2012
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