ATMEGA32U4RC-MU Atmel, ATMEGA32U4RC-MU Datasheet

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ATMEGA32U4RC-MU

Manufacturer Part Number
ATMEGA32U4RC-MU
Description
IC MPU AVR 16K 16MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet

Specifications of ATMEGA32U4RC-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
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA32U4RC-MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Features
High Performance, Low Power AVR
Advanced RISC Architecture
Non-volatile Program and Data Memories
JTAG (IEEE std. 1149.1 compliant) Interface
USB 2.0 Full-speed/Low Speed Device Module with Interrupt on Transfer Completion
Peripheral Features
– 135 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
– On-Chip 2-cycle Multiplier
– 16/32K Bytes of In-System Self-Programmable Flash (ATmega16U4/ATmega32U4)
– 1.25/2.5K Bytes Internal SRAM (ATmega16U4/ATmega32U4)
– 512Bytes/1K Bytes Internal EEPROM (ATmega16U4/ATmega32U4)
– 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
– Boundary-scan Capabilities According to the JTAG Standard
– Extensive On-chip Debug Support
– Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
– Complies fully with Universal Serial Bus Specification Rev 2.0
– Supports data transfer rates up to 12 Mbit/s and 1.5 Mbit/s
– Endpoint 0 for Control Transfers: up to 64-bytes
– 6 Programmable Endpoints with IN or Out Directions and with Bulk, Interrupt or
– Configurable Endpoints size up to 256 bytes in double bank mode
– Fully independent 832 bytes USB DPRAM for endpoint memory allocation
– Suspend/Resume Interrupts
– CPU Reset possible on USB Bus Reset detection
– 48 MHz from PLL for Full-speed Bus Operation
– USB Bus Connection/Disconnection on Microcontroller Request
– Crystal-less operation for Low Speed mode
– On-chip PLL for USB and High Speed Timer: 32 up to 96 MHz operation
– One 8-bit Timer/Counter with Separate Prescaler and Compare Mode
– Two 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
– One 10-bit High-Speed Timer/Counter with PLL (64 MHz) and Compare Mode
– Four 8-bit PWM Channels
– Four PWM Channels with Programmable Resolution from 2 to 16 Bits
– Six PWM Channels for High Speed Operation, with Programmable Resolution from
– Output Compare Modulator
– 12-channels, 10-bit ADC (features Differential Channels with Programmable Gain)
– Programmable Serial USART with Hardware Flow Control
– Master/Slave SPI Serial Interface
Isochronous Transfers
2 to 11 Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
All supplied parts are preprogramed with a default USB bootloader
®
8-Bit Microcontroller
(1)
8-bit
Microcontroller
with
16/32K Bytes of
ISP Flash
and USB
Controller
ATmega16U4
ATmega32U4
Preliminary
Summary
7766FS–AVR–11/10

Related parts for ATMEGA32U4RC-MU

ATMEGA32U4RC-MU Summary of contents

Page 1

Features • High Performance, Low Power AVR • Advanced RISC Architecture – 135 Powerful Instructions – Most Single Clock Cycle Execution – General Purpose Working Registers – Fully Static Operation – MIPS Throughput at ...

Page 2

Byte Oriented 2-wire Serial Interface – Programmable Watchdog Timer with Separate On-chip Oscillator – On-chip Analog Comparator – Interrupt and Wake-up on Pin Change – On-chip Temperature Sensor • Special Microcontroller Features – Power-on Reset and Programmable Brown-out Detection ...

Page 3

Pin Configurations Figure 1-1. (INT.6/AIN0) PE6 (SS/PCINT0) PB0 (PCINT1/SCLK) PB1 (PDI/PCINT2/MOSI) PB2 (PDO/PCINT3/MISO) PB3 2. Overview The ATmega16U4/ATmega32U4 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock ...

Page 4

Block Diagram Figure 2-1. Block Diagram PF7 - PF4 VCC PORTF DRIVERS GND DATA REGISTER PORTF PROGRAM JTAG TAP COUNTER PROGRAM ON-CHIP DEBUG FLASH BOUNDARY- INSTRUCTION SCAN REGISTER PROGRAMMING INSTRUCTION LOGIC DECODER TEMPERATURE CONTROL SENSOR LINES AVCC ADC AGND ...

Page 5

... Application Flash section is updated, providing true Read-While-Write operation. By combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the ATMEL ATmega16U4/ATmega32U4 is a powerful microcontroller that pro- vides a highly flexible and cost effective solution to many embedded control applications. ...

Page 6

Only bits 6 and 7 are present on the product pinout. Port C also serves the functions of special features of the ATmega16U4/ATmega32U4 as listed on page 2.2.5 Port D (PD7..PD0) Port 8-bit bi-directional I/O port with ...

Page 7

UVCC USB Pads Internal Regulator Input supply voltage. 2.2.12 UCAP USB Pads Internal Regulator Output supply voltage. Should be connected to an external capac- itor (1µF). 2.2.13 VBUS USB VBUS monitor input. 2.2.14 RESET Reset input. A low level ...

Page 8

... Resources A comprehensive set of development tools, application notes and datasheets are available for download on http://www.atmel.com/avr. 3.3 Code Examples This documentation contains simple code examples that briefly show how to use various parts of the device. Be aware that not all C compiler vendors include bit definitions in the header files and interrupt handling compiler dependent ...

Page 9

Register Summary Address Name Bit 7 (0xFF) Reserved - (0xFE) Reserved - (0xFD) Reserved - (0xFC) Reserved - (0xFB) Reserved - (0xFA) Reserved - (0xF9) Reserved (0xF8) Reserved - (0xF7) Reserved - (0xF6) Reserved - (0xF5) Reserved - (0xF4) ...

Page 10

Address Name Bit 7 (0xBE) TCNT4 (0xBD) TWAMR TWAM6 (0xBC) TWCR TWINT (0xBB) TWDR (0xBA) TWAR TWA6 (0xB9) TWSR TWS7 (0xB8) TWBR (0xB7) Reserved - (0xB6) Reserved - (0xB5) Reserved - (0xB4) Reserved - (0xB3) Reserved - (0xB2) Reserved - ...

Page 11

Address Name Bit 7 (0x7C) ADMUX REFS1 (0x7B) ADCSRB ADHSM (0x7A) ADCSRA ADEN (0x79) ADCH (0x78) ADCL (0x77) Reserved - (0x76) Reserved - (0x75) Reserved - (0x74) Reserved - (0x73) Reserved - (0x72) TIMSK4 OCIE4D (0x71) TIMSK3 - (0x70) Reserved ...

Page 12

Address Name Bit 7 0x1B (0x3B) PCIFR - 0x1A (0x3A) Reserved - 0x19 (0x39) TIFR4 OCF4D 0x18 (0x38) TIFR3 - 0x17 (0x37) Reserved - 0x16 (0x36) TIFR1 - 0x15 (0x35) TIFR0 - 0x14 (0x34) Reserved - 0x13 (0x33) Reserved - ...

Page 13

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 14

Mnemonics Operands BRVC k BRIE k BRID k BIT AND BIT-TEST INSTRUCTIONS SBI P,b CBI P,b LSL Rd LSR Rd ROL Rd ROR Rd ASR Rd SWAP Rd BSET s BCLR s BST Rr, b BLD Rd, b SEC CLC ...

Page 15

Mnemonics Operands SPM IN Rd, P OUT P, Rr PUSH Rr POP Rd MCU CONTROL INSTRUCTIONS NOP SLEEP WDR BREAK 7766FS–AVR–11/10 Description Store Program Memory In Port Out Port Push Register on Stack Pop Register from Stack No Operation Sleep ...

Page 16

Ordering Information 6.1 ATmega16U4 Speed (MHz) Power Supply Ordering Code ATmega16U4-AU ATmega16U4RC-AU 16 2.7 - 5.5V ATmega16U4-MU ATmega16U4RC-MU ML Lead Body Size, 1.0 mm Body Thickness 44ML 0.8 mm Lead Pitch, Thin Profile ...

Page 17

... Power Supply Ordering Code ATmega32U4-AU ATmega32U4RC-AU 16 2.7 - 5.5 V ATmega32U4-MU ATmega32U4RC-MU ML Lead Body Size, 1.0 mm Body Thickness 44ML 0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP) PW Lead 7.0 x 7.0 mm Body, 0.50 mm Pitch 44PW Quad Flat No Lead Package (QFN) 7766FS–AVR–11/10 ...

Page 18

Packaging Information 7.1 TQFP44 7766FS–AVR–11/10 ATmega16/32U4 18 ...

Page 19

QFN44 7766FS–AVR–11/10 ATmega16/32U4 19 ...

Page 20

Errata The revision letter in this section refers to the revision of the ATmega16U4/ATmega32U4 device. 8.1 ATmega16U4/ATmega32U4 Rev E • Spike on TWI pins when TWI is enabled • High current consumption in sleep mode • MSB of OCR4A/B/D ...

Page 21

PWM mode T Timer 4 11-bits enhanced mode is not functional. Problem Fix/work around None. 8.3 ATmega16U4/ATmega32U4 Rev C Not sampled 8.4 ATmega16U4/ATmega32U4 Rev B • Spike on TWI pins when TWI is enabled • ...

Page 22

ATmega16U4/ATmega32U4 Rev A • Spike on TWI pins when TWI is enabled • High current consumption in sleep mode • Increased power consumption in power-down mode • Internal RC oscillator start up may fail • Internal RC oscillator calibration ...

Page 23

PWM mode T Timer 4 11-bits enhanced mode is not functional. Problem Fix/work around None. ATmega16/32U4 23 7766FS–AVR–11/10 ...

Page 24

... Updated “ADC Control and Status Register B – ADCSRB” on page ADCSRB register as in “ADC Control and Status Register B – ADCSRB” on page Updated the last page according to Atmel new Brand Style Guide. Updated “Features” on page 1. Updated “Features” on page 253 ...

Page 25

Rev. 7766B – 11/ 9.6 Rev. 7766A – 07/08 1. ATmega16/32U4 25 Added ATmega16U4 device. Created errata section and added ATmega16U4. Updated High Speed Timer, asynchronous description Initial revision Section 15. on page 139 7766FS–AVR–11/10 ...

Page 26

... 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. EXCEPT AS SET FORTH IN THE ATMEL TERMS AND CONDITIONS OF SALES LOCATED ON THE ATMEL WEBSITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ...

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