atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet
atmega32u4-16mu
Manufacturer Part Number
atmega32u4-16mu
Description
Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA32U4-16MU.pdf
(431 pages)
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- Download datasheet (6Mb)
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
– 32K Bytes of In-System Self-Programmable Flash
– Optional Boot Code Section with Independent Lock Bits
– 2.5K Bytes Internal SRAM
– 1K Bytes Internal EEPROM
– 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
– On-chip PLL for USB and High Speed Timer: 32 up to 96 MHz operation
– Two 8-bit Timer/Counters 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
• Endurance: 100,000 Write/Erase Cycles
• In-System Programming by On-chip Boot Program hardware activated after
• True Read-While-Write Operation
• All supplied parts are preprogramed with a default USB bootloader
• Endurance: 100,000 Write/Erase Cycles
reset
®
8-Bit Microcontroller
8-bit
Microcontroller
with
32K Bytes of
ISP Flash
and USB
Controller
ATmega32U4
Preliminary
7766A–AVR–03/08
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