AT90USB646-AUR Part Information

Details for AT90USB646-AUR by Microchip Technology

AT90USB646

Part Description

The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 64KB ISP flash memory with read-while-write capabilities, 2KB EEPROM, 4KB SRAM, 48 general purpose I/O lines, 32 general purpose working registers, real time counter, 4 flexible timer/counters with compare modes and PWM, USART, byte oriented 2-wire serial interface, USB 2.0 low-speed and full-speed device an 8-channel 10-bit A/D converter with optional differential input stage with programmable gain, programmable watchdog timer with internal oscillator, SPI serial port, JTAG (IEEE 1149.1 compliant) interface for on-chip debugging, and six software selectable power saving modes. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processor speed.

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Part Specifications

Part Family AVR_USB_AT90
Part Prefix AT90
Architecture 8
Core 8-bit AVR
MaxSpeed (MHz) 16
CPU Type 8-bit AVR
CPU Speed (MIPS/DMIPS) 16
Program Memory Type Flash
SelfWrite Yes
Program Memory Size (KB) 64
Program Memory Size (KWords) 64
Multiple Flash Panels True
Secure Bootloader (CodeGuard™ Security) None
RAM (KB) 4
Data EEPROM (bytes) 2048
Temp. Range Min. -40
Temp. Range Max. 85
Operation Voltage Min.(V) 2.7
Operation Voltage Max.(V) 5.5
Max I/O Pins 48
Pin Count 64
Power On Reset (POR) Yes
Internal Oscillator Yes
Number of Comparators 1
ADC Channels 8
Diff ADC Inputs 7
Max ADC Sampling Rate (ksps) 15
Max ADC Resolution (bits) 10
Max ADC Sample/Hold (S/H) 1
Standard UART 1
SPI™ 2
I2C 1
Hardware RTCC Yes
Watch Dog Timers (WDT) Yes
Timers 4
Stand alone PWM 9
Capture/Compare/PWM (CCP) 1
Standalone Output Compare/ Standard PWM 10
Input Capture 1
Max # PWM outputs (including complementary outputs) 9
Output Compare Channels 10
Number of USB Modules 1
USB Interface None
Type of CAN module None
Ethernet None
Integrated Wireless Frequency None
Wireless Technology None
JTAG Debug/Program/Boundary Scan
Debug Interface JTAG
Temperature Range -40C to +85C

Alternative Part Descriptions

  • 16 MHZ, TQFP, IND TEMP, GREEN, 64 TQFP 14X14X1MM T/R ROHS COMPLIANT: YES | Newark Electronics
  • MCU 8-bit AT90 AVR RISC 64KB Flash 3.3V/5V 64-Pin TQFP T/R | Avnet America
  • MCU 8-bit AT90 AVR RISC 64KB Flash 3.3V/5V 64-Pin TQFP T/R | Avnet Europe

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