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AT90USB646 Datasheet(PDF) 6 Page - ATMEL Corporation |
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AT90USB646 Datasheet(HTML) 6 Page - ATMEL Corporation |
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6 / 456 page  6 7593L–AVR–09/12 AT90USB64/128 2.1 Block diagram Figure 2-1. Block diagram. The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting PROGRAM COUNTER ST ACK POINTER PROGRAM FLASH MCU CONTROL REGISTER SRAM GENERAL PURPOSE REGISTERS INSTRUCTION REGISTER TIMER/ COUNTERS INSTRUCTION DECODER DATA DIR. REG. PORTB DATA DIR. REG. PORTE DATA DIR. REG. PORT A DATA DIR. REG. PORTD DATA REGISTER PORTB DATA REGISTER PORTE DATA REGISTER PORT A DAT A REGISTER PORTD INTERRUPT UNIT EEPROM SPI USART1 ST ATUS REGISTER Z Y X ALU POR TB DRIVERS POR TE DRIVERS POR TA DRIVERS POR TF DRIVERS POR TD DRIVERS POR TC DRIVERS PB7 - PB0 PE7 - PE0 PA7 - P A0 PF7 - PF0 VCC AGND GND AREF CONTROL LINES PC7 - PC0 INTERNAL OSCILLA TOR WATCHDOG TIMER 8-BIT DA TA BUS AVCC USB TIMING AND CONTROL OSCILLA TOR CALIB. OSC DATA DIR. REG. PORT C DATA REGISTER PORT C ON-CHIP DEBUG JTAG TAP PROGRAMMING LOGIC BOUNDARY- SCAN DATA DIR. REG. PORT F DATA REGISTER PORT F ADC POR - BOD RESET PD7 - PD0 TWO-WIRE SERIAL INTERFACE PLL |
Similar Part No. - AT90USB646_14 |
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Similar Description - AT90USB646_14 |
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