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AT90USB646 Datasheet(PDF) 5 Page - ATMEL Corporation

Part # AT90USB646
Description  8-bit Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  459 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Datasheet(HTML) 5 Page - ATMEL Corporation

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5
7593H–AVR–11/08
ATmega32U6/AT90USB64/128
ATmega32U6/AT90USB64/128 achieves throughputs approaching 1 MIPS per MHz allowing
the system designer to optimize power consumption versus processing speed.
2.1
Block Diagram
Figure 2-1.
Block Diagram
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



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