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Número de pieza
componentes Descripción
AT90USB1286-MU(2012) Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
AT90USB1286-MU
(Rev.:2012)
8-bit Atmel Microcontroller with 64/128Kbytes of ISP Flash and USB Controller
Atmel Corporation
AT90USB1286-MU Datasheet PDF : 456 Pages
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2.1 Block diagram
Figure 2-1.
Block diagram.
PF7 - PF0
PA7 - P A0
PC7 - PC0
VCC
GND
POR T
F
DRIVERS
DATA REGISTER
PORT
F
DATA DIR.
REG. PORT
F
POR T
A
DRIVERS
POR T
C
DRIVERS
DATA REGISTER
PORT
A
DATA DIR.
REG. PORT
A
DATA REGISTER
PORT
C
8-BIT DA TA BUS
DATA DIR.
REG. PORT
C
AVCC
AGND
AREF
JTAG TAP
ON-CHIP DEBUG
BOUNDARY-
SCAN
PROGRAMMING
LOGIC
ADC
PROGRAM
COUNTER
PROGRAM
FLASH
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
CONTROL
LINES
POR - BOD
RESET
ST ACK
POINTER
SRAM
GENERAL
PURPOSE
REGISTERS
X
Y
Z
ALU
ST ATUS
REGISTER
INTERNAL
OSCILLA TOR
W ATCHDOG
TIMER
MCU CONTROL
REGISTER
TIMER/
COUNTERS
INTERRUPT
UNIT
EEPROM
CALIB. OSC
OSCILLA TOR
TIMING AND
CONTROL
PLL
USART1
SPI
USB
TWO-WIRE SERIAL
INTERFACE
DATA REGISTER
PORT
E
DATA DIR.
REG. PORT
E
DATA REGISTER
PORT
B
DATA DIR.
REG. PORT
B
DATA REGISTER
PORT
D
DATA DIR.
REG. PORT
D
POR T
E
DRIVERS
POR T
B
DRIVERS
POR T
D
DRIVERS
PE7 - PE0
PB7 - PB0
PD7 - PD0
The AVR core combines a rich instruction set
w
ith 32 general purpose
w
orking registers. All the
32 registers are directly connected to the Arithmetic Logic Unit (ALU), allo
w
ing t
w
o independent
registers to be accessed in one single instruction executed in one clock cycle. The resulting
6
AT90USB64/128
7593L–AVR–09/12
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