AT90USB647-AU Atmel, AT90USB647-AU Datasheet - Page 5

• Manufacturer Part Number: AT90USB647-AU
• Description: MCU, 8BIT, AVR, 64K FLASH, USB, 64TQFP
• Manufacturer: Atmel

Specifications of AT90USB647-AU

• No. Of I/o's: 48
• Eeprom Memory Size: 2KB
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 64KB
• Oscillator Type: External, Internal
• Controller Family/series: AVR USB
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Details

2.1
Figure 2-1.
7593KS–AVR–11/09
AREF
AGND
AVCC
GND
VCC
Block Diagram
ON-CHIP DEBUG
PROGRAMMING
BOUNDARY-
JTAG TAP
Block Diagram
LOGIC
SCAN
DATA REGISTER
DATA REGISTER
USART1
PORTE
PORT F
POR TF DRIVERS
POR TE DRIVERS
AT90USB64/128 achieves throughputs approaching 1 MIPS per MHz allowing the system
designer to optimize power consumption versus processing speed.
PF7 - PF0
PE7 - PE0
INSTRUCTION
INSTRUCTION
PROGRAM
PROGRAM
REGISTER
COUNTER
CONTROL
DECODER
FLASH
LINES
ADC
REG. PORTE
REG. PORT F
DATA DIR.
DATA DIR.
DATA REGISTER
REGISTERS
REGISTER
PURPOSE
GENERAL
POINTER
POR - BOD
ST ATUS
ST ACK
SRAM
PORTB
DATA REGISTER
RESET
ALU
X
Y
Z
PORT A
POR TB DRIVERS
PB7 - PB0
POR TA DRIVERS
PA7 - P A0
REG. PORTB
DATA DIR.
REG. PORT A
DATA DIR.
MCU CONTROL
OSCILLA TOR
WATCHDOG
COUNTERS
INTERRUPT
INTERNAL
REGISTER
EEPROM
TIMER/
TIMER
UNIT
SPI
8-BIT DA TA BUS
DATA REGISTER
PORTD
DATA REGISTER
POR TD DRIVERS
PD7 - PD0
PORT C
OSCILLA TOR
TIMING AND
CALIB. OSC
CONTROL
POR TC DRIVERS
PLL
USB
REG. PORTD
PC7 - PC0
DATA DIR.
AT90USB64/128
REG. PORT C
DATA DIR.
TWO-WIRE SERIAL
INTERFACE
5