AT90USB647-MU Atmel, AT90USB647-MU Datasheet - Page 247
AT90USB647-MU
Manufacturer Part Number
AT90USB647-MU
Description
MCU, 8BIT, 64K FLASH, USB, 64QFN
Manufacturer
Atmel
Specifications of AT90USB647-MU
Controller Family/series
AT90
No. Of I/o's
48
Eeprom Memory Size
2KB
Ram Memory Size
4KB
Cpu Speed
16MHz
No. Of
RoHS Compliant
Core Size
8bit
Program Memory Size
64KB
Oscillator Type
External, Internal
Package
64QFN EP
Device Core
AVR
Family Name
AT90
Maximum Speed
20 MHz
Ram Size
4 KB
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
48
Interface Type
SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
4
Lead Free Status / Rohs Status
Details
Available stocks
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Quantity
Price
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21.3
21.3.1
21.3.1.1
7593K–AVR–11/09
Typical Application Implementation
Device mode
Bus Powered device
Depending on the USB operating mode (Device only, Reduced Host or OTG mode) and on the
target application power supply, the AT90USB64/128 require different hardware typical
implementations.
Figure 21-2. Operating modes versus frequency and power-supply
Figure 21-3. Typical Bus powered application with 5V I/O
VBUS
UVSS
VCC min
UDP
UDM
UID
5.5
4.5
3.6
3.4
3.0
2.7
0
VCC (V)
USB compliant,
with internal regulator
Rs=22
Rs=22
USB not operational
1µF
USB compliant,
without internal regulator
UCAP
VBUS
UGND
D+
D-
UID
UVCC
XTAL1
XTAL2
Max
Operating Frequency (MHz)
AVCC
GND
16 MHz
8 MHz
2 MHz
AT90USB64/128
VCC
GND
247
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