AT90USB646-MUR Atmel, AT90USB646-MUR Datasheet - Page 422
AT90USB646-MUR
Manufacturer Part Number
AT90USB646-MUR
Description
MCU AVR 64K FLASH 16MHZ 64QFN
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB646-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
48
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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31.12 BOD Levels
422
AT90USB64/128
2.54
2.52
2.48
2.46
2.44
2.42
3.4
3.2
2.8
2.6
2.5
3
-40
3
-30
Figure 31-19. USB Regulator Output Voltage vs. Input Voltage, Load=75 Ohms
Note:
Figure 31-20. BOD Voltage (2.4V level) vs. Temperature
Figure 31-21. BOD Voltage (3.4V level) vs. Temperature
-20
3.5
-10
The 75 Ohms load is equivalent to the maximum average consumption of the USB peripheral in
operation (full bus load)
0
4
10
Input Volta ge (V)
Te mpe ra ture (C
20
30
4.5
40
50
5
60
70
80
5.5
Rising Vcc
Falling Vcc
7593K–AVR–11/09
85
25
-40
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