AT90USB646-AUR Atmel, AT90USB646-AUR Datasheet - Page 159
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AT90USB646-AUR
Manufacturer Part Number
AT90USB646-AUR
Description
MCU AVR 64K FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® 90USBr
Datasheet
1.AT90USB646-MU.pdf
(461 pages)
Specifications of AT90USB646-AUR
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-TQFP, 64-VQFP
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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Part Number
Manufacturer
Quantity
Price
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7593K–AVR–11/09
Figure 15-9
Figure 15-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 15-10
Figure 15-10. Timer/Counter Timing Diagram, Setting of OCF2A, with Prescaler (f
Figure 15-11
TCNTn
(clk
TOVn
TCNTn
clk
(clk
clk
OCRnx
OCFnx
clk
clk
I/O
I/O
Tn
I/O
/8)
I/O
Tn
/8)
shows the same timing data, but with the prescaler enabled.
shows the setting of OCF2A in all modes except CTC mode.
shows the setting of OCF2A and the clearing of TCNT2 in CTC mode.
MAX - 1
OCRnx - 1
OCRnx
MAX
OCRnx Value
OCRnx + 1
BOTTOM
clk_I/O
AT90USB64/128
/8)
BOTTOM + 1
OCRnx + 2
clk_I/O
/8)
159
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