AT90USB646-AUR Atmel, AT90USB646-AUR Datasheet - Page 140
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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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140
AT90USB64/128
.
Table 14-1.
Table 14-2
PWM mode.
Table 14-2.
Note:
Table 14-3
correct and frequency correct PWM mode.
COMnA1/COMnB1/
COMnA1/COMnB1/
COMnC1
COMnC0
A special case occurs when OCRnA/OCRnB/OCRnC equals TOP and
COMnA1/COMnB1/COMnC1 is set. In this case the compare match is ignored, but the set or clear
is done at TOP.
0
0
1
1
0
0
1
1
shows the COMnx1:0 bit functionality when the WGMn3:0 bits are set to the phase
shows the COMnx1:0 bit functionality when the WGMn3:0 bits are set to the fast
Compare Output Mode, non-PWM
Compare Output Mode, Fast PWM
See “Fast PWM Mode” on page 106.
COMnA0/COMnB0/
COMnA0/COMnB0/
COMnC0
COMnC0
0
1
0
1
0
1
0
1
Description
Normal port operation, OCnA/OCnB/OCnC
disconnected.
Toggle OCnA/OCnB/OCnC on compare
match.
Clear OCnA/OCnB/OCnC on compare
match (set output to low level).
Set OCnA/OCnB/OCnC on compare match
(set output to high level).
Description
Normal port operation, OCnA/OCnB/OCnC
disconnected.
WGM13:0 = 14 or 15: Toggle OC1A on
Compare Match, OC1B and OC1C
disconnected (normal port operation). For all
other WGM1 settings, normal port operation,
OC1A/OC1B/OC1C disconnected.
Clear OCnA/OCnB/OCnC on compare
match, set OCnA/OCnB/OCnC at TOP
Set OCnA/OCnB/OCnC on compare match,
clear OCnA/OCnB/OCnC at TOP
for more details.
7593K–AVR–11/09
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