AT90USB646-AUR Atmel, AT90USB646-AUR Datasheet - Page 453
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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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8
9
10 I/O-Ports .................................................................................................. 72
11 External Interrupts ................................................................................. 94
12 Timer/Counter0, Timer/Counter1, and Timer/Counter3 Prescalers ... 98
13 8-bit Timer/Counter0 with PWM .......................................................... 100
7593K–AVR–11/09
System Control and Reset .................................................................... 57
Interrupts ................................................................................................ 68
7.1 Idle Mode ...............................................................................................................52
7.2 ADC Noise Reduction Mode ..................................................................................52
7.3 Power-down Mode .................................................................................................52
7.4 Power-save Mode ..................................................................................................52
7.5 Standby Mode .......................................................................................................53
7.6 Extended Standby Mode .......................................................................................53
7.7 Power Reduction Register .....................................................................................54
7.8 Minimizing Power Consumption ............................................................................55
8.1 Resetting the AVR .................................................................................................57
8.2 Reset Sources .......................................................................................................57
8.3 Power-on Reset .....................................................................................................58
8.4 External Reset .......................................................................................................59
8.5 Brown-out Detection ..............................................................................................60
8.6 Watchdog Reset ....................................................................................................61
8.7 Internal Voltage Reference ....................................................................................62
8.8 Watchdog Timer ....................................................................................................63
9.1 Interrupt Vectors in AT90USB64/128 ....................................................................68
10.1 Introduction ..........................................................................................................72
10.2 Ports as General Digital I/O .................................................................................73
10.3 Alternate Port Functions ......................................................................................77
10.4 Register Description for I/O-Ports ........................................................................90
12.1 Internal Clock Source ..........................................................................................98
12.2 Prescaler Reset ...................................................................................................98
12.3 External Clock Source .........................................................................................98
12.4 General Timer/Counter Control Register – GTCCR ............................................99
13.1 Overview ............................................................................................................100
13.2 Timer/Counter Clock Sources ...........................................................................101
13.3 Counter Unit ......................................................................................................101
AT90USB64/128
453
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