AT90USB646-AUR Atmel, AT90USB646-AUR Datasheet - Page 90
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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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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10.4
10.4.1
90
Register Description for I/O-Ports
AT90USB64/128
Port A Data Register – PORTA
Analog to Digital Converter, Channel 3..0.
Table 10-19. Overriding Signals for Alternate Functions in PF7..PF4
Table 10-20. Overriding Signals for Alternate Functions in PF3..PF0
Bit
Read/Write
Initial Value
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PF7/ADC7/TDI
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TDI/ADC7 INPUT
7
PORTA
7
R/W
0
PF3/ADC3
0
0
0
0
0
0
0
0
–
ADC3 INPUT
6
PORTA
6
R/W
0
5
PORTA
5
R/W
0
PF6/ADC6/TDO
JTAGEN
0
JTAGEN
SHIFT_IR +
SHIFT_DR
JTAGEN
TDO
JTAGEN
0
–
ADC6 INPUT
PF2/ADC2
0
0
0
0
0
0
0
0
–
ADC2 INPUT
4
PORTA
4
R/W
0
3
PORTA
3
R/W
0
PF5/ADC5/TMS
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TMS/ADC5
INPUT
PF1/ADC1
ADC1 INPUT
0
0
0
0
0
0
0
0
–
2
PORTA
2
0
R/W
1
PORTA
1
R/W
0
PF4/ADC4/TCK
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TCK/ADC4
INPUT
PF0/ADC0
0
0
0
0
0
0
0
0
–
ADC0 INPUT
0
PORTA
0
R/W
0
PORTA
7593K–AVR–11/09
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