AT90CAN64-16AUR Atmel, AT90CAN64-16AUR Datasheet - Page 71
AT90CAN64-16AUR
Manufacturer Part Number
AT90CAN64-16AUR
Description
MCU AVR 64K FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® 90CANr
Datasheet
1.AT90CAN32-16AUR.pdf
(428 pages)
Specifications of AT90CAN64-16AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
CAN, EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
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
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9.2.6
9.3
7679H–CAN–08/08
Alternate Port Functions
Unconnected Pins
above mentioned sleep modes, as the clamping in these sleep modes produces the requested
logic change.
If some pins are unused, it is recommended to ensure that these pins have a defined level. Even
though most of the digital inputs are disabled in the deep sleep modes as described above, float-
ing inputs should be avoided to reduce current consumption in all other modes where the digital
inputs are enabled (Reset, Active mode and Idle mode). The simplest method to ensure a
defined level of an unused pin, is to enable the internal pull-up. In this case, the pull-up will be
disabled during reset. If low power consumption during reset is important, it is recommended to
use an external pull-up or pull-down. Connecting unused pins directly to V
ommended, since this may cause excessive currents if the pin is accidentally configured as an
output.
Most port pins have alternate functions in addition to being general digital I/Os.
how the port pin control signals from the simplified
functions. The overriding signals may not be present in all port pins, but the figure serves as a
generic description applicable to all port pins in the AVR microcontroller family.
Figure 9-2
AT90CAN32/64/128
can be overridden by alternate
CC
or GND is not rec-
Figure 9-5
shows
71
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