AT90CAN128-16MJ Atmel, AT90CAN128-16MJ Datasheet - Page 39
![IC MCU AVR FLASH 128K 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT90CAN128-16MJ
Manufacturer Part Number
AT90CAN128-16MJ
Description
IC MCU AVR FLASH 128K 64-QFN
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN128-16MJ
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
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
4K 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-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
For Use With
ATDVK90CAN1 - KIT DEV FOR AT90CAN128 MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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5.4
7679H–CAN–08/08
Crystal Oscillator
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be con-
figured for use as an On-chip Oscillator, as shown in
ceramic resonator may be used.
C1 and C2 should always be equal for both crystals and resonators. The optimal value of the
capacitors depends on the crystal or resonator in use, the amount of stray capacitance, and the
electromagnetic noise of the environment. Some initial guidelines for choosing capacitors for
use with crystals are given in
the manufacturer should be used. For more information on how to choose capacitors and other
details on Oscillator operation, refer to the Multi-purpose Oscillator Application Note.
Figure 5-2.
The Oscillator can operate in three different modes, each optimized for a specific frequency
range. The operating mode is selected by the fuses CKSEL3..1 as shown in
Table 5-3.
Note:
The CKSEL0 Fuse together with the SUT1..0 Fuses select the start-up times as shown in
5-4.
CKSEL3..1
100
101
110
111
(1)
1. This option should not be used with crystals, only with ceramic resonators.
Crystal Oscillator Connections
Crystal Oscillator Operating Modes
Frequency Range (MHz)
8.0 - 16.0
0.4 - 0.9
0.9 - 3.0
3.0 - 8.0
Table
5-3. For ceramic resonators, the capacitor values given by
C2
C1
Recommended Range for Capacitors C1 and
Figure
C2 for Use with Crystals (pF)
AT90CAN32/64/128
XTAL2
XTAL1
GND
5-2. Either a quartz crystal or a
12 - 22
12 - 22
12 - 22
12 - 22
Table
5-3.
Table
39
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