AT90CAN128-16MJ Atmel, AT90CAN128-16MJ Datasheet - Page 41
![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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5.6
7679H–CAN–08/08
Calibrated Internal RC Oscillator
When this Oscillator is selected, start-up times are determined by the SUT1..0 fuses as shown in
Table 5-5
Table 5-5.
Table 5-6.
Note:
The calibrated internal RC Oscillator provides a fixed 8.0 MHz clock. The frequency is nominal
value at 3V and 25°C. If 8 MHz frequency exceeds the specification of the device (depends on
V
ing start-up. The device is shipped with the CKDIV8 Fuse programmed.
Prescaler” on page 44.
gramming the CKSEL Fuses as shown in
components. During reset, hardware loads the calibration byte into the OSCCAL Register and
thereby automatically calibrates the RC Oscillator. At 5V and 25°C, this calibration gives a fre-
quency within ± 10% of the nominal frequency. Using calibration methods as described in
application notes available at www.atmel.com/avr it is possible to achieve ± 2% accuracy at any
given V
lator will still be used for the Watchdog Timer and for the Reset Time-out. For more information
on the pre-programmed calibration value, see the section
Table 5-7.
Note:
CC
SUT1..0
CKSEL3..0
), the CKDIV8 Fuse must be programmed in order to divide the internal frequency by 8 dur-
0100
0110
00
01
10
11
0101
0111
CC
1. These options should only be used if frequency stability at start-up is not important for the
1. The device is shipped with this option selected.
(1)
(1)
and CKSEL1..0 fuses as shown in
and temperature. When this Oscillator is used as the chip clock, the Watchdog Oscil-
application
CKSEL3..0
Start-up Times for the Low-frequency Crystal Oscillator Clock Selection
Start-up Times for the Low-frequency Crystal Oscillator Clock Selection
Internal Calibrated RC Oscillator Operating Modes
Additional Delay from Reset (V
0010
Power-down and Power-save
for more details. This clock may be selected as the system clock by pro-
Start-up Time from
14 CK + 4.1 ms
14 CK + 65 ms
14 CK
32K CK
32K CK
1K CK
1K CK
Table
Table
CC
= 5.0V)
5-7. If selected, it will operate with no external
Reserved
5-6.
Nominal Frequency
“Calibration Byte” on page
AT90CAN32/64/128
Recommended Usage
Slowly rising power
Fast rising power or BOD enabled
Stable frequency at start-up
Recommended Usage
Stable frequency at start-up
Stable frequency at start-up
8.0 MHz
(1)
See “System Clock
339.
41
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