AT90CAN128-16MJ Atmel, AT90CAN128-16MJ Datasheet - Page 110
![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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110
AT90CAN32/64/128
• Bit 6, 3 – WGM01:0: Waveform Generation Mode
These bits control the counting sequence of the counter, the source for the maximum (TOP)
counter value, and what type of waveform generation to be used. Modes of operation supported
by the Timer/Counter unit are: Normal mode, Clear Timer on Compare match (CTC) mode, and
two types of Pulse Width Modulation (PWM) modes. See
on page
Table 12-1.
Note:
• Bit 5:4 – COM01:0: Compare Match Output Mode
These bits control the Output Compare pin (OC0A) behavior. If one or both of the COM0A1:0
bits are set, the OC0A output overrides the normal port functionality of the I/O pin it is connected
to. However, note that the Data Direction Register (DDR) bit corresponding to the OC0A pin
must be set in order to enable the output driver.
When OC0A is connected to the pin, the function of the COM0A1:0 bits depends on the
WGM01:0 bit setting.
are set to a normal or CTC mode (non-PWM).
Table 12-2.
Table 12-3
mode.
Table 12-3.
Mode
COM0A1
COM0A1
0
1
2
3
0
0
1
1
0
0
1
1
1. The CTC0 and PWM0 bit definition names are now obsolete. Use the WGM01:0 definitions.
104.
WGM01
(CTC0)
However, the functionality and location of these bits are compatible with previous versions of
the timer.
shows the COM0A1:0 bit functionality when the WGM01:0 bits are set to fast PWM
0
0
1
1
Waveform Generation Mode Bit Description
Compare Output Mode, non-PWM Mode
Compare Output Mode, Fast PWM Mode
COM0A0
COM0A0
0
1
0
1
0
1
0
1
Table 12-2
WGM00
(PWM0)
0
1
0
1
Description
Normal port operation, OC0A disconnected.
Toggle OC0A on compare match
Clear OC0A on compare match
Set OC0A on compare match
Description
Normal port operation, OC0A disconnected.
Reserved
Clear OC0A on compare match.
Set OC0A at TOP
Set OC0A on compare match.
Clear OC0A at TOP
Timer/Counter
Mode of Operation
Normal
PWM, Phase Correct
CTC
Fast PWM
shows the COM0A1:0 bit functionality when the WGM01:0 bits
(1)
TOP
0xFF
0xFF
OCR0A
0xFF
Table 12-1
(1)
Update of
OCR0A at
Immediate
TOP
Immediate
TOP
and
“Modes of Operation”
TOV0 Flag
Set on
MAX
BOTTOM
MAX
MAX
7679H–CAN–08/08
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