AT90CAN128-16AJ Atmel, AT90CAN128-16AJ Datasheet - Page 115
![IC MCU AVR FLASH 128K 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
AT90CAN128-16AJ
Manufacturer Part Number
AT90CAN128-16AJ
Description
IC MCU AVR FLASH 128K 64TQFP
Manufacturer
Atmel
Series
AVR® 90CANr
Specifications of AT90CAN128-16AJ
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-TQFP, 64-VQFP
For Use With
ATDVK90CAN1 - KIT DEV FOR AT90CAN128 MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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13.2.2
13.2.3
7679H–CAN–08/08
Definitions
Compatibility
uses to increment (or decrement) its value. The Timer/Counter is inactive when no clock source
is selected. The output from the Clock Select logic is referred to as the timer clock (clk
The double buffered Output Compare Registers (OCRnx) are compared with the Timer/Counter
value at all time. The result of the compare can be used by the Waveform Generator to generate
a PWM or variable frequency output on the Output Compare pin (OCnx).
Units” on page
which can be used to generate an Output Compare interrupt request.
The Input Capture Register can capture the Timer/Counter value at a given external (edge trig-
gered) event on either the Input Capture pin (ICPn) or on the Analog Comparator pins
“Analog Comparator” on page
Canceler) for reducing the chance of capturing noise spikes.
The TOP value, or maximum Timer/Counter value, can in some modes of operation be defined
by either the OCRnA Register, the ICRn Register, or by a set of fixed values. When using
OCRnA as TOP value in a PWM mode, the OCRnA Register can not be used for generating a
PWM output. However, the TOP value will in this case be double buffered allowing the TOP
value to be changed in run time. If a fixed TOP value is required, the ICRn Register can be used
as an alternative, freeing the OCRnA to be used as PWM output.
The following definitions are used extensively throughout the section:
The 16-bit Timer/Counter has been updated and improved from previous versions of the 16-bit
AVR Timer/Counter. This 16-bit Timer/Counter is fully compatible with the earlier version
regarding:
The following control bits have changed name, but have same functionality and register location:
The following registers are added to the 16-bit Timer/Counter:
BOTTOM
MAX
TOP
• All 16-bit Timer/Counter related I/O Register address locations, including Timer Interrupt
• Bit locations inside all 16-bit Timer/Counter Registers, including Timer Interrupt Registers.
• Interrupt Vectors.
• PWMn0 is changed to WGMn0.
• PWMn1 is changed to WGMn1.
• CTCn is changed to WGMn2.
• Timer/Counter Control Register C (TCCRnC).
• Output Compare Register C, OCRnCH and OCRnCL, combined OCRnC.
Registers.
The counter reaches the BOTTOM when it becomes 0x0000.
The counter reaches its MAXimum when it becomes 0xFFFF (decimal 65,535).
The counter reaches the TOP when it becomes equal to the highest value in the count
sequence. The TOP value can be assigned to be one of the fixed values: 0x00FF, 0x01FF,
or 0x03FF, or to the value stored in the OCR
dependent of the mode of operation.
123.. The compare match event will also set the Compare Match Flag (OCFnx)
269.) The Input Capture unit includes a digital filtering unit (Noise
n
A or ICR
AT90CAN32/64/128
n
Register. The assignment is
See “Output Compare
T
n
).
(See
115
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