ATMEGA64L-8MUR Atmel, ATMEGA64L-8MUR Datasheet - Page 114
![MCU AVR 64KB FLASH 8MHZ 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA64L-8MUR
Manufacturer Part Number
ATMEGA64L-8MUR
Description
MCU AVR 64KB FLASH 8MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA64L-8MUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA64L-8MUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Definitions
Compatibility
2490Q–AVR–06/10
See “Output Compare Units” on page 121.
Match Flag (OCFnA/B/C) 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 this section:
Table 57. Definitions
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:
•
•
The following bits are added to the 16-bit Timer/Counter control registers:
•
•
•
Interrupt flag and mask bits for Output Compare unit C are added.
The 16-bit Timer/Counter has improvements that will affect the compatibility in some special
cases.
BOTTOM
MAX
TOP
All 16-bit Timer/Counter related I/O Register address locations, including Timer Interrupt
Registers.
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.
COM1C1:0 are added to TCCR1A.
FOCnA, FOCnB, and FOCnC are added in the new TCCRnC Register.
WGMn3 is added to TCCRnB.
The counter reaches the BOTTOM when it becomes 0x0000.
The counter reaches its MAXimum when it becomes 0xFFFF (decimal
65535).
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 OCRnA or ICRn Register. The assignment is dependent of the mode
of operation.
227.) The Input Capture unit includes a digital filtering unit (Noise
The Compare Match event will also set the Compare
ATmega64(L)
(See
114
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