ATMEGA324P-A15MZ Atmel, ATMEGA324P-A15MZ Datasheet - Page 105
ATMEGA324P-A15MZ
Manufacturer Part Number
ATMEGA324P-A15MZ
Description
MCU AVR 32KB FLASH 15MHZ 44-VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA324P-A15MZ.pdf
(346 pages)
Specifications of ATMEGA324P-A15MZ
Package / Case
44-VQFN Exposed Pad
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
32
Eeprom Size
1K x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
2K x 8
Program Memory Size
32KB (32K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
I²C, SPI, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Timer/Counter
Timing Diagrams
2503N–AVR–06/08
output will be continuously low and if set equal to TOP the output will be set to high for non-
inverted PWM mode. For inverted PWM the output will have the opposite logic values. If OCR1A
is used to define the TOP value (WGM13:0 = 9) and COM1A1:0 = 1, the OC1A output will toggle
with a 50% duty cycle.
The Timer/Counter is a synchronous design and the timer clock (clk
clock enable signal in the following figures. The figures include information on when Interrupt
Flags are set, and when the OCR1x Register is updated with the OCR1x buffer value (only for
modes utilizing double buffering).
Figure 49. Timer/Counter Timing Diagram, Setting of OCF1x, No Prescaling
Figure 50
Figure 50. Timer/Counter Timing Diagram, Setting of OCF1x, with Prescaler (f
Figure 51
frequency correct PWM mode the OCR1x Register is updated at BOTTOM. The timing diagrams
TCNTn
OCRnx
OCFnx
TCNTn
OCRnx
(clk
OCFnx
(clk
clk
clk
clk
clk
I/O
I/O
I/O
Tn
I/O
Tn
shows the same timing data, but with the prescaler enabled.
/8)
/1)
shows the count sequence close to TOP in various modes. When using phase and
OCRnx - 1
OCRnx - 1
Figure 49
OCRnx
OCRnx
shows a timing diagram for the setting of OCF1x.
OCRnx Value
OCRnx Value
OCRnx + 1
OCRnx + 1
T1
ATmega32(L)
) is therefore shown as a
OCRnx + 2
OCRnx + 2
clk_I/O
/8)
105
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