ATMEGA162V-8AJ Atmel, ATMEGA162V-8AJ Datasheet - Page 126

• Manufacturer Part Number: ATMEGA162V-8AJ
• Description: IC MCU AVR 16K 5V 8MHZ 44-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA162V-8AJ

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

Timer/Counter
Timing Diagrams
126
ATmega162/V
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 OCRnx Register is updated with the OCRnx buffer value (only for
modes utilizing double buffering).
Figure 55. Timer/Counter Timing Diagram, Setting of OCFnx, no Prescaling
Figure 56
Figure 56. Timer/Counter Timing Diagram, Setting of OCFnx, with Prescaler (f
Figure 57
frequency correct PWM mode the OCRnx Register is updated at BOTTOM. The timing diagrams
will be the same, but TOP should be replaced by BOTTOM, TOP-1 by BOTTOM+1 and so on.
The same renaming applies for modes that set the TOVn Flag at BOTTOM.
OCRnx
TCNTn
OCFnx
(clk
TCNTn
OCRnx
(clk
OCFnx
clk
clk
clk
clk
I/O
I/O
I/O
Tn
I/O
Tn
/1)
shows the same timing data, but with the prescaler enabled.
/8)
shows the count sequence close to TOP in various modes. When using phase and
OCRnx - 1
OCRnx - 1
Figure 55
OCRnx
OCRnx
shows a timing diagram for the setting of OCFnx.
OCRnx Value
OCRnx Value
OCRnx + 1
OCRnx + 1
T
n) is therefore shown as a
OCRnx + 2
OCRnx + 2
clk_I/O
2513K–AVR–07/09
/8)