A000048 Arduino, A000048 Datasheet - Page 106

• Manufacturer Part Number: A000048
• Description: ATMEGA328 MCU IC W/ Arduino UNO Bootloader
• Manufacturer: Arduino
• Series: -r

Specifications of A000048

• Accessory Type: Pre-Programed IC
• Features: Powered Via USB Connection, AC-to-DC Adapter, Power Jack, ICSP Header
• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: -
• For Use With: ATmega328 Microcontrollers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8271C–AVR–08/10
Figure 14-10. Timer/Counter Timing Diagram, Setting of OCF0x, with Prescaler (f
Figure 14-11
PWM mode where OCR0A is TOP.
Figure 14-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with Pres-
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
TCNTn
TCNTn
(clk
(clk
OCRnx
OCRnx
OCFnx
(CTC)
OCFnx
clk
clk
clk
clk
I/O
I/O
I/O
Tn
I/O
Tn
/8)
/8)
shows the setting of OCF0A and the clearing of TCNT0 in CTC mode and fast
caler (f
clk_I/O
OCRnx - 1
TOP - 1
/8)
OCRnx
TOP
OCRnx Value
TOP
OCRnx + 1
BOTTOM
BOTTOM + 1
OCRnx + 2
clk_I/O
/8)
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