ATMEGA128A-ANR Atmel, ATMEGA128A-ANR Datasheet - Page 103

• Manufacturer Part Number: ATMEGA128A-ANR
• Description: IC MCU AVR 128K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128A-ANR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 128KB (64K x 16)
• 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
• Core: AVR8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8151H–AVR–02/11
Figure 14-9
Figure 14-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 14-10
Figure 14-10. Timer/Counter Timing Diagram, Setting of OCF0, with Prescaler (f
Figure 14-11
TCNTn
TCNTn
(clk
(clk
OCRn
OCFn
TOVn
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
Tn
/8)
/8)
shows the same timing data, but with the prescaler enabled.
shows the setting of OCF0 in all modes except CTC mode.
shows the setting of OCF0 and the clearing of TCNT0 in CTC mode.
OCRn - 1
MAX - 1
MAX
OCRn
OCRn Value
OCRn + 1
BOTTOM
clk_I/O
/8)
ATmega128A
BOTTOM + 1
OCRn + 2
clk_I/O
/8)
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