ATMEGA8L-8MI Atmel, ATMEGA8L-8MI Datasheet - Page 95

• Manufacturer Part Number: ATMEGA8L-8MI
• Description: IC AVR MCU 8K LV 8MHZ IND 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8L-8MI

• 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: 23
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K 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: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2486Z–AVR–02/11
ing 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 TOV1 Flag at BOTTOM.
Figure 43. Timer/Counter Timing Diagram, no Prescaling
Figure 44
Figure 44. Timer/Counter Timing Diagram, with Prescaler (f
(PC and PFC PWM)
(PC and PFC PWM)
and ICFn
and ICFn
(CTC and FPWM)
(CTC and FPWM)
(Update at TOP)
TOVn
(Update at TOP)
TOVn
TCNTn
TCNTn
OCRnx
(clk
as TOP)
TCNTn
TCNTn
OCRnx
as TOP)
(clk
shows the same timing data, but with the prescaler enabled.
clk
clk
clk
clk
I/O
(FPWM)
I/O
(FPWM)
I/O
Tn
I/O
Tn
/8)
/1)
(if used
(if used
TOP - 1
TOP - 1
TOP - 1
TOP - 1
Old OCRnx Value
Old OCRnx Value
TOP
TOP
TOP
TOP
clk_I/O
BOTTOM
BOTTOM
TOP - 1
TOP - 1
/8)
New OCRnx Value
New OCRnx Value
ATmega8(L)
BOTTOM + 1
BOTTOM + 1
TOP - 2
TOP - 2
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