ATTINY44A-CCUR Atmel, ATTINY44A-CCUR Datasheet - Page 78

• Manufacturer Part Number: ATTINY44A-CCUR
• Description: MCU AVR 4KB FLASH 20MHZ 15UFBGA
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44A-CCUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 12
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

78
ATtiny24A/44A/84A
Figure 11-9.
Figure 11-10 on page 78
except CTC mode and PWM mode, where OCR0A is TOP.
Figure 11-10. Timer/Counter Timing Diagram, Setting of OCF0x, with Prescaler (f
Figure 11-11 on page 78
and fast PWM mode where OCR0A is TOP.
Figure 11-11. Timer/Counter Timing Diagram, Clear Timer on Compare Match mode, with
TCNTn
TCNTn
TCNTn
(clk
(clk
OCRnx
OCRnx
(clk
OCFnx
(CTC)
OCFnx
TOVn
clk
clk
clk
clk
clk
clk
I/O
I/O
I/O
I/O
I/O
Tn
Tn
I/O
Tn
/8)
/8)
/8)
Timer/Counter Timing Diagram, with Prescaler (f
Prescaler (f
OCRnx - 1
TOP - 1
MAX - 1
shows the setting of OCF0A and the clearing of TCNT0 in CTC mode
shows the setting of OCF0B in all modes and OCF0A in all modes
clk_I/O
/8)
OCRnx
TOP
MAX
OCRnx Value
TOP
OCRnx + 1
BOTTOM
BOTTOM
clk_I/O
/8)
BOTTOM + 1
BOTTOM + 1
8183C–AVR–03/11
OCRnx + 2
clk_I/O
/8)