ATTINY24A-SSU Atmel, ATTINY24A-SSU Datasheet - Page 78

• Manufacturer Part Number: ATTINY24A-SSU
• Description: MCU AVR 2K FLASH 20MHZ 14SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY24A-SSU

• 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: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 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: 14-SOIC (3.9mm Width), 14-SOL
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 20 Channel
• For Use With: ATSTK505 - ADAPTER KIT FOR 14PIN AVR MCU
• 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)