ATTINY44A-PU Atmel, ATTINY44A-PU Datasheet - Page 210

• Manufacturer Part Number: ATTINY44A-PU
• Description: IC MCU AVR 4K FLASH 20MHZ 14PDIP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44A-PU

• 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: 14-DIP (0.300", 7.62mm)
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 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: Through Hole
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 20-ch x 10-bit
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

210
ATtiny24A/44A/84A
Figure 21-54. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
Figure 21-55. Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value
8,4
8,3
8,2
8,1
7,9
7,8
7,7
7,6
7,5
20
16
12
8
8
4
0
-40
0
16
V
CC
32
-20
= 3V
48
64
0
80
96
20
112
OSCCAL (X1)
Temperature (C)
128
144
40
160
176
60
192
208
80
224
5.5 V
3.0 V
1.8 V
240
8183C–AVR–03/11
100
-40 °C
85 °C
25 °C