ATTINY45-20SI Atmel, ATTINY45-20SI Datasheet - Page 200

• Manufacturer Part Number: ATTINY45-20SI
• Description: IC AVR MCU 4K 20MHZ 8SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY45-20SI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 6
• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

200
ATtiny25/45/85
Figure 22-44. Calibrated 1.6 MHz RC Oscillator Frequency vs. Temperature
Figure 22-45. Calibrated 1.6 MHz RC Oscillator Frequency vs. OSCCAL Value
1,64
1,62
1,58
1,56
1,54
1,52
CALIBRATED 1.6MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
CALIBRATED 1.6 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
1,6
1,5
4,5
3,5
2,5
1,5
0,5
4
3
2
1
0
-60
0
16
-40
32
48
-20
64
80
96
0
112
OSCCAL (X1)
Temperature
128
20
144
160
40
176
192
60
3.0 V
5.0 V
208
80
224
240
100
-40 ˚C
2586M–AVR–07/10
85 ˚C
25 ˚C