ATtiny13 Atmel Corporation, ATtiny13 Datasheet - Page 118

• Manufacturer Part Number: ATtiny13
• Manufacturer: Atmel Corporation

Specifications of ATtiny13

• Flash (kbytes): 1 Kbytes
• Pin Count: 8
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 6
• Ext Interrupts: 6
• Usb Speed: No
• Usb Interface: No
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.06
• Eeprom (bytes): 64
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 1
• Output Compare Channels: 2
• Pwm Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

18.4
18.4.1
Table 18-2.
18.4.2
Table 18-3.
118
Calibration
Method
Factory
Calibration
User
Calibration
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
Clock Characteristics
ATtiny13
Calibrated Internal RC Oscillator Accuracy
External Clock Drive
Parameter
Clock Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock cycle to the next
Calibration Accuracy of Internal RC Oscillator
External Clock Drive
4 – 5 MHz / 8 – 10 MHz
Fixed frequency within:
Target Frequency
It is possible to manually calibrate the internal oscillator to be more accurate than default factory
calibration. Note that the oscillator frequency depends on temperature and voltage. Voltage and
temperature characteristics can be found in
148,
ure 19-55 on page
Notes:
Figure 18-3. External Clock Drive Waveform
4.8 / 9.6 MHz
Figure 19-52 on page
1. Accuracy of oscillator frequency at calibration point (fixed temperature and fixed voltage).
2. Voltage range for ATtiny13V.
3. Voltage range for ATtiny13.
V
IL1
V
IH1
150.
Fixed voltage within:
1.8V – 5.5V
2.7V – 5.5V
149,
V
3V
CC
Figure 19-53 on page
V
Min.
250
100
100
(2)
(3)
CC
0
= 1.8 - 5.5V
Max.
2.0
2.0
Figure 19-50 on page
4
2
Fixed temperature
-40°C to +85°C
Temperature
V
within:
Min.
25°C
100
CC
40
40
149,
0
= 2.7 - 5.5V
Figure 19-54 on page
Max.
1.6
1.6
10
2
148,
Accuracy at given Voltage
V
Min.
CC
50
20
20
0
Figure 19-51 on page
& Temperature
= 4.5 - 5.5V
±10%
±2%
Max.
0.5
0.5
20
2535J–AVR–08/10
150, and
2
(1)
Units
MHz
ns
ns
ns
µs
µs
%
Fig-