ATAVRMC321 Atmel, ATAVRMC321 Datasheet - Page 189

• Manufacturer Part Number: ATAVRMC321
• Description: KIT EVAL MOTOR CTRL LOW COST
• Manufacturer: Atmel
• Series: AVR®r

Specifications of ATAVRMC321

• Main Purpose: Power Management, Motor Control
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: ATtinyx61
• Primary Attributes: 3-Ph BLDC, Brushed DC, Stepper Motor- Controller Board
• Secondary Attributes: Includes ATAVRMC300 Power Driver Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

19.4
Table 19-2.
Notes:
Figure 19-3. External Clock Drive Waveforms
2588E–AVR–08/10
Calibration
Method
Factory
Calibration
User
Calibration
Clock Characteristics
1. Accuracy of oscillator frequency at calibration point (fixed temperature and fixed voltage).
2. Voltage range for ATtiny261V/461V/861V.
3. Voltage range for ATtiny261/461/861.
Calibration Accuracy of Internal RC Oscillator
V
IL1
V
Figure 19-2. Maximum Frequency vs. V
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
page
Target Frequency
IH1
Fixed frequency
7.3 - 8.1 MHz
217.
8.0 MHz
within:
20 MHz
10 MHz
Fixed voltage within:
1.8 - 5.5V
2.7 - 5.5V
2.7V
V
3V
CC
(2)
(3)
CC
Safe Operating Area
(ATtiny261/461/861)
Figure 20-38 on page 217
Fixed temperature
-40°C to +85°C
Temperature
within:
25°C
4.5V
voltage & temperature
Accuracy at given
5.5V
and
±10%
Figure 20-39 on
±1%
(1)
189