ATTINY861A-XUR Atmel, ATTINY861A-XUR Datasheet - Page 218

• Manufacturer Part Number: ATTINY861A-XUR
• Description: MCU AVR 8KB FLASH 20MHZ 20TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY861A-XUR

• 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: 16
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20.2.10
218
ATtiny261A/461A/861A
Internal Oscillators
Figure 20-47. Frequency of Watchdog Oscillator vs. V
Figure 20-48. Frequency of Watchdog Oscillator vs. Temperature
130000
125000
120000
115000
110000
130000
125000
120000
115000
110000
1.5
-40
2
-20
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
WATCHDOG OSCILLATOR FREQUENCY vs. SUPPLY VOLTAGE
2.5
0
3
20
Temperature
V
CC
3.5
(V)
40
CC
4
60
4.5
80
5
100
8197B–AVR–01/10
5.5
1.8 V
3.0 V
5.0 V
-40 °C
25 °C
85 °C