ATTINY84-20MUR Atmel, ATTINY84-20MUR Datasheet - Page 176
ATTINY84-20MUR
Manufacturer Part Number
ATTINY84-20MUR
Description
MCU AVR 8KB FLASH 20MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY84-20MUR
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
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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20.4
20.4.1
Table 20-2.
176
Calibration
Method
Factory
Calibration
User
Calibration
Clock Characteristics
ATtiny24/44/84
Accuracy of Calibrated Internal RC Oscillator
Calibration Accuracy of Internal RC Oscillator
Fixed frequency within:
Target Frequency
Figure 20-2. 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
Notes:
7.3 – 8.1 MHz
8.0 MHz
206.
1. Accuracy of oscillator frequency at calibration point (fixed temperature and fixed voltage).
2. Voltage range for ATtiny24V/44V/84V.
3. Voltage range for ATtiny24/44/84.
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
(ATtiny24/44/84)
Figure 21-40 on page 206
Fixed temperature
-40°C to +85°C
Temperature
within:
25°C
4.5V
Accuracy at given voltage
5.5V
and
& temperature
Figure 21-41 on
±10%
±1%
8006K–AVR–10/10
(1)
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