ATTINY461-20SU Atmel, ATTINY461-20SU Datasheet - Page 189
ATTINY461-20SU
Manufacturer Part Number
ATTINY461-20SU
Description
IC MCU AVR 4K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATAVRMC321.pdf
(242 pages)
Specifications of ATTINY461-20SU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
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 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
2-Wire, SPI, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Package
20SOIC
Device Core
AVR
Family Name
ATtiny
Maximum Speed
20 MHz
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY461-20SU
Manufacturer:
ATMEL
Quantity:
3 282
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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
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