ATtiny461 Atmel Corporation, ATtiny461 Datasheet - Page 189
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ATtiny461
Manufacturer Part Number
ATtiny461
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny461
Flash (kbytes)
4 Kbytes
Pin Count
20
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
256
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
2
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATtiny461-15MAZ
Manufacturer:
ATMEL
Quantity:
647
Company:
Part Number:
ATtiny461-15SZ
Manufacturer:
VISHAY
Quantity:
124
Company:
Part Number:
ATtiny461-20MU
Manufacturer:
KODENSHI
Quantity:
991
Company:
Part Number:
ATtiny461-20MUR
Manufacturer:
ATMEL
Quantity:
5 560
Company:
Part Number:
ATtiny461-20SU
Manufacturer:
ATMEL
Quantity:
3 282
Part Number:
ATtiny461A-MU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
ATtiny461A-SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATtiny461V-10SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATtiny461V-10SUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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