ATtiny261A Atmel Corporation, ATtiny261A Datasheet - Page 19
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ATtiny261A
Manufacturer Part Number
ATtiny261A
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny261A
Flash (kbytes)
2 Kbytes
Pin Count
20
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
4
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)
0.12
Eeprom (bytes)
128
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 105
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:
ATtiny261A-MN
Manufacturer:
Atmel
Quantity:
771
Company:
Part Number:
ATtiny261A-MUR
Manufacturer:
Atmel
Quantity:
7 974
Company:
Part Number:
ATtiny261A-PU
Manufacturer:
Atmel
Quantity:
1 462
Company:
Part Number:
ATtiny261A-SU
Manufacturer:
NEC
Quantity:
1
Company:
Part Number:
ATtiny261A-SUR
Manufacturer:
Atmel
Quantity:
3 598
9. Datasheet Revision History
9.1
9.2
9.3
8197CS–AVR–05/11
Rev. 8197C – 05/11
Rev. 8197B – 01/10
Rev. 8197A – 10/09
1. Added:
2. Updated:
3. Deleted:
1. Updated 32M1-A drawing in
1. Initial revision created from document 2588C (ATtiny261/461/861)
2. Updated "Ordering Information" on
3. Added sections:
4. Updated sections:
–
–
–
–
–
–
–
– Tape & reel part numbers in
– Ordering codes for ATtiny261A with extended temperature, on
–
–
–
–
–
– Characteristic plots
– Bit syntax throughout the datasheet, e.g. from CS02:0 to CS0[2:0]
– “Preliminary” status. All devices now final and in production.
–
ages are no longer offered and there are no separate ordering codes for commercial
operation range, the only available option now is industrial. Also, added new package
options
–
–
–
–
Section 3.3 “Capacitive Touch Sensing” on page 6
Section 4. “CPU Core” on page 7
Table 6-10, “Capacitance of Low-Frequency Crystal Oscillator,” on page 29
Table 15-5 on page 157
Section 19.7 “Analog Comparator Characteristics” on page 193
Table 19-8 on page 191
Table 19-9 on page 192
Section 6.4 “Clock Output Buffer” on page 32
Figure 15-1 on page
INTERNAL 1.18V REFERENCE to 1.1V
Table 18-8 on page
Table 19-1 on page 185
Section 19.3 “Speed” on page 187
54 on page
20-110 on page 254
“Disclaimer” on page
“Software BOD Disable” on page 36
“ATtiny461A” on page 225
“ATtiny861A” on page 251
“Stack Pointer” on page 11
226,
Figure 20-59 on page
Figure 20-3 on page
171, No. of Pages in the EEPROM from 64 to 32 for ATtiny261A
142, “Analog to Digital Converter Block Schematic”, changed
6.
Section 24. “Packaging Information” on page
Section 23. “Ordering Information” on page 281
page
281,
228,
200,
page 282
ATtiny261A/461A/861A
Figure 20-105 on page
(CLKO)
Figure 20-8 on page
and
page
page 281
283. Pb-plated pack-
202,
252, and
Figure 20-
284.
Figure
19