ATtiny261A Atmel Corporation, ATtiny261A Datasheet - Page 19

• Manufacturer Part Number: ATtiny261A
• 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

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:
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–
–
–
–
–
–
– Tape & reel part numbers in
– Ordering codes for ATtiny261A with extended temperature, on
–
–
–
–
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– 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
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–
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