ATTINY861-20SU Atmel, ATTINY861-20SU Datasheet - Page 234

• Manufacturer Part Number: ATTINY861-20SU
• Description: IC MCU AVR 8K FLASH 20MHZ 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY861-20SU

• 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: 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 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Cpu Family: ATtiny
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: USI
• Total Internal Ram Size: 512Byte
• # I/os (max): 16
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 11-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SOIC
• Processor Series: ATTINY8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• 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, ATAVRMC320
• Minimum Operating Temperature: - 40 C
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRBC100 - 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

26. Datasheet Revision History
26.1
26.2
26.3
234
Rev. 2588E – 08/10
Rev. 2588D – 06/10
Rev. 2588C – 10/09
ATtiny261/461/861
Please note that the referring page numbers in this section refer to the complete document.
Added tape and reel in
Buffer” on page
1. Removed “Preliminary” from cover page.
2. Added clarification before
3. Updated
4. Updated
5. Adjusted notes in
1. Updated document template. Re-arranged some sections.
2. Changed device status to "Not Recommended for New Designs".
3. Added Sections:
4. Updated Sections:
5. Added Figures:
tor,” on page
changed INTERNAL 1.18V REFERENCE to 1.1V.
page
5.5V (unless otherwise noted).,” on page
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“Data Retention” on page 6
“Clock Sources” on page 25
“Low Level Interrupt” on page 51
“Prescaling and Conversion Timing” on page 145
“Clock speed considerations” on page 131
“Code Examples” on page 6
“High-Frequency PLL Clock” on page 26
“Normal Mode” on page 99
“Features” on page 142
“Temperature Measurement” on page 154
“Limitations of debugWIRE” on page 164
Step 1. on page 174
“Programming the Flash” on page 180
“System and Reset Characteristics” on page 190
“Flash Programming Waveforms” on page 182
“Reset Pin Output Voltage vs. Sink Current (V
“Reset Pin Output Voltage vs. Sink Current (V
“Reset Pin Output Voltage vs. Sink Current (V
“Reset Pin Output Voltage vs. Sink Current (V
173, No. of Pages from 64 to 32 for ATtiny261.
Figure 15-1 “Analog to Digital Converter Block Schematic” on page
Table 18-8, “No. of Words in a Page and No. of Pages in the EEPROM,” on
32. Removed text "Not recommended for new design" from cover page.
29.
“Ordering Information” on page
Table 19-1, “DC Characteristics. T
Table 6-10, “Capacitance for Low-Frequency Crystal Oscilla-
187.
CC
CC
CC
CC
227. Clarified
= 3V)” on page 209
= 3V)” on page 209
= 3V)” on page 209
= 3V)” on page 209
A
= -40°C to +85°C, V
Section 6.4 “Clock Output
CC
2588E–AVR–08/10
143,
= 1.8V to