ATTINY461-20MUR Atmel, ATTINY461-20MUR Datasheet - Page 18

• Manufacturer Part Number: ATTINY461-20MUR
• Description: IC MCU AVR 4K 20MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY461-20MUR

• 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: 32-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9. Datasheet Revision History
9.1
9.2
9.3
18
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
2588ES–AVR–08/10
143,
= 1.8V to