ATTINY261-20MU Atmel, ATTINY261-20MU Datasheet - Page 157

• Manufacturer Part Number: ATTINY261-20MU
• Description: IC MCU AVR 2K FLASH 20MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261-20MU

• 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: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 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-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: 2-Wire, SPI, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• 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
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 11 Channel
• Package: 32MLF EP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATSTK505 - ADAPTER KIT FOR 14PIN AVR MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2588E–AVR–08/10
gain stage enables offset measurements. Selecting the single-ended channel ADC11 enables
the temperature sensor. Refer to
Table 15-4.
MUX5:0
000000
000001
000010
000011
000100
000101
000110
001000
001001
001010
001011
001100
001101
010000
010001
010010
010011
010100
010101
010110
011000
011001
011010
000111
001110
001111
010111
011011
011100
011101
011110
011111
Input Channel Selections
Single-Ended
ADC10 (PB7)
ADC0 (PA0)
ADC1 (PA1)
ADC2 (PA2)
ADC3 (PA4)
ADC4 (PA5)
ADC5 (PA6)
ADC6 (PA7)
ADC7 (PB4)
ADC8 (PB5)
ADC9 (PB6)
Input
1.1V
N/A
NA
NA
NA
0V
Table 15-4
ADC10 (PB7)
ADC10 (PB7)
ADC8 (PB5)
ADC8 (PB5)
ADC9 (PB6)
ADC0 (PA0)
ADC0 (PA0)
ADC1 (PA1)
ADC2 (PA2)
ADC2 (PA2)
ADC2 (PA2)
ADC3 (PA4)
ADC4 (PA5)
ADC4 (PA5)
ADC4 (PA5)
ADC4 (PA5)
ADC5 (PA6)
ADC6 (PA7)
ADC6 (PA7)
Positive
N/A
NA
for details.
Differential Input
ADC1 (PA1)
ADC1 (PA1)
ADC1 (PA1)
ADC1 (PA1)
ADC1 (PA1)
ADC3 (PA4)
ADC3 (PA4)
ADC3 (PA4)
ADC3 (PA4)
ADC5 (PA6)
ADC5 (PA6)
ADC5 (PA6)
ADC5 (PA6)
ADC5 (PA6)
ADC9 (PB6)
ADC9 (PB6)
ADC9 (PB6)
ADC9 (PB6)
ADC9 (PB6)
Negative
N/A
NA
Gain
20x
20x
20x
20x
20x
20x
20x
20x
20x
20x
20x
N/A
NA
1x
1x
1x
1x
1x
1x
1x
1x
157