ATTINY261-20MU Atmel, ATTINY261-20MU Datasheet - Page 138

• 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

138
ATtiny261/461/861
Table 14-1.
ACME
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
ADEN
x
x
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Analog Comparator Multiplexed Input (Continued)
MUX5:0
xxxxxx
xxxxxx
xxxxxx
000000
000000
000000
000001
000001
000001
000010
000010
000010
000011
000011
000011
000100
000100
000100
000101
000101
000101
000110
000110
000110
000111
000111
000111
001000
001000
001000
001001
001001
001001
001010
001010
001010
ACM2:0
100
101,110,111
000
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
000
01x
1xx
Positive Input
AIN2
AIN2
AIN0
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
AIN0
AIN1
AIN2
Negative Input
AIN0
AIN1
AIN1
ADC0
ADC0
ADC0
ADC1
ADC1
ADC1
ADC2
ADC2
ADC2
ADC3
ADC3
ADC3
ADC4
ADC4
ADC4
ADC5
ADC5
ADC5
ADC6
ADC6
ADC6
ADC7
ADC7
ADC7
ADC8
ADC8
ADC8
ADC9
ADC9
ADC9
ADC10
ADC10
ADC10
2588E–AVR–08/10