ATTINY261A-MN Atmel, ATTINY261A-MN Datasheet - Page 2

• Manufacturer Part Number: ATTINY261A-MN
• Description: IC MCU AVR 2K FLASH 32QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261A-MN

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, 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): 1.8 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: ATtiny
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 128 B, 256 B, 512 B
• Interface Type: SPI, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 105 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. Pin Configurations
Figure 1-1.
Note:
2
To ensure mechanical stability the center pad underneath the QFN/MLF package should be soldered to ground on the board.
ATtiny261A/461A/861A
Pinout ATtiny261A/461A/861A
(ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5
(ADC7/OC1D/CLKI/XTAL1/PCINT12) PB4
(ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5
(ADC7/OC1D/CLKI/XTAL1/PCINT12) PB4
(SCK/USCK/SCL/OC1B/PCINT10) PB2
(MOSI/DI/SDA/OC1A/PCINT8) PB0
(MISO/DO/OC1A/PCINT9) PB1
(ADC10/RESET/PCINT15) PB7
(ADC9/INT0/T0/PCINT14) PB6
(OC1B/PCINT11) PB3
(OC1B/PCINT11) PB3
GND
VCC
NC
NC
NC
1
2
3
4
5
6
7
8
GND
VCC
PDIP/SOIC/TSSOP
1
2
3
4
5
6
7
8
9
10
QFN/MLF
20
19
18
17
16
15
14
13
12
11
PA0 (ADC0/DI/SDA/PCINT0)
PA1 (ADC1/DO/PCINT1)
PA2 (ADC2/INT1/USCK/SCL/PCINT2)
PA3 (AREF/PCINT3)
AGND
AVCC
PA4 (ADC3/ICP0/PCINT4)
PA5 (ADC4/AIN2/PCINT5)
PA6 (ADC5/AIN0/PCINT6)
PA7 (ADC6/AIN1/PCINT7)
24
23
22
21
20
19
18
17
NC
PA2 (ADC2/INT1/USCK/SCL/PCINT2)
PA3 (AREF/PCINT3)
AGND
NC
NC
AVCC
PA4 (ADC3/ICP0/PCINT4)
8197B–AVR–01/10