ATTINY261-20MUR Atmel, ATTINY261-20MUR Datasheet - Page 239
![IC MCU AVR 2K FLASH 20MHZ 32QFN](/photos/12/13/121309/313-32-qfn_sml.jpg)
ATTINY261-20MUR
Manufacturer Part Number
ATTINY261-20MUR
Description
IC MCU AVR 2K FLASH 20MHZ 32QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY261-20MUR
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
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-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 239 of 242
- Download datasheet (5Mb)
2588E–AVR–08/10
13 USI – Universal Serial Interface .......................................................... 125
14 AC – Analog Comparator .................................................................... 137
15 ADC – Analog to Digital Converter ..................................................... 142
16 debugWIRE On-chip Debug System .................................................. 163
12.7
12.8
12.9
12.10
12.11
12.12
13.1
13.2
13.3
13.4
13.5
14.1
14.2
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
15.10
15.11
15.12
15.13
16.1
16.2
16.3
16.4
16.5
Compare Match Output Unit ............................................................................97
Modes of Operation .........................................................................................99
Timer/Counter Timing Diagrams ...................................................................106
Fault Protection Unit ......................................................................................107
Accessing 10-Bit Registers ............................................................................108
Register Description ......................................................................................112
Features ........................................................................................................125
Overview ........................................................................................................125
Functional Descriptions .................................................................................126
Alternative USI Usage ...................................................................................132
Register Descriptions ....................................................................................132
Analog Comparator Multiplexed Input ...........................................................137
Register Description ......................................................................................139
Features ........................................................................................................142
Overview ........................................................................................................142
Operation .......................................................................................................143
Starting a Conversion ....................................................................................144
Prescaling and Conversion Timing ................................................................145
Changing Channel or Reference Selection ...................................................148
ADC Noise Canceler .....................................................................................149
Analog Input Circuitry ....................................................................................150
Noise Canceling Techniques .........................................................................150
ADC Accuracy Definitions .............................................................................151
ADC Conversion Result .................................................................................153
Temperature Measurement ...........................................................................154
Register Description ......................................................................................155
Features ........................................................................................................163
Overview ........................................................................................................163
Physical Interface ..........................................................................................163
Software Break Points ...................................................................................164
Limitations of debugWIRE .............................................................................164
iii
Related parts for ATTINY261-20MUR
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![ATtiny261](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATtiny261 Automotive](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATTINY261-20MU](/photos/12/13/121309/313-32-qfn_tmb.jpg)
Part Number:
Description:
IC MCU AVR 2K FLASH 20MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATTINY261-20PU](/photos/6/80/68043/313-20-dip_tmb.jpg)
Part Number:
Description:
IC MCU AVR 2K FLASH 20MHZ 20-DIP
Manufacturer:
Atmel
Datasheet:
![ATTINY261-15MZ](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
MCU AVR 2K FLASH 15MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATTINY261-15MAZ](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
MCU AVR 2KB FLASH 15MHZ 32-VQFN
Manufacturer:
Atmel
Datasheet:
![ATTINY261-20SU](/photos/6/80/68042/453-20-soic_tmb.jpg)
Part Number:
Description:
IC MCU AVR 2K FLASH 20MHZ 20SOIC
Manufacturer:
Atmel
Datasheet:
![attiny261-20su-20s2](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Attiny261 8-bit Microcontroller With 2/4/8k Bytes In-system Programmable Flash
Manufacturer:
ATMEL Corporation
Datasheet:
![ATTINY261-20SUR](/photos/6/80/68042/453-20-soic_tmb.jpg)
Part Number:
Description:
IC MCU AVR 2K FLASH 20MHZ 20SOIC
Manufacturer:
Atmel
Datasheet:
![ATtiny26](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet: