ATTINY261-20MU Atmel, ATTINY261-20MU Datasheet - Page 239
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ATTINY261-20MU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY261-20MU
Manufacturer:
AVNET
Quantity:
20 000
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
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