ATTINY261A-SUR Atmel, ATTINY261A-SUR Datasheet - Page 289
ATTINY261A-SUR
Manufacturer Part Number
ATTINY261A-SUR
Description
MCU AVR 2KB FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY461A-MU.pdf
(292 pages)
Specifications of ATTINY261A-SUR
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY261A-SUR
Manufacturer:
Atmel
Quantity:
3 598
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8197B–AVR–01/10
13 USI – Universal Serial Interface .......................................................... 123
14 AC – Analog Comparator .................................................................... 135
15 ADC – Analog to Digital Converter ..................................................... 140
16 debugWIRE On-chip Debug System .................................................. 160
12.6
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
Dead Time Generator ......................................................................................94
Compare Match Output Unit ............................................................................95
Modes of Operation .........................................................................................97
Timer/Counter Timing Diagrams ...................................................................104
Fault Protection Unit ......................................................................................105
Accessing 10-Bit Registers ............................................................................106
Register Description ......................................................................................110
Features ........................................................................................................123
Overview ........................................................................................................123
Functional Descriptions .................................................................................124
Alternative USI Usage ...................................................................................129
Register Descriptions ....................................................................................130
Analog Comparator Multiplexed Input ...........................................................135
Register Description ......................................................................................137
Features ........................................................................................................140
Overview ........................................................................................................140
Operation .......................................................................................................141
Starting a Conversion ....................................................................................142
Prescaling and Conversion Timing ................................................................143
Changing Channel or Reference Selection ...................................................146
ADC Noise Canceler .....................................................................................147
Analog Input Circuitry ....................................................................................147
Noise Canceling Techniques .........................................................................148
ADC Accuracy Definitions .............................................................................148
ADC Conversion Result .................................................................................151
Temperature Measurement ...........................................................................152
Register Description ......................................................................................153
Features ........................................................................................................160
Overview ........................................................................................................160
Physical Interface ..........................................................................................160
Software Break Points ...................................................................................161
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