ATTINY261-20SU Atmel, ATTINY261-20SU Datasheet - Page 240
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ATTINY261-20SU
Manufacturer Part Number
ATTINY261-20SU
Description
IC MCU AVR 2K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY261-20SU
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
20-SOIC (7.5mm Width)
Processor Series
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
SPI, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 55 C
On-chip Adc
10 bit, 11 Channel
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATSTK505 - 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:
ATTINY261-20SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
iv
ATtiny261/461/861
17 Self-Programming the Flash ............................................................... 165
18 Memory Programming ......................................................................... 170
19 Electrical Characteristics .................................................................... 187
20 Typical Characteristics ........................................................................ 197
16.6
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
18.1
18.2
18.3
18.4
18.5
18.6
18.7
19.1
19.2
19.3
19.4
19.5
19.6
19.7
19.8
20.1
20.2
20.3
20.4
20.5
20.6
Register Description ......................................................................................164
Performing Page Erase by SPM ....................................................................165
Filling the Temporary Buffer (Page Loading) .................................................165
Performing a Page Write ...............................................................................166
Addressing the Flash During Self-Programming ...........................................166
EEPROM Write Prevents Writing to SPMCSR ..............................................167
Reading Fuse and Lock Bits from Software ..................................................167
Preventing Flash Corruption ..........................................................................168
Programming Time for Flash when Using SPM ............................................168
Register Description ......................................................................................169
Program And Data Memory Lock Bits ...........................................................170
Fuse Bytes .....................................................................................................171
Signature Bytes .............................................................................................172
Calibration Byte .............................................................................................173
Page Size ......................................................................................................173
Serial Programming .......................................................................................173
Parallel Programming ....................................................................................177
Absolute Maximum Ratings* .........................................................................187
DC Characteristics .........................................................................................187
Speed ............................................................................................................188
Clock Characteristics .....................................................................................189
System and Reset Characteristics ................................................................190
ADC Characteristics ......................................................................................192
Serial Programming Characteristics ..............................................................193
Parallel Programming Characteristics ...........................................................194
Supply Current of I/O modules ......................................................................197
Active Supply Current ....................................................................................198
Idle Supply Current ........................................................................................201
Power-down Supply Current ..........................................................................203
Pin Pull-up .....................................................................................................204
Pin Driver Strength ........................................................................................207
2588E–AVR–08/10