ATTINY461A-SU Atmel, ATTINY461A-SU Datasheet - Page 290
![IC MCU AVR 4K FLASH 20MHZ 20SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
ATTINY461A-SU
Manufacturer Part Number
ATTINY461A-SU
Description
IC MCU AVR 4K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY461A-SU
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
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 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
20-SOIC (7.5mm Width)
Controller Family/series
ATtiny
No. Of I/o's
16
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
20MHz
Rohs Compliant
Yes
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Operating Supply Voltage
1.8 V to 5.5 V
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY461A-SU
Manufacturer:
FSC
Quantity:
30 000
Part Number:
ATTINY461A-SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATTINY461A-SUR
Manufacturer:
HITTIE
Quantity:
2 140
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iv
ATtiny261A/461A/861A
17 Self-Programming the Flash ............................................................... 162
18 Memory Programming ......................................................................... 167
19 Electrical Characteristics .................................................................... 184
20 Typical Characteristics ........................................................................ 193
16.5
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
Limitations of debugWIRE .............................................................................161
Register Description ......................................................................................161
Performing Page Erase by SPM ....................................................................162
Filling the Temporary Buffer (Page Loading) .................................................162
Performing a Page Write ...............................................................................163
Addressing the Flash During Self-Programming ...........................................163
EEPROM Write Prevents Writing to SPMCSR ..............................................164
Reading Fuse and Lock Bits from Software ..................................................164
Preventing Flash Corruption ..........................................................................165
Programming Time for Flash when Using SPM ............................................165
Register Description ......................................................................................166
Program And Data Memory Lock Bits ...........................................................167
Fuse Bytes .....................................................................................................168
Signature Bytes .............................................................................................169
Calibration Byte .............................................................................................169
Page Size ......................................................................................................170
Serial Programming .......................................................................................170
Parallel Programming ....................................................................................174
Absolute Maximum Ratings* .........................................................................184
DC Characteristics .........................................................................................184
Speed Grades ...............................................................................................185
Clock Characteristics .....................................................................................186
System and Reset Characteristics ................................................................187
ADC Characteristics ......................................................................................188
Serial Programming Characteristics ..............................................................189
Parallel Programming Characteristics ...........................................................190
Supply Current of I/O modules ......................................................................193
ATtiny261A ....................................................................................................195
ATtiny461A ....................................................................................................221
ATtiny861A ....................................................................................................247
8197B–AVR–01/10
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