ATTINY861A-XU Atmel, ATTINY861A-XU Datasheet - Page 287
![Microcontrollers (MCU) 8K Flash;125B EEPROM 128B SRAM;16 IO Pins](/photos/39/70/397036/tssop20_sml.jpg)
ATTINY861A-XU
Manufacturer Part Number
ATTINY861A-XU
Description
Microcontrollers (MCU) 8K Flash;125B EEPROM 128B SRAM;16 IO Pins
Manufacturer
Atmel
Datasheet
1.ATTINY861A-XU.pdf
(292 pages)
Specifications of ATTINY861A-XU
Core
RISC
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
8 KB
Data Ram Size
512 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
Package / Case
TSSOP-20
Minimum Operating Temperature
- 40 C
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY861A-XUR
Manufacturer:
IDT
Quantity:
1 300
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Table of Contents
8197B–AVR–01/10
1
2
3
4
5
6
7
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 4
General Information ................................................................................. 6
CPU Core .................................................................................................. 7
Memories ................................................................................................ 15
Clock System ......................................................................................... 24
Power Management and Sleep Modes ................................................. 34
1.1
2.1
3.1
3.2
3.3
4.1
4.2
4.3
4.4
4.5
4.6
4.7
5.1
5.2
5.3
5.4
5.5
6.1
6.2
6.3
6.4
6.5
7.1
7.2
Pin Descriptions .................................................................................................3
Block Diagram ...................................................................................................4
Resources .........................................................................................................6
Code Examples .................................................................................................6
Data Retention ...................................................................................................6
Architectural Overview .......................................................................................7
ALU – Arithmetic Logic Unit ...............................................................................8
Status Register ..................................................................................................8
General Purpose Register File ........................................................................10
Stack Pointer ...................................................................................................11
Instruction Execution Timing ...........................................................................12
Reset and Interrupt Handling ...........................................................................13
In-System Re-programmable Flash Program Memory ....................................15
SRAM Data Memory ........................................................................................15
EEPROM Data Memory ..................................................................................16
I/O Memory ......................................................................................................20
Register Description ........................................................................................20
Clock Subsystems ...........................................................................................24
Clock Sources .................................................................................................25
System Clock Prescaler ..................................................................................31
Clock Output Buffer .........................................................................................32
Register Description ........................................................................................32
Sleep Modes ....................................................................................................34
Software BOD Disable .....................................................................................35
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