ATTINY861-15MZ Atmel, ATTINY861-15MZ Datasheet - Page 231

• Manufacturer Part Number: ATTINY861-15MZ
• Description: MCU AVR 8K FLASH 15MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY861-15MZ

• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 16
• Eeprom Size: 512 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Program Memory Size: 8KB (8K x 8)
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: USI
• Core Size: 8-Bit
• Processor Series: ATTINY8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SPI
• Maximum Clock Frequency: 16 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, ATAVRMC320
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 11 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents
1
2
3
4
5
6
7
2588B–AVR–11/06
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 3
Resources ................................................................................................. 6
About Code Examples ............................................................................. 7
AVR CPU Core .......................................................................................... 8
AVR Memories ........................................................................................ 16
System Clock and Clock Options ......................................................... 24
1.1 Disclaimer .................................................................................................................2
2.1 Block Diagram ..........................................................................................................3
2.2 Pin Descriptions ........................................................................................................4
5.1 Overview ...................................................................................................................8
5.2 ALU – Arithmetic Logic Unit ......................................................................................9
5.3 Status Register .........................................................................................................9
5.4 General Purpose Register File ...............................................................................11
5.5 Stack Pointer ..........................................................................................................12
5.6 Instruction Execution Timing ..................................................................................13
5.7 Reset and Interrupt Handling ..................................................................................13
6.1 In-System Re-programmable Flash Program Memory ...........................................16
6.2 SRAM Data Memory ...............................................................................................16
6.3 EEPROM Data Memory .........................................................................................17
6.4 I/O Memory .............................................................................................................21
6.5 Register Description ...............................................................................................21
7.1 Clock Systems and their Distribution ......................................................................24
7.2 Clock Sources ........................................................................................................26
7.3 Default Clock Source ..............................................................................................26
7.4 External Clock ........................................................................................................26
7.5 High Frequency PLL Clock - PLLCLK ....................................................................27
7.6 Calibrated Internal RC Oscillator ............................................................................28
7.7 128 kHz Internal Oscillator .....................................................................................29
7.8 Low-frequency Crystal Oscillator ............................................................................29
7.9 Crystal Oscillator ....................................................................................................29
ATtiny261/461/861
i