ATtiny861 Atmel Corporation, ATtiny861 Datasheet

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ATtiny861

Manufacturer Part Number
ATtiny861
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATtiny861

Flash (kbytes)
8 Kbytes
Pin Count
20
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes

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Features
High Performance, Low Power AVR
Advanced RISC Architecture
Non-volatile Program and Data Memories
Peripheral Features
Special Microcontroller Features
I/O and Packages
Operating Voltage:
Speed Grade:
Industrial Temperature Range
Low Power Consumption
– 123 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– 2/4/8K Byte of In-System Programmable Program Memory Flash
– 128/256/512 Bytes In-System Programmable EEPROM
– 128/256/512 Bytes Internal SRAM
– Data retention: 20 years at 85°C / 100 years at 25°C
– Programming Lock for Self-Programming Flash Program & EEPROM Data Security
– 8/16-bit Timer/Counter with Prescaler
– 8/10-bit High Speed Timer/Counter with Separate Prescaler
– 10-bit ADC
– On-chip Analog Comparator
– Programmable Watchdog Timer with Separate On-chip Oscillator
– Universal Serial Interface with Start Condition Detector
– debugWIRE On-chip Debug System
– In-System Programmable via SPI Port
– External and Internal Interrupt Sources
– Low Power Idle, ADC Noise Reduction, Standby and Power-Down Modes
– Enhanced Power-on Reset Circuit
– Programmable Brown-out Detection Circuit
– Internal Calibrated Oscillator
– On-chip Temperature Sensor
– 16 Programmable I/O Lines
– Available in 20-pin PDIP, 20-pin SOIC and 32-pad MLF
– 1.8 – 5.5V for ATtiny261V/461V/861V
– 2.7 – 5.5V for ATtiny261/461/861
– ATtiny261V/461V/861V: 0 – 4 MHz @ 1.8 – 5.5V, 0 – 10 MHz @ 2.7 – 5.5V
– ATtiny261/461/861: 0 – 10 MHz @ 2.7 – 5.5V, 0 – 20 MHz @ 4.5 – 5.5V
– Active Mode (1 MHz System Clock): 300 µA @ 1.8V
– Power-Down Mode: 0.1 µA at 1.8V
• Endurance: 10,000 Write/Erase Cycles
• Endurance: 100,000 Write/Erase Cycles
• 3 High Frequency PWM Outputs with Separate Output Compare Registers
• Programmable Dead Time Generator
• 11 Single-Ended Channels
• 16 Differential ADC Channel Pairs
• 15 Differential ADC Channel Pairs with Programmable Gain (1x, 8x, 20x, 32x)
®
8-Bit Microcontroller
8-bit
Microcontroller
with 2/4/8K
Bytes In-System
Programmable
Flash
ATtiny261/V
ATtiny461/V
ATtiny861/V
Summary
2588ES–AVR–08/10

Related parts for ATtiny861

ATtiny861 Summary of contents

Page 1

... ATtiny261/461/861: 0 – 10 MHz @ 2.7 – 5.5V, 0 – 20 MHz @ 4.5 – 5.5V • Industrial Temperature Range • Low Power Consumption – Active Mode (1 MHz System Clock): 300 µA @ 1.8V – Power-Down Mode: 0.1 µA at 1.8V ® 8-Bit Microcontroller 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash ATtiny261/V ATtiny461/V ATtiny861/V Summary 2588ES–AVR–08/10 ...

Page 2

Pin Configurations Figure 1-1. Pinout ATtiny261/461/861 and ATtiny261V/461V/861V (MOSI/DI/SDA/OC1A/PCINT8) PB0 (MISO/DO/OC1A/PCINT9) PB1 (SCK/USCK/SCL/OC1B/PCINT10) PB2 (ADC7/OC1D/CLKI/XTAL1/PCINT12) PB4 (ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5 (ADC9/INT0/T0/PCINT14) PB6 (ADC10/RESET/PCINT15) PB7 (OC1B/PCINT11) PB3 (ADC7/OC1D/CLKI/XTAL1/PCINT12) PB4 (ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5 Note: To ensure mechanical stability the center pad underneath the QFN/MLF ...

Page 3

Pin Descriptions 1.1.1 VCC Supply voltage. 1.1.2 GND Ground. 1.1.3 AVCC Analog supply voltage. This is the supply voltage pin for the Analog-to-digital Converter (ADC), the analog comparator, the Brown-Out Detector (BOD), the internal voltage reference and Port A. ...

Page 4

Overview ATtiny261/461/861 are low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny261/461/861 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power ...

Page 5

The ATtiny261/461/861 provides the following features: 2/4/8K byte of In-System Programmable Flash, 128/256/512 bytes EEPROM, 128/256/512 bytes SRAM, 16 general purpose I/O lines, 32 general purpose working registers, an 8-bit Timer/Counter with compare modes, an 8-bit high speed Timer/Counter, a ...

Page 6

About 3.1 Resources A comprehensive set of drivers, application notes, data sheets and descriptions on development tools are available for download at http://www.atmel.com/avr. 3.2 Code Examples This documentation contains simple code examples that briefly show how to use various ...

Page 7

Register Summary Address Name Bit 7 0x3F (0x5F) SREG I 0x3E (0x5E) SPH – 0x3D (0x5D) SPL SP7 0x3C (0x5C) Reserved 0x3B (0x5B) GIMSK INT1 0x3A (0x5A) GIFR INTF1 0x39 (0x59) TIMSK OCIE1D 0x38 (0x58) TIFR OCF1D 0x37 (0x57) ...

Page 8

Note: 1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses should never be written. 2. I/O Registers within the address range 0x00 - 0x1F are directly bit-accessible using the SBI ...

Page 9

Instruction Set Summary Mnemonics Operands ARITHMETIC AND LOGIC INSTRUCTIONS ADD Rd, Rr Add two Registers ADC Rd, Rr Add with Carry two Registers ADIW Rdl,K Add Immediate to Word SUB Rd, Rr Subtract two Registers SUBI Rd, K Subtract ...

Page 10

Mnemonics Operands ASR Rd Arithmetic Shift Right SWAP Rd Swap Nibbles BSET s Flag Set BCLR s Flag Clear BST Rr, b Bit Store from Register to T BLD Rd, b Bit load from T to Register SEC Set Carry ...

Page 11

Ordering Information 6.1 ATtiny261 (3) Speed (MHz) Power Supply (V) 10 1.8 - 5.5 20 2.7 - 5.5 Notes: 1. These devices can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering ...

Page 12

ATtiny461 (3) Speed (MHz) Power Supply (V) 10 1.8 - 5.5 20 2.7 - 5.5 Notes: 1. These devices can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering informa- tion and ...

Page 13

... Wide, Plastic Dual Inline Package (PDIP) 20S2 20-lead, 0.300" Wide, Plastic Gull Wing Smal Outline Package (SOIC) 2588ES–AVR–08/10 (4) Ordering Code ATtiny861V-10MU ATtiny861V-10MUR ATtiny861V-10PU ATtiny861V-10SU ATtiny861V-10SUR ATtiny861-20MU ATtiny861-20MUR ATtiny861-20PU ATtiny861-20SU ATtiny861-20SUR 188. Package Type (2) Package Operational Range 32M1-A 32M1-A Industrial 20P3 (-40° ...

Page 14

Packaging Information 7.1 32M1 Pin TOP VIEW Pin #1 Notch (0. BOTTOM VIEW Note: JEDEC Standard MO-220, Fig. 2 (Anvil Singulation), VHHD-2. 2325 Orchard Parkway San ...

Page 15

A SEATING PLANE Notes: 1. This package conforms to JEDEC reference MS-001, Variation AD. 2. Dimensions D and E1 do not include mold Flash or Protrusion. Mold Flash or Protrusion shall not exceed 0.25 mm ...

Page 16

ATtiny261/461/861 16 2588ES–AVR–08/10 ...

Page 17

... The revision letter in this section refers to the revision of the ATtiny461 device. 8.2.1 Rev B Yield improvement. No known errata. 8.2.2 Rev A No known errata. 8.3 Errata ATtiny861 The revision letter in this section refers to the revision of the ATtiny861 device. 8.3.1 Rev B No known errata. 8.3.2 Rev A Not sampled. 2588ES–AVR–08/10 17 ...

Page 18

Datasheet Revision History Please note that the referring page numbers in this section refer to the complete document. 9.1 Rev. 2588E – 08/10 Added tape and reel in Buffer” on page 9.2 Rev. 2588D – 06/10 1. Removed “Preliminary” ...

Page 19

Updated Figures: – – 7. Added Table: – 8. Updated Tables: – – – – 9. Updated Register Descriptions: – – – 10. Updated assembly program example in section 11. Updated wise noted).” on page 9.4 Rev. 2588B ...

Page 20

... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2010 Atmel Corporation. All rights reserved. Atmel trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia Atmel Europe Unit 1-5 & ...

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