2024年3月23日发(作者：索尼投影仪使用说明)

Features

•

High Performance, Low Power AVR

®

8-Bit Microcontroller

•

Advanced RISC Architecture

–120 Powerful Instructions – Most Single Clock Cycle Execution

–32 x 8 General Purpose Working Registers

–Fully Static Operation

•

Non-volatile Program and Data Memories

–2/4/8K Byte of In-System Programmable Program Memory Flash (ATtiny25/45/85)

Endurance: 10,000 Write/Erase Cycles

–128/256/512 Bytes In-System Programmable EEPROM (ATtiny25/45/85)

Endurance: 100,000 Write/Erase Cycles

–128/256/512 Bytes Internal SRAM (ATtiny25/45/85)

–Programming Lock for Self-Programming Flash Program and EEPROM Data

Security

•

Peripheral Features

–8-bit Timer/Counter with Prescaler and Two PWM Channels

–8-bit High Speed Timer/Counter with Separate Prescaler

2 High Frequency PWM Outputs with Separate Output Compare Registers

Programmable Dead Time Generator

–USI – Universal Serial Interface with Start Condition Detector

–10-bit ADC

4 Single Ended Channels

2 Differential ADC Channel Pairs with Programmable Gain (1x, 20x)

Temperature Measurement

–Programmable Watchdog Timer with Separate On-chip Oscillator

–On-chip Analog Comparator

•

Special Microcontroller Features

–debugWIRE On-chip Debug System

–In-System Programmable via SPI Port

–External and Internal Interrupt Sources

–Low Power Idle, ADC Noise Reduction, and Power-down Modes

–Enhanced Power-on Reset Circuit

–Programmable Brown-out Detection Circuit

–Internal Calibrated Oscillator

•

I/O and Packages

–Six Programmable I/O Lines

–8-pin PDIP, 8-pin SOIC and 20-pad QFN/MLF

•

Operating Voltage

–1.8 - 5.5V for ATtiny25/45/85V

–2.7 - 5.5V for ATtiny25/45/85

•

Speed Grade

–ATtiny25/45/85V: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V

–ATtiny25/45/85: 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V

•

Industrial Temperature Range

•

Low Power Consumption

–Active Mode:

1 MHz, 1.8V: 300 μA

–Power-down Mode:

0.1μA at 1.8V

8-bit

Microcontroller

with 2/4/8K

Bytes In-System

Programmable

Flash

ATtiny25/V*

ATtiny45/V

ATtiny85/V*

Summary

*Preliminary

2586JS–AVR–12/06

Configurations

Figure ATtiny25/45/85

PDIP/SOIC

(PCINT5/RESET/ADC0/dW) PB5

(PCINT3/XTAL1/CLKI/OC1B/ADC3) PB3

(PCINT4/XTAL2/CLKO/OC1B/ADC2) PB4

GND

1

2

3

4

8

7

6

5

VCC

PB2 (SCK/USCK/SCL/ADC1/T0/INT0/PCINT2)

PB1 (MISO/DO/AIN1/OC0B/OC1A/PCINT1)

PB0 (MOSI/DI/SDA/AIN0/OC0A/OC1A/AREF/PCINT0)

QFN/MLF

D

N

C

D

N

C

D

N

C

D

N

C

D

N

C

NOTE: Bottom pad should be soldered to ground.

DNC: Do Not Connect

2

ATtiny25/45/85

2586JS–AVR–12/06

D

N

C

D

N

C

G

N

D

D

N

C

D

N

C

6

7

8

9

1

0

(PCINT5/RESET/ADC0/dW) PB5

(PCINT3/XTAL1/CLKI/OC1B/ADC3) PB3

DNC

DNC

(PCINT4/XTAL2/CLKO/OC1B/ADC2) PB4

1

2

3

4

5

2

0

1

9

1

8

1

7

1

6

15

14

13

12

11

VCC

PB2 (SCK/USCK/SCL/ADC1/T0/INT0/PCINT2)

DNC

PB1 (MISO/DO/AIN1/OC0B/OC1A/PCINT1)

PB0 (MOSI/DI/SDA/AIN0/OC0A/OC1A/AREF/PCINT0)