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Atmel Electronic Components Datasheet

ATtiny40 Datasheet

8-bit tinyAVR Microcontroller

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8-bit Atmel tinyAVR Microcontroller with
4K Bytes In-System Programmable Flash
ATtiny40
Features
High Performance, Low Power AVR® 8-Bit Microcontroller
Advanced RISC Architecture
– 54 Powerful Instructions – Most Single Clock Cycle Execution
– 16 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 12 MIPS Throughput at 12 MHz
Non-volatile Program and Data Memories
– 4K Bytes of In-System Programmable Flash Program Memory
– 256 Bytes Internal SRAM
– Flash Write/Erase Cycles: 10,000
– Data Retention: 20 Years at 85oC / 100 Years at 25oC
Peripheral Features
– One 8-bit Timer/Counter with Two PWM Channels
– One 8/16-bit Timer/Counter
– 10-bit Analog to Digital Converter
• 12 Single-Ended Channels
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Master/Slave SPI Serial Interface
– Slave TWI Serial Interface
Special Microcontroller Features
– In-System Programmable
– External and Internal Interrupt Sources
– Low Power Idle, ADC Noise Reduction, Stand-by and Power-down Modes
– Enhanced Power-on Reset Circuit
– Internal Calibrated Oscillator
I/O and Packages
– 20-pin SOIC: 18 Programmable I/O Lines
– 20-pin TSSOP: 18 Programmable I/O Lines
– 20-pad VQFN: 18 Programmable I/O Lines
Operating Voltage:
– 1.8 – 5.5V
Programming Voltage:
– 5V
Speed Grade
– 0 – 4 MHz @ 1.8 – 5.5V
– 0 – 8 MHz @ 2.7 – 5.5V
– 0 – 12 MHz @ 4.5 – 5.5V
Industrial Temperature Range
Low Power Consumption
– Active Mode:
• 200 µA at 1 MHz and 1.8V
– Idle Mode:
• 25 µA at 1 MHz and 1.8V
– Power-down Mode:
• < 0.1 µA at 1.8V
8263B–AVR–01/2013


Atmel Electronic Components Datasheet

ATtiny40 Datasheet

8-bit tinyAVR Microcontroller

No Preview Available !

1. Pin Configurations
Figure 1-1. Pinout of ATtiny40
SOIC/TSSOP
(PCINT8/ADC8) PB0
(PCINT7/ADC7) PA7
(PCINT6/ADC6) PA6
(PCINT5/ADC5/OC0B) PA5
(PCINT4/ADC4/T0) PA4
(PCINT3/ADC3) PA3
(PCINT2/ADC2/AIN1) PA2
(PCINT1/ADC1/AIN0) PA1
(PCINT0/ADC0) PA0
GND
1
2
3
4
5
6
7
8
9
10
20 PB1 (ADC9/PCINT9)
19 PB2 (ADC10/PCINT10)
18 PB3 (ADC11/PCINT11)
17 PC0 (OC0A/SS/PCINT12)
16 PC1 (SCK/SCL/ICP1/T1/PCINT13)
15 PC2 (INT0/CLKO/MISO/PCINT14)
14 PC3 (RESET/PCINT15)
13 PC4 (MOSI/SDA/TPIDATA/PCINT16)
12 PC5 (CLKI/TPICLK/PCINT17)
11 VCC
VQFN
(PCINT6/ADC6) PA6
(PCINT5/ADC5/OC0B) PA5
(PCINT4/ADC4/T0) PA4
(PCINT3/ADC3) PA3
(PCINT2/ADC2/AIN1) PA2
1
2
3
4
5
15 PC0 (OC0A/SS/PCINT12)
14 PC1 (SCK/SCL/ICP1/T1/PCINT13)
13 PC2 (INT0/CLKO/MISO/PCINT14)
12 PC3 (RESET/PCINT15)
11 PC4 (MOSI/SDA/TPIDATA/PCINT16)
NOTE: Bottom pad should be soldered to ground.
ATtiny40 [DATASHEET]
8263B–AVR–01/2013
2


Part Number ATtiny40
Description 8-bit tinyAVR Microcontroller
Maker ATMEL
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ATtiny40 Datasheet PDF






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