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ATTINY40-SU
+BOMIC MCU 8BIT 4KB FLASH 20SOIC
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ManufacturerAtmel
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Mfr. Part #ATTINY40-SU
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In Stock3629
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Specifications
| Attribute | Value |
| Series | AVR® ATtiny |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 12MHz |
| Connectivity | I2C, SPI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 18 |
| Program Memory Size | 4KB (2K x 16) |
| Program Memory Type | FLASH |
| RAM Size | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 12x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-SOIC |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Base Product Number | ATTINY40 |
Overview
Description
This microcontroller operates at a maximum clock speed of 12 MHz and supports various power-saving modes, making it ideal for battery-powered devices. It includes a range of peripherals: an 8-channel 10-bit ADC, SPI communication, a Universal Serial Interface (USI), and I/O ports for interacting with other hardware components. Additionally, it offers features like an internal RC oscillator and an analog comparator.
The device is packaged in a compact 20-pin SOIC form factor, facilitating easy integration into space-constrained projects. Its robustness and low power consumption make the ATTINY40-SU suitable for embedded applications like sensor interfacing, small control systems, and educational projects.
Equivalent
1. Microchip ATTINY44A - Another 8-bit AVR microcontroller with similar features.
2. Microchip ATTINY25 - A smaller, lower pin-count option.
3. NXP LPC810 - ARM Cortex-M0+ based microcontroller, similar feature set.
4. STMicroelectronics STM8S003F3 - 8-bit microcontroller with comparable functionality.
These alternatives may differ in specific features such as memory size, pin count, or peripherals.
Features
1. Core: 8-bit AVR RISC architecture for efficient instruction execution.
2. Program Memory: 4KB Flash for storing code.
3. RAM: 256 bytes of internal SRAM for data storage.
4. EEPROM: No EEPROM is included.
5. I/O Ports: 12 general-purpose I/O pins for interfacing.
6. Timers: Two 8-bit timers/counters for timing operations.
7. ADC: 8-channel, 10-bit ADC for analog signal processing.
8. Clock: Internal 8 MHz RC oscillator for clock generation.
9. Operating Voltage: 1.8V to 5.5V, enabling low-power operation.
10. Package: Available in a 20-pin SOIC form factor.
11. Temperature Range: Operates from -40°C to +85°C.
12. Low Power: Power-down and idle modes for energy efficiency.
13. Peripherals: Includes a Universal Serial Interface (USI) for communication.
The ATTINY40-SU is ideal for small-scale embedded systems requiring basic control and monitoring functions.
Pinout
1. Pin Count: 20 pins.
2. Functionality:
- CPU: 8-bit AVR RISC architecture.
- Memory: 4KB of Flash memory, 256B of SRAM, and 256B of EEPROM.
- I/O Ports: 18 general-purpose I/O pins.
- Peripherals: Includes a Universal Serial Interface (USI), analog comparator, and internal 8MHz oscillator.
- Timers: Features two 8-bit Timer/Counters.
- ADC: 10-bit ADC with up to 12 single-ended channels.
- Operating Voltage: 1.8V to 5.5V.
- Speed: Up to 20MHz.
- Other Features: Watchdog Timer, Power-on Reset, and programmable Brown-out Detection.
The ATTINY40-SU is suitable for compact, low-power applications, offering versatile I/O, multiple communication interfaces, and efficient on-chip resources.
Manufacturer
Application
1. Consumer Electronics: Used in devices like remote controls, toys, and small gadgets.
2. Home Automation: Ideal for smart home devices such as sensors and small control units.
3. Industrial Automation: Utilized in simple control systems and monitoring tools.
4. Automotive: Suitable for managing small tasks in automotive electronics.
5. Medical Devices: Applied in portable and wearable medical equipment.
6. IoT Devices: Used in low-power IoT applications for basic computations and data handling.
Its cost-effectiveness and ease of integration make it a popular choice in embedded systems.