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ATTINY461A-MU
+BOMIC MCU 8BIT 4KB FLASH 32VQFN
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ManufacturerAtmel
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Mfr. Part #ATTINY461A-MU
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Datasheet ATTINY461A-MU DataSheet
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Package VQFN-32
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In Stock6459
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Specifications
| Attribute | Value |
| Package / Case | Bulk |
| Series | AVR® ATtiny |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 16 |
| Program Memory Size | 4KB (2K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 11x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
Key features include a rich set of peripherals such as a 10-bit ADC, timers/counters, USART, SPI, and I2C interfaces. Its low-power consumption modes make it ideal for battery-powered devices. The microcontroller supports in-system programming (ISP) and debugWIRE for easy development and debugging.
The ATTINY461A-MU is suitable for applications like sensor interfacing, simple control systems, and consumer electronics. It benefits from a wide operating voltage range (1.8V to 5.5V), ensuring versatility across different applications. Its small size and robust feature set make it a reliable choice for developers seeking a balance between performance and efficiency.
Equivalent
1. Microchip ATTINY861A-MU Offers more features and I/O pins.
2. Microchip ATTINY85: Similar 8-bit microcontroller with fewer I/O pins.
3. STMicroelectronics STM8S003F3P68-bit MCU with similar functionality.
4. NXP LPC810: ARM Cortex-M0+ MCU with comparable features.
Always verify pin compatibility and specific features for exact replacements.
Features
1. Core: It is based on the AVR RISC architecture.
2. Flash Memory: 4KB of In-System Programmable Flash.
3. SRAM: 256 bytes.
4. EEPROM: 256 bytes.
5. Clock Speed: Up to 20 MHz.
6. Package: Available in a 20-pin MU variant.
7. Timers: Two 8-bit and one 16-bit timer/counter.
8. PWM Channels: Supports PWM with four channels.
9. Analog Comparator: One analog comparator.
10. ADC: 10-bit ADC with 11 channels.
11. Communication Interfaces: Includes USART, SPI, and I²C compatible serial interface.
12. Operating Voltage: 1.8V to 5.5V.
13. Power-saving Modes: Multiple power-saving modes for energy efficiency.
14. Watchdog Timer: Programmable with separate on-chip oscillator.
15. Brown-out Detection: Ensures safe startup.
16. Debugging: On-chip debug system with JTAG interface.
This microcontroller is suitable for compact, low-power applications requiring simple control tasks.
Pinout
1. Port B (PB0-PB7): General-purpose I/O pins with additional functions like ADC, PWM, SPI, and timer.
2. Port A (PA0-PA7): General-purpose I/O pins; some are shared with ADC inputs and other peripherals.
3. RESET: External Reset input.
4. VCC: Power supply pin.
5. GND: Ground pin.
Key features of the ATTINY461A-MU include a maximum clock frequency of 20 MHz, up to 4 KB of Flash memory, 256 bytes of EEPROM, and 256 bytes of SRAM. It supports peripherals such as a 10-bit ADC, two 8-bit timers, and one 16-bit timer. The microcontroller is suitable for compact, power-efficient applications with its rich feature set and small package size.