ATtiny24A - Electronic component Microchip - Free user manual and instructions
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| Type of product | Microcontroller |
| Brand | Microchip |
| Model | ATtiny24A |
| Package | SOIC-14, PDIP-14, QFN-20 |
| Dimensions (SOIC-14) | 8.65 mm x 3.9 mm x 1.75 mm |
| Weight (SOIC-14) | < 0.5 g |
| Supply voltage | 1.8 V to 5.5 V |
| Maximum clock frequency | 20 MHz at 5V |
| Flash memory | 2 KB |
| SRAM | 128 bytes |
| EEPROM | 128 bytes |
| I/O pins | 12 |
| Interfaces | USI (universal serial interface), ADC (8-channel, 10-bit) |
| Operating temperature range | -40°C to +85°C |
| Power consumption (active mode, 1 MHz, 1.8V) | 210 µA |
| Power consumption (power-down mode) | 0.1 µA |
| Programming interface | ISP (In-System Programming) via SPI |
| Maintenance | No regular maintenance required; handle with ESD precautions |
| Safety | Use appropriate ESD protection; avoid exceeding absolute maximum ratings |
| Spare parts | Not applicable; component is soldered on PCB |
| General information | Complete datasheet available from Microchip website |
Frequently Asked Questions - ATtiny24A Microchip
What is the ATtiny24A microcontroller?
The ATtiny24A is a low-power, 8-bit AVR microcontroller from Microchip, with 2KB flash, 128B SRAM, and 128B EEPROM. It operates at 1.8-5.5V and up to 20 MHz.
How do I program the ATtiny24A?
You can program it via ISP (In-System Programming) using an SPI interface. Tools like AVR ISP mkII or USBasp are commonly used with software such as AVRDUDE or Atmel Studio.
What are the power consumption figures?
In active mode at 1 MHz and 1.8V, it consumes about 210 µA. In power-down mode, it consumes as low as 0.1 µA, making it ideal for battery-powered applications.
What is the maximum clock speed?
The maximum clock frequency is 20 MHz when operating at 5V. At lower voltages, the maximum frequency decreases (e.g., 8 MHz at 2.7V).
How many I/O pins does it have?
It has 12 general-purpose I/O pins, available in different packages (14-pin SOIC/PDIP or 20-pin QFN). Some pins have multiple functions like ADC input or external interrupts.
Does it have an ADC?
Yes, it features an 8-channel, 10-bit ADC with a conversion time of 65 µs at 1 MHz. The reference voltage can be internal or external.
What development tools are compatible?
You can use Atmel Studio, AVR-GCC, or Arduino IDE (with ATTinyCore). Programmers include USBasp, AVR ISP, and Arduino as ISP.
What is the operating temperature range?
The ATtiny24A operates over an industrial temperature range of -40°C to +85°C.
Can I use it with Arduino?
Yes, you can program it using the Arduino IDE with the ATTinyCore board package. Wiring and programming are similar to other ATtiny chips.
Where can I find the datasheet?
The complete datasheet (document number DS40002235A) is available for free on Microchip's website. It includes pinouts, electrical characteristics, and instruction set details.
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