規格
| 屬性 | 價值 |
| Package | Bulk |
| Series | AVR® ATtiny |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT |
| NumberofI/O | 12 |
| ProgramMemorySize | 2KB (1K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 128 x 8 |
| RAMSize | 128 x 8 |
| Voltage-Supply(Vcc/Vdd) | 1.8V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 14-SOIC (0.154, 3.90mm Width) |
概述
Description
The ATtiny24A-SSU is a low-power, 8-bit microcontroller from Microchip’s AVR family. It features:
- 2KB Flash memory
- 128B SRAM & 128B EEPROM
- 12 I/O pins (including 8-bit and 4-bit ports)
- 10-bit ADC, PWM, and hardware USI for SPI/I²C communication
- 1.8–5.5V operating voltage, making it suitable for battery-powered applications
- Up to 20MHz clock speed (with external oscillator)
Packaged in a 14-pin SOIC, it’s ideal for compact, cost-sensitive designs like sensors, wearables, or simple control systems. Its sleep modes enhance energy efficiency.
Programming is supported via SPI using tools like AVR ISP or Arduino (with cores like ATTinyCore).
Key strengths: Small size, low cost, and versatility for basic embedded tasks.
- 2KB Flash memory
- 128B SRAM & 128B EEPROM
- 12 I/O pins (including 8-bit and 4-bit ports)
- 10-bit ADC, PWM, and hardware USI for SPI/I²C communication
- 1.8–5.5V operating voltage, making it suitable for battery-powered applications
- Up to 20MHz clock speed (with external oscillator)
Packaged in a 14-pin SOIC, it’s ideal for compact, cost-sensitive designs like sensors, wearables, or simple control systems. Its sleep modes enhance energy efficiency.
Programming is supported via SPI using tools like AVR ISP or Arduino (with cores like ATTinyCore).
Key strengths: Small size, low cost, and versatility for basic embedded tasks.
Equivalent
Equivalent products to the ATTINY24A-SSU include:
- ATTINY44A-SSU: Similar but with more flash (4KB) and I/O pins (12).
- ATTINY25V-10SSU: Lower voltage (1.8-5.5V), smaller flash (2KB), but same package.
- ATTINY84A-SSU: Higher flash (8KB) and I/O (12 pins).
- ATTINY261A-SSU: More flash (2KB) and I/O (18 pins).
All are 8-bit AVR microcontrollers in SSOP-14 package, offering comparable features. Choose based on required memory, I/O, or voltage range.
- ATTINY44A-SSU: Similar but with more flash (4KB) and I/O pins (12).
- ATTINY25V-10SSU: Lower voltage (1.8-5.5V), smaller flash (2KB), but same package.
- ATTINY84A-SSU: Higher flash (8KB) and I/O (12 pins).
- ATTINY261A-SSU: More flash (2KB) and I/O (18 pins).
All are 8-bit AVR microcontrollers in SSOP-14 package, offering comparable features. Choose based on required memory, I/O, or voltage range.
Features
The ATtiny24A-SSU is a low-power, 8-bit AVR microcontroller with:
- CPU: 8-bit AVR, up to 20 MHz clock speed.
- Memory: 2 KB Flash, 128 B SRAM, 128 B EEPROM.
- I/O Pins: 12 programmable I/O lines (6 in 14-pin SOIC package).
- Analog Features: 8-channel 10-bit ADC, analog comparator.
- Timers: Two 8-bit timers, one 16-bit timer with PWM.
- Communication: USI (Universal Serial Interface) for SPI/I²C.
- Power Efficiency: 1.8V–5.5V operation, multiple sleep modes.
- Package: 14-pin SOIC.
- Special Features: Internal oscillator, watchdog timer, debugWIRE.
Ideal for compact, low-power embedded applications.
- CPU: 8-bit AVR, up to 20 MHz clock speed.
- Memory: 2 KB Flash, 128 B SRAM, 128 B EEPROM.
- I/O Pins: 12 programmable I/O lines (6 in 14-pin SOIC package).
- Analog Features: 8-channel 10-bit ADC, analog comparator.
- Timers: Two 8-bit timers, one 16-bit timer with PWM.
- Communication: USI (Universal Serial Interface) for SPI/I²C.
- Power Efficiency: 1.8V–5.5V operation, multiple sleep modes.
- Package: 14-pin SOIC.
- Special Features: Internal oscillator, watchdog timer, debugWIRE.
Ideal for compact, low-power embedded applications.
Pinout
The ATTINY24A-SSU is a 14-pin microcontroller from Microchip's AVR family.
Pin Count: 14 (SOIC package)
Key Functions:
- 12 I/O Pins: 8 on Port B (PB0-PB7) and 4 on Port A (PA0-PA3).
- 10-bit ADC: 8 channels for analog input.
- PWM Outputs: 4 channels (2 x 8-bit, 2 x 16-bit).
- Serial Interface: USI (Universal Serial Interface) for SPI/I²C.
- Timers: 8-bit and 16-bit timers.
- Internal Oscillator: 8 MHz (calibrated).
- Voltage Range: 1.8V–5.5V.
Notable Pins:
- RESET (PB3): Active-low reset input.
- VCC/GND: Power supply (Pins 14 & 7).
- XTAL (PB6/PB7): External crystal oscillator (optional).
Compact and versatile, it suits low-power embedded applications.
Pin Count: 14 (SOIC package)
Key Functions:
- 12 I/O Pins: 8 on Port B (PB0-PB7) and 4 on Port A (PA0-PA3).
- 10-bit ADC: 8 channels for analog input.
- PWM Outputs: 4 channels (2 x 8-bit, 2 x 16-bit).
- Serial Interface: USI (Universal Serial Interface) for SPI/I²C.
- Timers: 8-bit and 16-bit timers.
- Internal Oscillator: 8 MHz (calibrated).
- Voltage Range: 1.8V–5.5V.
Notable Pins:
- RESET (PB3): Active-low reset input.
- VCC/GND: Power supply (Pins 14 & 7).
- XTAL (PB6/PB7): External crystal oscillator (optional).
Compact and versatile, it suits low-power embedded applications.
Application
The ATtiny24A-SSU is a low-power, compact 8-bit microcontroller ideal for cost-sensitive and space-constrained applications. Key areas include:
- Embedded Systems (sensors, actuators, simple control tasks)
- Consumer Electronics (remote controls, toys, small appliances)
- Industrial Automation (monitoring, basic motor control)
- IoT Devices (wearables, smart sensors)
- Automotive (non-critical functions like lighting or switches)
- Battery-Powered Devices (low-power operation extends battery life).
Its small size (SSOP-14 package), low cost, and efficient performance make it suitable for lightweight, resource-efficient designs.
- Embedded Systems (sensors, actuators, simple control tasks)
- Consumer Electronics (remote controls, toys, small appliances)
- Industrial Automation (monitoring, basic motor control)
- IoT Devices (wearables, smart sensors)
- Automotive (non-critical functions like lighting or switches)
- Battery-Powered Devices (low-power operation extends battery life).
Its small size (SSOP-14 package), low cost, and efficient performance make it suitable for lightweight, resource-efficient designs.
Package
The ATTINY24A-SSU comes in an SOIC-14 package. This surface-mount (SMD) package has 14 pins with a compact form factor, suitable for space-constrained applications. The "SSU" suffix indicates it's a Shrink Small Outline Package (SSOP), though SOIC and SSOP are sometimes used interchangeably. It's lead-free and RoHS-compliant.
