Atmel 8-bit Microcontroller 2KB Flash 24MHz 20-Pin SOIC
Atmel 8-bit microcontroller with 2KB ISP Flash, 24 MHz operation and 20-pin SOIC package. MCS-51 compatible for embedded control applications.
The Atmel 8-bit Microcontroller is a low-voltage, high-performance CMOS device with 2KB of In-System Programmable (ISP) Flash memory, offering a compact core for embedded control designs.
The microcontroller combines an 8-bit CPU with on-board Flash memory and is fully compatible with the industry-standard MCS-51 instruction set. Its static logic design allows operation down to zero frequency, and it supports two software-selectable power-saving modes to maximise energy efficiency.
Key Features
- 8-bit CPU core with 2KB of ISP Flash program memory and 256 x 8-bit internal RAM
- Maximum operating frequency of 24 MHz with fully static operation
- 15 programmable I/O lines with direct LED drive outputs
- Two 16-bit timers/counters and a programmable serial UART channel
- On-chip analog comparator with selectable interrupt
- 8-bit PWM (Pulse-Width Modulation) channel
- Four-level enhanced interrupt controller
- Enhanced UART with framing error detection and automatic address recognition
- SPI interface for serial communication
- Brownout reset, internal power-on reset, power-off flag, and interrupt recovery from power-down mode
Power-Saving Modes
The Idle mode halts the CPU while allowing the RAM, timers, serial port, and interrupt system to remain active. The Power-down mode preserves RAM contents while freezing all other chip functions until the next external interrupt or hardware reset. This makes the device well suited to battery-powered or low-energy applications.
Dimensions and Weight
Width: 3.3, Depth: 1.5, Height: 4.3. Weight: 0.2 gm.
Choose the Atmel 8-bit Microcontroller for embedded control projects that require a compact, flash-based microcontroller with 24 MHz operation and a 20-pin SOIC package.
- Embedded control applications
- Battery-powered applications
- Low-energy applications
- Core: 8-bit CPU
- Flash Memory: 2KB ISP (In-System Programmable) Flash program memory
- RAM: 256 x 8-bit internal RAM
- Maximum Frequency: 24 MHz
- Operation: Fully static, operates down to zero frequency
- I/O Lines: 15 programmable lines with direct LED drive outputs
- Timers/Counters: Two 16-bit
- Serial Interface: Programmable UART with framing error detection and automatic address recognition
- Communication: SPI interface
- Interrupt Controller: Four-level enhanced interrupt controller
- Analog Comparator: On-chip with selectable interrupt
- PWM: 8-bit Pulse-Width Modulation channel
- Instruction Set: MCS-51 compatible
- Technology: Low-voltage CMOS
- Power-Saving Modes: Idle mode and Power-down mode
- Reliability Features: Brownout reset, internal power-on reset, power-off flag
- Package: 20-pin SOIC
- Width: 3.3
- Depth: 1.5
- Height: 4.3
- Weight: 0.2 gm
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