STM8S105K4T6 vs ATMEGA328P-AU Comparison
Detailed side-by-side comparison of STM8S105K4T6 by STMicroelectronics and ATMEGA328P-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM8S105K4T6
STM8S105K4T6 - 8-bit MCU, 16KB Flash, 16MHz | STMicroelectronics
STM8S105K4T6 β ActiveMicrochip Technology
ATMEGA328P-AU
ATMEGA328P-AU - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328P-AU β ActiveSpecification Comparison
| Parameter | STM8S105K4T6 | ATMEGA328P-AU |
|---|---|---|
| Brand | STMicroelectronics | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.26 | $1.90 |
| Core Processor | STM8 8-bit CISC | β |
| Core Size | 8-bit | β |
| Maximum Clock Frequency | 16 MHz | β |
| Program Memory Size | 16 KB (16K x 8) Flash | β |
| Data EEPROM | 1 KB (true data EEPROM, 300k cycles) | β |
| RAM Size | [DATA_NEEDED: RAM size] | β |
| Supply Voltage Range | 2.95 V to 5.5 V | β |
| ADC Resolution | 10-bit, up to 7 channels | β |
| Timers | 1x 16-bit advanced, 2x 16-bit general purpose, 1x basic | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | UART, SPI, I2C | β |
| Debug Interface | SWIM (Single Wire Interface Module) | β |
| Operating Temperature | -40C to +85C | -40C to +85C |
| Package | LQFP-32 (7x7 mm) | TQFP-32 (7x7 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Performance | Up to 16 MIPS at 16 MHz | β |
| Low Power Modes | Active-halt, Halt | β |
| RoHS Status | Compliant | Compliant |
| Core | β | AVR 8-bit RISC |
| Max Clock Frequency | β | 20 MHz |
| Flash Memory | β | 32 KB |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Operating Voltage | β | 1.8 V to 5.5 V |
| I/O Lines | β | 23 |
| PWM Channels | β | 6 |
| ADC | β | 8-channel, 10-bit |
| Serial Interfaces | β | USART, SPI, I2C |
| Power-down Current | β | 0.2 uA typical |
| Programming | β | ISP via SPI, debugWIRE |