STM32F051K8T6 vs STM32F042K6T6 Comparison
Detailed side-by-side comparison of STM32F051K8T6 by STMicroelectronics and STM32F042K6T6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32F051K8T6 - 48MHz Cortex-M0 MCU 64KB Flash | STMicroelectronics
STM32F051K8T6 ✓ ActiveSTMicroelectronics
STM32F042K6T6 - 48MHz Cortex-M0 MCU 32KB Flash USB | STMicroelectronics
STM32F042K6T6 ✓ ActiveSpecification Comparison
| Parameter | STM32F051K8T6 | STM32F042K6T6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.42 | $1.84 |
| Core | ARM Cortex-M0 32-bit RISC | — |
| Maximum Clock Frequency | 48 MHz | 48 MHz |
| Flash Memory | 64 KB | — |
| SRAM | 8 KB | 6 KB |
| Supply Voltage | 2.0 V to 3.6 V | — |
| Operating Temperature | -40C to +85C (T6 grade) | — |
| Package | 32-pin LQFP (7x7 mm) | 32-LQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of I/O | 27 (per LQFP-32 pinout) | — |
| ADC | 12-bit, 1 MSPS, up to 16 channels | 12-bit, up to 13 channels, 1 Msps |
| Timers | 16-bit / 32-bit timer array (8 total) | 2x 16-bit, 1x 32-bit, 1x SysTick, 1x WDG, 1x IWDG |
| Communication Interfaces | 1x I2C, 2x SPI/I2S, 3x USART, USB 2.0 FS | USB, CAN, 2x I2C, 2x SPI, 2x USART, HDMI CEC |
| DMA | 7-channel DMA controller | — |
| RTC | Yes, with calibration | — |
| Watchdog | 2x (independent + window) | — |
| MSL Level | 3 (168 hours) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0 (32-bit RISC) |
| Program Memory (Flash) | — | 32 KB |
| Operating Voltage Range | — | 2.0 V to 3.6 V |
| Pin Count | — | 32 |
| USB Interface | — | USB 2.0 Full-Speed Device with on-chip PHY |
| CAN Interface | — | CAN 2.0B (bxCAN) |
| Operating Temperature Range | — | -40 C to +85 C |
| Lead-Free | — | Yes |