STM32F103R8T6 vs LPC1549JBD48QL Comparison
Detailed side-by-side comparison of STM32F103R8T6 by STMicroelectronics and LPC1549JBD48QL by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32F103R8T6 - 72MHz Cortex-M3, 64KB Flash MCU | STMicroelectronics
STM32F103R8T6 ✓ ActiveNXP Semiconductors
LPC1549JBD48QL - 72MHz Cortex-M3 MCU 256KB Flash | NXP Semiconductors
LPC1549JBD48QL ✓ ActiveSpecification Comparison
| Parameter | STM32F103R8T6 | LPC1549JBD48QL |
|---|---|---|
| Brand | STMicroelectronics | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.90 | $6.25 |
| Core Processor | ARM Cortex-M3 32-bit | — |
| Core Frequency | 72 MHz | — |
| Flash Memory | 64 KB (64K x 8) | 256 KB (256K x 8) |
| SRAM | 20 KB | 36 KB |
| Supply Voltage | 2.0 V to 3.6 V | — |
| GPIO Count | 51 I/O | — |
| ADC | 2 x 12-bit, 1 us conversion time, 16 channels | 2x 12-bit, 12-channel, 2 Msps |
| Timers | 3 x general-purpose 16-bit + 1 advanced PWM timer | — |
| USB | USB 2.0 full-speed device | — |
| CAN | 2.0B active | — |
| SPI | 2 x SPI | — |
| I2C | 2 x I2C | — |
| USART | 3 x USART | — |
| DMA Channels | 7 | — |
| Interrupts | 43 maskable interrupt channels via NVIC | — |
| Package | LQFP-64, 7 x 7 mm, 0.5 mm pitch | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | — |
| RoHS Status | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M3 |
| Core Bit Width | — | 32-bit |
| Maximum CPU Frequency | — | 72 MHz |
| Operating Voltage Range | — | 2.4 V to 3.6 V |
| Operating Temperature Range | — | -40C to +105C |
| ADC Resolution | — | 12-bit |
| ADC Sampling Rate | — | 2 Msps |
| Motor Control Peripherals | — | QEI, SCTimer/PWM, dual-motor support |
| Communication Interfaces | — | USB 2.0 FS, CAN 2.0B, I2C, USART, SPI |
| MSL Level | — | 2 (1 year) |
| Lead Free | — | Yes |