| Part Number | STM32L151CBT6ATR | STM32L151VBT6ATR |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Active | Active |
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 32MHz | 32MHz |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB | I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT | Cap Sense, DMA, I²S, POR, PWM, WDT |
| Number of I/O | 37 | 83 |
| Program Memory Size | 128KB (128K x 8) | 128KB (128K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | 4K x 8 | 4K x 8 |
| RAM Size | 32K x 8 | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.65V ~ 3.6V |
| Data Converters | A/D 16x12b; D/A 2x12b | A/D 24x12b; D/A 2x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 48-LQFP | 100-LQFP |
| Supplier Device Package | 48-LQFP (7x7) | 100-LQFP (14x14) |