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| PartNumber | STM8L151G4U6 | STM8L151G4U3 | STM8L151G4 |
| Description | 8-bit Microcontrollers - MCU 8BIT Ultralow MCU 16KB Flash 2KB RAM | 8-bit Microcontrollers - MCU Ultra LP ARM 8-Bit 1.8V to 3.6V 32kB | |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | UFQFPN-28 | - | - |
| Series | STM8L151G4 | STM8L151G4 | STM8L EnergyLite |
| Core | STM8 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 16 MHz | - | - |
| Program Memory Size | 16 kB | - | 16KB (16K x 8) |
| Data RAM Size | 2 kB | - | - |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 26 I/O | - | - |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | Tray |
| Program Memory Type | Flash | - | FLASH |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Data RAM Type | RAM | - | - |
| Data ROM Size | 1 kB | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | I2C, SPI, USART | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 18 | - | - |
| Number of Timers/Counters | 4 Timer | - | - |
| Processor Series | STM8L | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 2940 | 2940 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 1.8 V | - | - |
| Unit Weight | 0.000813 oz | - | - |
| Package Case | - | - | 28-UFQFN |
| Operating Temperature | - | - | -40°C ~ 125°C (TA) |
| Supplier Device Package | - | - | 28-UFQFPN |
| Number of I O | - | - | 26 |
| Speed | - | - | 16MHz |
| EEPROM Size | - | - | 1K x 8 |
| Core Processor | - | - | STM8 |
| RAM Size | - | - | 2K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, IR, POR, PWM, WDT |
| Connectivity | - | - | I2C, IrDA, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 1.8 V ~ 3.6 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | A/D 18x12b, D/A 1x12 |
| Oscillator Type | - | - | Internal |