STMicroelectronics STM8L101F3U6TR Microcontrollers
8-bit MCU, 8KB Flash, 16MHz, 1.5KB RAM, UFQFPN, 18 I/O

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
STM8L101F3U6TR
Detailed Description
8-bit MCU, 8KB Flash, 16MHz, 1.5KB RAM, UFQFPN, 18 I/O
Package
20-UFQFPN (3x3)
Lifecycle Status
Active
Datasheet
STM8L101F3U6TR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics STM8L101F3U6TR Microcontrollers technical specifications.
General
Series
STM8L EnergyLite
RAM Size
1.5K x 8
Package / Case
20-UFQFN
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.65V ~ 3.6V
Lifecycle Status
Active
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
EEPROM Size
2K x 8
Alternate Parts Comparison (STM8L101F3U6TR vs STM32F103RCT6 vs STM32F103C8T6 vs STM32F103CBT6)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-UFQFN | 64-LQFP | 48-LQFP | 48-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.65V ~ 3.6V | 3.3 V | 3.3 V | 3.3 V |
| Memory Size | -- | 256 kB | 64 kB | 128 kB |
| Interface | -- | CAN, IrDA, LIN, USB | CAN, USB | CAN, USB |
| Data Bus Width | -- | 32 b | 32 b | 32 b |
| Number of Pins | -- | 64 | 48 | 48 |
| Core Processor | STM8 | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | 8-Bit | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 1.5K x 8 | 48 kB | 20 kB | 20 kB |
| GPIO | -- | 51 | 37 | 37 |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.

