
- Manufacturer
- MFR.Part #
- STM32L021D4P7D
- JLCPCB Part #
- C3237203
- Package
- TSSOP-14
- Description
- -40℃~+105℃ 1.65V~3.6V 11 12bit 16KB 2KB 32 Bit 32MHz 512Byte ARM Cortex-M0+ Built-in FLASH TSSOP-14 Microcontrollers (MCU/MPU/SOC) ROHS
- EasyEDA Libraries
- ECCN
- 5A992C
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | STMicroelectronics | |
| Package | TSSOP-14 | |
| EEPROM | 512Byte | |
| Operating Temperature | -40℃~+105℃ | |
| CPU Maximum Speed | 32MHz | |
| Program Memory Type | FLASH | |
| Program Storage Size | 16KB | |
| Voltage - Supply | 1.65V~3.6V | |
| RAM Size | 2KB | |
| Core Size | 32 Bit | |
| CPU Core | ARM Cortex-M0+ | |
| Number of I/O | 11 | |
| ADC (Bit) | 12bit | |
| Oscillator Type | Built-in |

* Images are for reference only
STM32L021D4P7D
Extended- Manufacturer
- MFR.Part #
- STM32L021D4P7D
- JLCPCB Part #
- C3237203
- Package
- TSSOP-14
- Description
- -40℃~+105℃ 1.65V~3.6V 11 12bit 16KB 2KB 32 Bit 32MHz 512Byte ARM Cortex-M0+ Built-in FLASH TSSOP-14 Microcontrollers (MCU/MPU/SOC) ROHS
- EasyEDA Libraries
- ECCN
- 5A992C
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
- Manufacturer
- MFR.Part #
- STM32L021D4P7D
- JLCPCB Part #
- C3237203
- Package
- TSSOP-14
- Description
- -40℃~+105℃ 1.65V~3.6V 11 12bit 16KB 2KB 32 Bit 32MHz 512Byte ARM Cortex-M0+ Built-in FLASH TSSOP-14 Microcontrollers (MCU/MPU/SOC) ROHS
- EasyEDA Libraries
- ECCN
- 5A992C
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 3
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
STM32L021D4P7D Specifications
STM32L021D4P7D technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Embedded Processors & Controllers/Microcontrollers (MCU/MPU/SOC) | |
| Manufacturer | STMicroelectronics | |
| Package | TSSOP-14 | |
| EEPROM | 512Byte | |
| Operating Temperature | -40℃~+105℃ | |
| CPU Maximum Speed | 32MHz | |
| Program Memory Type | FLASH | |
| Program Storage Size | 16KB | |
| Voltage - Supply | 1.65V~3.6V | |
| RAM Size | 2KB | |
| Core Size | 32 Bit | |
| CPU Core | ARM Cortex-M0+ | |
| Number of I/O | 11 | |
| ADC (Bit) | 12bit | |
| Oscillator Type | Built-in |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the STM32L021D4P7D. Sign up to receive and start your assembly today →
- 1
Step 1 - Pre-order the parts you need from JLCPCB.
- 2
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
- 3
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

STM32L021D4P7D Documents
STM32L021D4P7D datasheets or manufacturer documentation.
Datasheet: STM32L021D4P7D Datasheet (PDF)
STM32L021D4P7D Schematic Symbol & PCB Footprint
The STM32L021D4P7D schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.