vcc-gnd.com Green Pill
STM32L011D4P6
Board
| Name | vcc-gnd.com Green Pill |
| Part | Unknown |
| Brand | vcc-gnd |
| Origin | China |
Microcontroller
| Part | STM32L011D4P6 |
| Manufacturer | ST-Microelectronics |
| Core | Arm Cortex-M0+ |
| Max. Clock Speed | 32MHz |
| Package | TSSOP 14 pins |
Internal memories
| FLASH | 8KiB |
| SRAM | 2KiB |
Oscillators
| HSI | 16MHz |
| LSI | 38kHz |
| HSE | None |
| LSE | 32.768kHz |
Power
| Sources | Any +3.3V pin (+3.3V) Any +5V pin (+5V) |
| VDDA pin | No |
| VSSA pin | No |
| VREF- pin | No |
| VREF+ pin | No |
| Backup battery | Pin |
Regulator
| Manufacturer | Nanjing Micro One Electronics Inc. |
| Part | ME6211 (S2QA / S2QC / S2QK / S2RD) |
| Package | SOT23-5 5 pins |
| Input | +2V to +6V |
| Output | +3.3V @ 180mA |
| Datasheet | ME6211.pdf |
PCB
| Color | Green |
| Size (w x l) | 18mm x 39mm |
| Mounting | Breadboard |
Remarks
- Note: This board has two bits that can be broken off the main board. These bits can be connected to the board via the white connectors. When not separated from the board, the pin headers on these bits are electrically connected.
Pictures
Outputs
Connectors
Devices
None
Inputs & outputs
Reset button
| Name | RST |
| Reference | - |
| Type | Button |
| Connected to | NRST |
| Mode | Active low |
Power source switch
| Name | - |
| Reference | - |
| Type | Switch |
| Connected to | +3.3V rail or battery |
| Mode | N.A. |
User LED solder bridge
| Name | - |
| Reference | SB1 |
| Type | Solder bridge |
| Connected to | PA4 to User LED |
| Mode | N.A. |
VDD solder bridge
| Name | - |
| Reference | SB2 |
| Type | Solder bridge |
| Connected to | VDD to +3.3V rail |
| Mode | N.A. |
VDD jumper
| Name | - |
| Reference | - |
| Type | 1-way jumper |
| Connected to | VDD to +3.3V rail |
| Mode | N.A. |
User LED
| Name | - |
| Reference | - |
| Type | LED |
| Connected to | PA4 |
| Mode | N.A. |
Connectors & headers
Header 1 properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 9x1, male) |
Header 1 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | A7 | - | PA7 |
| 2 | A9 | - | PA9 |
| 3 | A10 | - | PA10 |
| 4 | A13 | - | PA13 |
| 5 | A14 | - | PA14 |
| 6 | GND | - | Ground plane |
| 7 | 3V3 | - | +3.3V rail |
| 8 | 5V | - | +5V rail |
| 9 | BAT | - | VBAT |
Header 2 properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 9x1, male) |
Header 2 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 3V | - | +3.3V rail |
| 2 | B9 | - | PB9 |
| 3 | C14 | - | PC14 |
| 4 | C15 | - | PC15 |
| 5 | RST | - | NRST |
| 6 | A0 | - | PA0 |
| 7 | A1 | - | PA1 |
| 8 | A4 | - | PA4 |
| 9 | GND | - | Ground plane |
Battery header properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 4x1, male) |
Battery header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | GND- | - | Ground plane |
| 2 | VBAT+ | - | Power selection switch |
SWD header properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 4x1, male) |
SWD header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | VDD(MCU) | VCC | VDD |
| 2 | SWDIO | SWDIO | PA13 |
| 3 | SWCLK | SWCLK | PA14 |
| 4 | GND | GND | Ground rail |



