Enplas IC Test & Burn-in Socket with a simple board, specifically designed for STM8 microcontroller in TSSOP20(0.65mm pitch) package
Features
- 4-pin SWIM Port for programming or testing
- External crystal can be connected via on board socket for system clock
- All the MCU pins are accessible on expansion connectors
- pin header pitch: 2.54mm(100mil)
Supported Devices
STM8 microcontroller in TSSOP20(0.65mm pitch) package with compatible pinouts:
- STM8L051FxPx / STM8L101FxPx / STM8L151FxPx / STM8S003FxPx
- STM8S103FxPx / STM8S903FxPx / STM8SPLNB1
Photos

- SWIM port
- for programming/debugging/testing
- compatible with ST-LINK
- Power indicator
- Pin headers connected to MCU pins
- clearly labeled with onboard marks
- easy for testing and further expansion
- 3.3V onboard regulator
- 5V power input
- External crystal socket
- insert crystal to the holes on two sides, regardless of the middle hole
- MCU selection jumpers
- 8S for STM8S1xx
- 8L for STM8L1xx
Outline and Dimensions
Unit: mm
Part Number | Pitch | Pins | Applicable IC Dimensions (REF.) | Outside Dimensions (REF.) |
A | B | C | D | E | F | G | H |
OTS-20(28)-0.65-01 |
0.65 |
20 |
6.4±0.05 |
4.4±0.05 |
5.2 |
- |
20.2 |
17.6 |
17.5 |
3 |
 |
SWIM Port Header Pinout
The STM8-TSSOP20 houses SWIM headers for connecting a programmer. The header pinouts are shown in the figure 1 below.
Figure 1. SWIM header pinout
Downloads
Development resources:schematic, etc.
Wiki:
www.waveshare.com/wiki/STM8-TSSOP20