STM8

1 替代方案

武汉瑞纳捷 RJM8L151

• RJM8L151C6T6Y: LQFP48 (7x7mm), 4KB RAM, 32KB Flash
• RJM8L151C8T6Y: LQFP48 (7x7mm), 8KB RAM, 64KB Flash
• RJM8L151K6Q6Y: QFN32 (4x4mm), 4KB RAM, 32KB Flash
• RJM8L151K8Q6Y: QFN32 (4x4mm), 8KB RAM, 64KB Flash

2 STM8S105K6

• 2 KB RAM (0x0000 ~ 0x7FF, including 512B stack)
• 1 KB EEPROM (0x4000 ~ 0x43FF)
• 32 KB Flash (0x8080 ~ 0xFFFF)
  • (16KB of STM8S105K4)

• 16 MHz advanced STM8 core

• 10-bit, ±1 LSB ADC with up to 10 multiplexed channels ADC
• UART with clock output for SmartCard, IrDA, LIN master mode
• SPI interface up to 8 Mbit/s
• I2C interface up to 400 kbit/s
• Up to 38 I/Os on a 48-pin package

• 96-bit unique key for each device
• 2.95 to 5.5 V operating voltage

STM8S105K6 Datasheet

3 Arduino Like PinMap

    PD6, //D0  RX
    PD5, //D1  TX
    PD4, //D2
    PD3, //D3
    PD2, //D4
    PD1, //D5
    PD0, //D6

    PD7, //D7

    PE5, //D8  SPI_CS

    PC7, //D9  SPI_MISO
    PC6, //D10 SPI_MOSI
    PC5, //D11 SPI_SCK
    PC4, //D12  PWM
    PC3, //D13  PWM
    PC2, //D14  PWM
    PC1, //D15  PWM

    PB0, //D16 A0
    PB1, //D17 A1
    PB2, //D18 A2
    PB3, //D19 A3
    PB4, //D20 A4 I2C_SCL
    PB5, //D21 A5 I2C_SDA

    PF4, //D22 A6

4 STM8S208RB

> STM8S208RB Datasheet

• 6KB RAM (0x0000 ~ 0x17FF, including 1024B stack)
• 2KB EEPROM (0x4000 ~ 0x47FF)
• 128KB Flash (0x8080 ~ 0x2 7FFF)

• 16MHz clock

5 STM8L152R8

> STM8L152R8 Datasheet

• 4KB RAM (0x0000 ~ 0x0FFF, including 513B stack)
• 2KB EEPROM (0x1000 ~ 0x1FFF)
• 64KB Flash (0x8080 ~ 0x1 7FFF)

• 16MHz clock

• SPI x2
• I2C x1
• UART x3

6 Toolchain

6.1 STM8Tools

• https://github.com/tenbaht/sduino/releases/download/v0.3.3/sduino-tools_linux32-2017.11.13.tar.bz2
• https://github.com/tenbaht/sduino/releases/download/v0.3.3/sduino-tools_linux64-2017.11.13.tar.bz2
• https://github.com/tenbaht/sduino/releases/download/v0.3.3/sduino-tools_macosx-2017.11.13.tar.bz2
• https://github.com/tenbaht/sduino/releases/download/v0.3.3/sduino-tools_mingw32-2017.11.13.tar.bz2

6.2 SDCC

• https://github.com/tenbaht/sduino/releases/download/v0.3.0/sdcc-stm8-amd64-unknown-linux2.5-20171020-10088.tar.bz2
• https://github.com/tenbaht/sduino/releases/download/v0.3.0/sdcc-stm8-i386-unknown-linux2.5-20171020-10088.tar.bz2
• https://github.com/tenbaht/sduino/releases/download/v0.3.0/sdcc-stm8-i586-mingw32msvc-20171020-10088.tar.bz2
• https://github.com/tenbaht/sduino/releases/download/v0.3.3/sdcc-stm8-universal-apple-macosx-20170720-9960.tar.bz2

6.3 i686-mingw32

• https://github.com/stm32duino/BoardManagerFiles/raw/master/STM8/tools/STM8Tools-0.1.0-windows.tar.bz2
• http://cosmicsoftware.com/Arduino/4.1.3/Cxppstm8.zip

6.4 Github

• https://github.com/tenbaht/sduino
• https://github.com/tenbaht/sduino/raw/master/package_sduino_stm8_index.json
• https://github.com/stm32duino/Arduino_Core_STM8
• https://github.com/stm32duino/BoardManagerFiles/raw/master/STM8/package_stm8_index.json

7 Upload

The STM8 SWIM protocol (STLink) is well documented in UM0470

$ tools/stm8flash/stm8flash.exe -c stlinkv2 -p stm8s105k4 -s flash -w /c/Users/Jack/AppData/Local/Temp/arduino_build_893847/AnalogReadSerial.ino.hex
Determine FLASH area
Writing Intel hex file 7862 bytes at 0x8000... OK
Bytes written: 7862

7.1 Hardware

• https://github.com/rumpeltux/esp-stlink
• https://tenbaht.github.io/sduino/hardware/flashtool/

7.2 Connections

• The RST is connected to ESP8266 GPIO5 (D1 on NodeMCU).
• The SWIM is connected to ESP8266 GPIO4 (D2 on NodeMCU) via a 1kΩ pull-up resistor
• 3.3V --- VCC_3.3V
• GND --- GND

7.3 Software

• https://github.com/rumpeltux/stm8flash

9 Reference

• https://www.st.com/en/evaluation-tools/nucleo-8s208rb.html