ST NUCLEO-8S207K8 Manual de usuario

Introduction

The NUCLEO-8S207K8 STM8 Nucleo-32 board featuring the STM8S207K8T6C STM8 8-bit MCU provides an affordable and

flexible way for users to try out new concepts and build prototypes with STM8S Series microcontrollers in LQFP32 package,

choosing from the various combinations of performance, power consumption, and features. The ARDUINO® Nano connectivity

support makes it easy to expand the functionality of the Nucleo-32 open development platform with a wide choice of specialized

shields. The STM8 Nucleo-32 board does not require any separate probe as it integrates the ST-LINK/V2-1 debugger/

programmer and comes with the STM8 standard peripheral library, together with various packaged software examples.

Figure 1. NUCLEO-8S207K8 top view Figure 2. NUCLEO-8S207K8 bottom view

Pictures are not contractual.

STM8 Nucleo-32 board (MB1442)

UM2391

User manual

UM2391 - Rev 1 - November 2019

For further information contact your local STMicroelectronics sales office.

www.st.com

1Features

• STM8 microcontroller in LQFP32 32-pin package

• 4 LEDs:

– USB communication (LD1)

– Power (LD2)

– User (LD3)

– Default (LD4)

• 1 reset push-button

• Board connectors:

–ARDUINO® Nano V3 expansion connector

– Micro-B USB connector for the ST-LINK

– SWIM interface

• Flexible power-supply options: ST-LINK USB VBUS or external sources (3.3 V, 5 V, 7 V – 12 V)

• On-board ST-LINK/V2-1 debugger/programmer with SWIM connector and USB re-enumeration capability:

mass storage, Virtual COM port and debug port

• Comprehensive free software STM8 libraries including a variety of software examples

• Support of a wide choice of Integrated Development Environments (IDEs) including STMicroelectronics free

STVD-STM8 (using Cosmic toolchain), IAR™, Cosmic free IDEA

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Features

UM2391 - Rev 1 page 2/25

2Ordering information

To order the STM8 Nucleo-32 board, refer to Table 1. Additional information is available from the datasheet and

reference manual of the target STM32.

Table 1. Ordering information

Order code Board reference Target STM32

NUCLEO-8S207K8 MB1442 STM8S207K8T6C

2.1 Product marking

Evaluation tools marked as “ES” or “E” are not yet qualified and therefore not ready to be used as reference

design or in production. Any consequences deriving from such usage will not be at ST charge. In no event, ST will

be liable for any customer usage of these engineering sample tools as reference designs or in production.

“E” or “ES” marking examples of location:

• On the targeted STM8 that is soldered on the board (for illustration of STM8 marking, refer to the STM8

datasheet “Package information” paragraph at the www.st.com website).

• Next to the evaluation tool ordering part number that is stuck or silk-screen printed on the board.

2.2 Codification

The meaning of the codification is explained in Table 2.

Table 2. Codification explanation

NUCLEO-XXYYYKT Description Example: NUCLEO-8S207K8

XX MCU series in STM8 8-bit MCUs STM8S Series

YYY MCU product line in the series STM8S207

K STM8 package pin count 32 pins

STM8 Flash memory size:

• 3 for 256 bytes

• 4 for 16 Kbytes

• 6 for 32 Kbytes

• 8 for 64 Kbytes

• B for 128 Kbytes

64 Kbytes

The order code is mentioned on a sticker placed on the top side of the board.

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Ordering information

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3Development environment

3.1 System requirements

• Windows® OS (7, 8 and 10)

• USB Type-A to Micro-B cable

3.2 Development toolchains

• STMicroelectronics: free STVD-STM8 (using Cosmic toolchain)

• IAR™: IAR-EWSTM8

• Cosmic: free IDEA

3.3 Demonstration software

The demonstration software is preloaded in the STM8 Flash memory for easy demonstration of the device

peripherals in standalone mode. The latest versions of the demonstration source code and associated

documentation can be downloaded from the demonstration resource section of the STM8 Nucleo board webpage

at www.st.com.

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Development environment

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4Conventions

Table 3 provides the conventions used for the ON and OFF settings in the present document.

Table 3. ON/OFF convention

Convention Definition

Jumper JPx ON Jumper fitted

Jumper JPx OFF Jumper not fitted

Jumper JPx [1-2] Jumper should be fitted between Pin 1 and Pin 2

Solder bridge SBx ON SBx connections closed by 0 Ω resistor

Solder bridge SBx OFF SBx connections left open

Resistor Rx ON Resistor soldered

Resistor Rx OFF Resistor not soldered

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Conventions

UM2391 - Rev 1 page 5/25

5Quick start

The NUCLEO-8S207K8 STM8 Nucleo-32 board featuring the STM8S207K8T6C STM8 8-bit MCU provides an

affordable and flexible way for users to try out new concepts and build prototypes with an STM8S Series

microcontroller in an LQFP32 package.

Before installing and using the product, accept the Evaluation Product License Agreement from the www.st.com/

epla webpage.

For more information on the STM8 Nucleo-32 board and to access demonstration software, visit the www.st.com

webpage.

5.1 Getting started

1. Check jumper position onboard: JP1 (VDD) on [1-2] or [2-3] position.

2. Connect the STM8 Nucleo board to a PC with a Type-A to Micro-B USB cable through the USB connector

CN1 to power the board. Then LED LD1 (COM) and red LED LD2 (PWR) light up, the green LED LD3

blinks.

3. Remove the jumper placed between D2 (CN3 pin 5) and GND (CN3 pin 4).

4. Observe how the blinking of green LED LD3 changes when the jumper is in place or removed.

5. Download the demonstration software and several examples that help to use the STM8 Nucleo features.

These are available at the NUCLEO-8S207K8 product webpage.

6. Develop your own applications using the provided examples.

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Quick start

UM2391 - Rev 1 page 6/25

6Hardware layout and configuration

The STM8 Nucleo-32 board is designed around an STM8S Series microcontroller in an LQFP32 package.

Figure 3 shows the connections between the STM8 and its peripherals (ST-LINK/V2-1, push-button, LED, and

ARDUINO® Nano V3 expansion connector).

Figure 4 and Figure 5 show the location of these features on the STM8 Nucleo-32 board.

The mechanical dimensions of the board are shown in Figure 6.

Figure 3. Hardware block diagram

Embedded

ST-LINK/V2-1

STM8

Microcontroller

RESET

Micro

USB

IO IO

RST

ARDUINO®

Nano connector

LED

LD3

ARDUINO®

Nano connector

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Hardware layout and configuration

UM2391 - Rev 1 page 7/25

6.1 STM8 Nucleo-32 board layout

Figure 4. STM8 Nucleo-32 board top layout

Reset button

SB5

connects

OSCIN / PA1 to MCO

STM8

microcontroller

3V3 regulator

CN2

ST-LINK SWD

connector (reserved)

CN1

ST-LINK Micro-B

USB connector

LD3

Green LED

LD1

(Red/Green LED)

COM

SB8

connects

STM8 pin PD7 to TLI

SB4

connects

VCP RX to ST-LINK

SB3

connects

VCP TX to ST-LINK

LD2

Red LED Power

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STM8 Nucleo-32 board layout

UM2391 - Rev 1 page 8/25

Figure 5. STM8 Nucleo-32 board bottom layout

JP1

VDD select

SB2

RST mode of STM8

SB1

Power configuration

LD4

Default LED

CN4

ARDUINO®

Nano connector

CN3

ARDUINO®

Nano connector

5V regulator

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STM8 Nucleo-32 board layout

UM2391 - Rev 1 page 9/25

6.2 Mechanical drawing

Figure 6. STM8 Nucleo-32 board mechanical drawing (in millimeter)

5.84 mm

1.65 mm

15.24 mm

50.29 mm

18.54 mm

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Mechanical drawing

UM2391 - Rev 1 page 10/25

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