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UM0671 User manual
STM8/128-EV/TS STM8S touch sensing evaluation board
Introduction
The STM8S touch sensing evaluation kit (STM8/128-EV/TS) provides a platform that introduces users to STMicroelectronics capacitive touch sensing firmware library. The kit contains an STM8S touch sensing (TS) evaluation daughterboard (STM8Sxxx-TS1) in addition to the STM8/128-EVAL board. The STM8S touch sensing evaluation daughterboard provides an evaluation platform for resistor-capacitor (RC) touch sensing technology for an implementation using 5 keys and one slider. The STM8S TS evaluation kit provides a software solution for transforming any 8-bit STM8 microcontroller (MCU) into a capacitive touchkey controller. For further details about the touch sensing software library, please read the technical documentation available on www.st.com/touch-sense-sw-lib. Figure 1. STM8S touch sensing evaluation kit
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Contents
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Contents
1 2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Getting started with the touch sensing evaluation kit . . . . . . . . . . . . . . 4
2.1 2.2 2.3 Evaluation kit contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Using the evaluation kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 User interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
Evaluation kit board settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 STM8S touch sensing daughterboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1.1 3.1.2 3.1.3 3.1.4 3.1.5 3.1.6 Dielectric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Daughterboard MCU pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Daughterboard power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SWIM connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Analysis connectors (J2 and J3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 External supply and communication . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2
STM8S2xx evaluation motherboard settings . . . . . . . . . . . . . . . . . . . . . . 13
4
Advanced evaluation using a debugging environment . . . . . . . . . . . . 15
4.1 4.2 4.3 Running the evaluation firmware in debug mode . . . . . . . . . . . . . . . . . . . 15 Entering debug mode using RLink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Exploring key structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Appendix A STM8Sxxx-TS1 daughterboard schematics . . . . . . . . . . . . . . . . . . 21 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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Overview
1
Overview
This solution enables designers, comfortable with the use of standard microcontrollers, to create higher-end "look and feel" user interfaces by replacing conventional electromechanical switches with touch sensing controls. Designers can combine touch sensing functions with traditional MCU features (communication, LED control, beeper, LCD control, etc.). The touch sensing firmware library is part of the application firmware. Maturity, robustness, flexibility and performance make this solution simple to implement with a low "time to market" period making it easy to develop all types of applications including mobile phones, cooking appliances and printers only to name a few. The STM8S TS evaluation kit comes pre-programmed with evaluation firmware that manages 5 touch keys and one slider all available on the touch sensing daughterboard. Using this kit, the user can easily evaluate the touch sensing software features and performances by monitoring sensing parameters using an LCD display interface. In development mode, designers are able to debug, modify, adapt or integrate the touch sensing library in application firmware using a USB debugging and programming tools:

Raisonance RLink debugger/programmer for ST microcontrollers STice in-circuit emulation system ST MCU Toolset with ST Visual Develop (STVD) IDE and ST Visual Programmer (STVP) programming interface
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Getting started with the touch sensing evaluation kit
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2.1
Getting started with the touch sensing evaluation kit
Evaluation kit contents
The STM8S touch sensing evaluation kit (STM8/128-EV/TS) contains:

STM8S touch sensing evaluation daughterboard (STM8Sxxx-TS1) STM8/128-EVAL board AC/DC power supply and its AC adaptors MCU selection guide User manual (this document)
IMPORTANT: The STM8 TS library, STM8 Toolset, STM8S firmware library and related documentation are available at www.st.com/touch-sense-sw-lib
2.2
Using the evaluation kit
After connecting the motherboard to the mains supply, the evaluation kit is ready for use. Just use the joystick to navigate through the menu options as described in Section 2.3: User interface. The evaluation firmware enables the user to quickly evaluate the main features of the touch sensing library. Figure 2. TS evaluation kit assembly
Daughterboard Motherboard
Pre-programmed STM8S sample
SWIM connector
Exit sub-menu
Scroll left
Scroll right
Enter sub-menu
Power supply
LCD display Joystick
Reset
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Getting started with the touch sensing evaluation kit
2.3
User interface
The joystick is the main user interface used to display keys values and state or to modify the main touch sensing library parameters: de-bounce filter, detection time-out, low power mode, DES setting, etc.
Note: Figure 3.
**Menu** Help push down (1)
The 5 touch sensing keys are also for navigating through the touch sensing menu. Navigation scheme
**Menu** Key info **Menu** Detect TIMEOUT **Menu** De-bounce Filter **Menu** Low Power Mode **Menu** DES Setting **Menu** About
Menu entry point
Exit sub-menu
Scroll left
Scroll right
Detect TIMEOUT 00 sec 1 De-bounce Filter 3 2 Low Power Mode 128 mSec 3 DES Setting Disable 4
Enter sub-menu
Parameter setting sub-menus
STM8S Touch Eval Vx.x.x **Menu** Select slider
**Menu** Sel Key summary
**Menu** Select Key X
K1 K2 K3 K4 K5 Slider Bar: = = = = = = = = 1
STATE Key X Idle or Detected 2
KeyX Sig=0x0184 KeyX Ref=0x015E 3
Noise rejection Counter KeyX 0000 4 Counter RESET
Slider STATE Idle or Detected 5 S Resolution x bits 7 < Resolution < x bits
S Sig=0x92 S Pos=0x09 6
Display sub-menus
Decrement Resolution
Increment Resolution
1. After power on, to quickly display the key and slider states (display option 1), move the joystick once to the right ( and ) twice towards the bottom ( ).
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Display options
Use the joystick to navigate through the sub-menus as shown in Figure 3 to do the following: 1. 2. 3. 4. 5. 6. 7. Display the state of keys (K1, K2, K3, K4 and K5) and slider on the same screen. Display only the state of the selected key (Kx) (Idle or Detected). Display the signal value and the reference threshold of the selected Key (Kx). Display the number of samples rejected by the noise filtering system. Display the state of the slider (Idle or Detected). Display the signal value and the position of the slider. Display/change slider resolution (default is 4 bits, may be set to up to 7 bits).
Parameter setting options
Use the joystick to navigate through the sub-menus as shown in Figure 3 to set the following options: 1. Detection time-out This feature automatically recalibrates keys after a fixed duration of continuous touch detection. This prevents the keys from becoming 'stuck on' due to foreign objects or other sudden influences. This is known as the detection time-out feature. After recalibration, the keys will continue to operate normally, even if partially or fully obstructed. Infinite timeout (detection time-out value = 0) is useful in applications where a prolonged detection can occur and where the output must reflect the detection regardless of its duration. 2. De-bounce filter The de-bounce filter reduces the effects of low frequency noise on key states. This mechanism requires a specified number of measurements that qualify as detections (and these must occur consecutively) or the detection will not be reported. In a similar manner, the end of a touch (loss of signal) also has to be confirmed over several measurements. This process acts as a type of "de-bounce" mechanism against noise. The typical value is equal to 2. 3. Low power mode To reduce device power consumption, this feature inserts a low power mode window between each key acquisition period. This window duration is programmable with the following typical values (in milliseconds): 0, 1, 2, 4, 8, 16, 32, 64, and 128. 4. Detection Exclusion System The Detection Exclusion System (DES) prevents multiple keys from responding to a single touch. This can happen with closely spaced keys. Once a key is considered as "touched", all other keys are locked in an untouched state. To unlock these keys, the touched key must return to an untouched state.
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Evaluation kit board settings
3
3.1
Evaluation kit board settings
STM8S touch sensing daughterboard
Figure 4. STM8S TS daughterboard overview
1 selection key
4 direction keys
Slider Connectors to STM8/128-EVAL board
Analysis connectors
I2C connector
STM8S MCU
IDD measurement
SWIM connector and jumper
STM8S MCU This board uses a STM8S microcontroller (STM8S207K6T6C) in a 32-pin LQFP package. Keys The 5 touchkeys (electrodes) are made of a simple copper surface.
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Evaluation kit board settings Slider The slider consists of 5 elementary juxtaposed electrodes. Analysis connectors
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All electrode and driven shield signals are available through two connectors (J2 and J3) for analysis and monitoring. I2C communication connector In the event of I2C communication, the daughterboard provides a connector (J6) for the I2C data and clock signals for interfacing with the STM8S microcontroller. SWIM connector and setting jumper A single-wire interface module (SWIM) interface (J5) with its associated jumper (W1) for analysis and development.
3.1.1
Dielectric
A 1.5-mm thick Plexiglas panel (Figure 5) is used as a dielectric between the electrodes and the touch surface. The user can replace this panel by another kind of dielectric with a different thickness and/or material. Consequently, new firmware parameters will have to be tuned. Figure 5. Interchangeable dielectric panel
Screw holes
3.1.2
Daughterboard MCU pin functions
Table 1 describes the application functions assigned to each pin of the daughterboard microcontroller. The motherboard provides certain resources for the daughterboard such as the LCD, power supply, LEDs, joystick, buzzer, etc. For more information, see Section 3.2: STM8S2xx evaluation motherboard settings. Table 1.
Pin no. 1 2 3
Daughterboard MCU pin description
Pin name RST PA1 PA2 LED4 Backlight Disconnect R17 Application usage Option Configuration
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Pin no. 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Evaluation kit board settings Daughterboard MCU pin description (continued)
Pin name VSS VCAP VDD VDDIO_1 PF4 VDDA VSSA PB5 PB4 PB3 PB2 PB1 PB0 PE5 PC1 PC2 PC3 PC4 PC5 PC6 PC7 PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 LED2 LED3 Joy Down Joy Left Joy Right Joy Up LCD CS Key K1 Key K2 Key K3 Buzzer SPI SCK SPI MOSI Key K4 Key K5 DB SWIM connector Slider S5 Slider S4 Slider S3 Slider S2 Slider S1 Driven shield slider LED1 R45/R44 MB SWIM connector W1 Driven shield keys R4/R46 IC SDA IC SCL R43 R42 Load Application usage Option Configuration
Note:
Options are selected using 0-ohm resistors.
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Evaluation kit board settings Table 2. Daughter/motherboard CN1 and CN5 header connections
Motherboard connector (STM8/128-EVAL board)
CN1 header
PI6 PE1 PE3 PG7 PG5 PI4 PI2 PI0 PG2 PG0 PC6 PC4 PC3 PC1 PE5 PE7 PH5 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 PI7 PE0 PE2 PE4 PG6 PI5 PI3 PI1 PG4 PG3 PG1 PC7 PC5 PC2 PC0 PE6 PH7 PH6 PH4 +3V3
PD1 PD3 PD5 RST R41
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Daughterboard connector (STM8S2Kxxx-TS1)
J1 header
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 PD0 PD2 PD4 PD6
D5V PB4 PD7
PB5
PF4 PE5 PB0 PB1
PB3 PB2
D5V
PD1 PD3 PD5 PD7 PA2 PA4 PA6 D5V R16 820
Header 25X2
CN5 header
J4 header
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
RESET#
PH1 PH3 PF6 PF5 PF3 PF1 PB7 PB4 PB2 PB0
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
PD0 PD2 PD4 PD6 PA0 PA1 PA3 PA5 PH0 PH2 PF7 PF4 PF2 PF0 PB6 PB5 PB3 PB1
PC6 PC4 PC3 PC1
2 on the left
PC7 PC5 PC2
PA2 +3.3V
D5V
Header 25X2
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3.1.3
Daughterboard power supply
By default, the daughterboard is powered through the motherboard. The 3.3 V regulator on the daughterboard supplies the daughterboard MCU. The MCU current consumption (IDD) can be measured by removing jumper W2.
3.1.4
SWIM connections
The STM8 debug system interface allows a debugging or programming tool to be connected to the MCU through a single-wire bidirectional communication based on open-drain line. This single-wire interface module (SWIM) module allows non-intrusive read/write accesses to be performed on-the-fly to the RAM and peripheral registers, for debug purposes. The SWIM module can also perform a MCU device software reset and can also be used by as a standard I/O port with some restrictions. Jumper W1 is used to configure SWIM settings as described in Table 3. Table 3. W1 jumper description
Description Uses STM8S TS daughterboard SWIM connector (default setting)
Configuration 1 2 3
1
2
3
Connect PD1of STM8S TS daughterboard device to resource of STM8S/128EVAL board.
For more information, please refer to user manual UM0470: STM8 SWIM communication protocol and debug module. Figure 6. SWIM connector (top view)
1 2 3 4
Table 4.
Pin number 1 3
SWIM connector pin description
Description VDD GND Pin number 2 4 PD1 PA0 (RESET) Description
Note:
The SWIM connector of the STM8/128-EVAL board cannot be used.
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3.1.5
Analysis connectors (J2 and J3)
Application designers can use connectors J2 and J3 to analyze electrode and driven shield signals on the daughterboard.
Note:
The user should take into account possible probe capacitance disturbance and should consider re-calibrating the device before use. Table 5.
Pin number Shield K1 K2
J2 connector pin description
Description Slider 1 active shield Key 1 electrode Key 2 electrode Pin number K3 K4 K5 Description Key 3 electrode Key 4 electrode Key 5 electrode
Table 6.
Pin number S1_1 S1_2 S1_3
J3 connector pin description
Description Slider 1 electrode 1 Slider 1 electrode 2 Slider 1 electrode 3 Pin number S1_4 S1_5 Shield Description Slider 1 electrode 4 Slider 1 electrode 5 Slider 1 active shield
3.1.6
External supply and communication
Connector J6 provides I2C data and clock signal pins for communication with the daughterboard microcontroller. The user can use these pins to develop his own communication protocol. Resistors R36 and R37 are available as I2C pull-up resistors and can be mounted by the user if needed.
Note:
If the device is supplied by pin 1 and 5, jumper W2 must not be connected. Table 7.
Pin number 1 2 3 VSS PA1
J6 connector pin description
Description Pin number 4 5 Description
2
I C SDA
VDD
I2C SCL
Pin 2 is connected to PA1 and is available for user implementation. For example, it may be used for acquisition synchronization.
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Evaluation kit board settings
3.2
STM8S2xx evaluation motherboard settings
Figure 7. TS motherboard overview
CN5 header CN1 header Jumper JP1
Jumper JP3
LCD display
Power supply
Reset
Joystick
When using the STM8S TS daughterboard assembled with the STM8/128-EVAL (mother) board, the following settings must be implemented:

To maintain STM8S TS daughterboard MCU functionality, the Reset Source (JP1) jumper must be set to the "STice" position (Table 8) on the STM8/128-EVAL board. To supply power from the supply jack (CN6) to both mother and daughterboards connected on connectors CN5 and CN1: - - On STM8S TS daughterboard, connect both pins on jumper W2 (Section 3.1.3). On STM8/128-EVAL board, set jumper JP3 as shown in Table 8. (STM8S TS daughterboard must have not its own power supply connected.)
For more information about the STM8/128-EVAL board, please refer to UM0482: STM8/128EVAL evaluation board user manual.
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Evaluation kit board settings Table 8.
Jumper JP1
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STM8/128-EVAL board settings
Description Set to "STice" to keep motherboard MCU Reset pin low to enable correct TS daughterboard MCU functionality. (Default configuration) Configuration 1 2 3
1 1
2 2
DTB
JP3
Connect both PSU and DTB jumpers to supply power supply the TS daughterboard. (Default configuration)
PSU
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Advanced evaluation using a debugging environment
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4.1
Advanced evaluation using a debugging environment
Running the evaluation firmware in debug mode
Designers can easily run the evaluation firmware in Debug mode using ST debugging and programming tools.
Hardware tools to be ordered separately: - - Raisonance RLink debugger/programmer for ST microcontrollers (www.raisonance.com/) STice in-circuit emulation system ST MCU Toolset with ST Visual Develop (STVD) IDE and ST Visual Programmer (STVP) programming interface STM8 Cosmic C compiler (www.cosmic-software.com/)
Software tools to be downloaded separately: - -
In Debug mode, designers can perform an in-depth evaluation of the firmware and visualize touch sensing parameters. Designers can even customize the touch sensing library to their specific needs by creating their own application firmware. For further information about ST software, STM8 microcontrollers or debugging tools, please read the associated documentation or ask your local ST support team for a training session. More information is available at www.st.com/touch-sense-sw-lib
4.2
Entering debug mode using RLink
This section describes the steps necessary to set up a platform for evaluating and developing TS firmware.
Note:
For links to tools and downloads, please refer to ST's microcontroller web site at www.st.com/mcu/. 1. 2. 3. Download and install the ST MCU Toolset with ST Visual Develop (STVD) IDE and ST Visual Programmer (STVP) programming interface (one single download). Download and install the STM8 cosmic C compiler. Install the Rlink USB driver using one of the two following methods: - Insert the RAISONANCE CD-ROM into your CD drive and exit from Autorun. Explore the CD-ROM contents and execute the RLinkUSBInstall.exe file in the D:\Driver\RlinkDrv directory. - Download the RLinkUSBInstall.exe file from the Raisonance web site and execute the file. Restart your computer to apply these changes. Install the RLink hardware: a) Place jumpers on the "SWIM" and "ADAPT" RLink configuration pins of the Rlink USB adaptor as shown in Figure 8. b) Connect the SWIM-STM8 adaptor to the RLink USB adaptor. c) Connect the SWIM cable between the touch sensing daughterboard (J5 SWIM connector) and the SWIM-STM8 adaptor as shown in Figure 9. d) Connect the USB cable between your PC and the RLink USB adaptor. e) Power the TS daughterboard through the STM8S2xx evaluation board.
4. 5.
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Advanced evaluation using a debugging environment Figure 8. RLink configuration jumpers SWIM connector
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Configuration jumper location
Figure 9.
RLink USB and SWIM configuration
SWIM cable
Daughterboard SWIM connector
SWIM/STM8 adaptor Power supply
RLink USB adaptor
6. 7. 8.
Download the STM8 touch sensing library from www.st.com/touch-sense-sw-lib Launch the ST Visual Develop (STVD) integrated development environment. Load the STM8 TS evaluation firmware (Figure 10): - In the "File" menu, click "Open workspace" and select/open the file STM8S20xK_TS1_EVAL_FW.stw. (Default path file @ \STM8S20xK_TS1_EVAL_FW\Project\STVD\Cosmic)
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Advanced evaluation using a debugging environment Figure 10. Loading the TS evaluation firmware
9.
In the "Project" menu, select "Setting" to define the C cosmic location directory (Figure 11).
Figure 11. Project settings
10. Build the project by compiling and linking all the source code. a) b) In the "Build" menu, select "Rebuild all". When the process is completed, check that there are no errors and no warning messages in the Output windows.
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11. Select RLink as the debugging tool. - In the "Debug instrument" menu, click "Target setting" and select "SWIM RLink" as shown in Figure 13.
Figure 13. Debug instrument settings
12. Start the debugging process. - In the "Debug" menu, select "Start debugging" and click "Run" (or press CTRL-F5) to start the application in Debug mode.
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Advanced evaluation using a debugging environment
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4.3
Exploring key structures
All key and slider data structures can be monitored through the STVD watch window. The main "touch sensing" structures are "sSCKeyInfo" and "sMCKeyInfo". To learn more about library variables and function descriptions, please refer to the CHM file available at \STM8_TS_LIB\stm8_tsl_um.chm Figure 15. STVD watch window
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Appendix A
STM8Sxxx-TS1 daughterboard schematics
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Figure 16. STM8Sxxx-TS1 daughterboard schematic diagram
R45 R1 D5V U2 1 C5
100nF_X7R_0603 0R_0603/DNF
SH_DRV
0R_0603
R14 VDD_MCU VDD GND Vout NC 5 4
100nF_X7R_0603 100nF_X7R_0603 100nF_X7R_0603
PD6
0R_0603/DNF
J2
Header 6
W2 JUMPER
100nF_X7R_0603
R15 R16 C1 R18 R19 R2
PD5 PD4
0R_0603/DNF
Vin CE
C6
3
C7
C8
2
1F_X5R_0603 LP2980ABM3-TR
2.2F_X5R_0603
C4
C2
PD3
0R_0603/DNF
C9 J1 PD1 PD3 PD5 RST R41
0R_0603
PD2
0R_0603/DNF
VDD 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 PD0 PD2 PD4 PD6 6 5 7 9
680nF_X5R_0603
1 2 3 4 5 6 Shield R3
10K_1%_0603
0R_0603/DNF
R42
0R_0603
D5V
R44
0R_0603/DNF
0R_0603/DNF
PB2
IC SDA 11 IC SCL 12 PB3 13 PB2 14 PB1 15
R39
R40
PB5/AIN5 PB4/AIN4 PB3/AIN3 PB2/AIN2 PB1/AIN1 PB0/AIN0 PC7/SPI_MISO PC6/SPI_MOSI PC5/SPI_SCK PC4/TIM1_CC4 PC3/TIM1_CC3 PC2/TIM1_CC2 VSS 24 23 PC6 22 PC5 21 20 19 18 R22 10 4 PD0 PC7 R21
0R_0603/DNF 1M_1%_0603
0R_0603/DNF
PB3
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
R4 C3
10K_1%_0603
U1 RST 1 VDDIO_1 VDDA VCAP VDD RST
STM8S208K3T PD7/TLI PD6/LINUART_RX PD5/LINUART_TX PD4/TIM2_CC1/BEEP PD3/TIM3_CC2 32 31 30 29 28 27 26 SWIM 25
3.3M_1%_0603
R5
3.3M_1%_0603
S1 1 2 3 4 5 Slider
R6
10K_1%_0603
10nF_X7R_0603
R7
3.3M_1%_0603
PA1 R17
0R_0603
2 3
PA1/OSCIN PA2/OSCOUT
R8
10K_1%_0603
PA2
R9
3.3M_1%_0603
R10
10K_1%_0603
R43
0R_0603
PB0 16
PE5 17
PE5/SPI_NSS
VSSA
PC1/TIM1_CC1
1 2 3 4 5 6
4.7K_1%_0603/DNF
4.7K_1%_0603/DNF
3
2
1
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R46
R11
3.3M_1%_0603
LOAD R20
0R_603/DNF
8
PF4/AIN12
PD2/TIM3_CC1 PD1/SWIM PD0/TIM3_CC2
R12
10K_1%_0603
PE5 PB0 PB1
R13
SH_DRV
R38
0R_1%_0603
10K_1%_0603
Shield C10
1nF_X7R_0603
STM8Sxxx-TS1 daughterboard schematics
Header 25X2 J4 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
R47
0R_0603/DNF
J3
Header 6
Shield R23
10K_1%_0603
K5 1 K4
R24
1M_1%_0603
PC6 PC3 PC1
PC7 PC5 VDD PC2 J5 G2 PA2 +3.3V G1 GND RST GND SWIM VDD GND SWIM VDD 4 RST 3 2 1 R37 J6 PD1 SWIM 5 4 3 2 1 Header 5 IC SCL IC SDA PA1 W1 JUMPER 3 POS VDD
R25
0R_0603/DNF
R26
10K_1%_0603
1 K3 1 K2 1 K1 1
R27
1M_1%_0603
0R_0603
PC3 PC2 PC1
R28
0R_0603/DNF
R29
10K_1%_0603
R31
1M_1%_0603
R30
0R_0603/DNF
R33
10K_1%_0603
R36
R34
1M_1%_0603
R32
0R_0603/DNF
R35
10K_1%_0603
D5V
Header 25X2
Title:
STM8SxxxK-TS1 Daughter Board
Reference: MB836 Revision: C-01 Sheet: 1 of 1
Size: A4
Date: 06-Nov-09
STMicroelectronics Microcontrollers Division 190, avenue Celestin COQ 13106 ROUSSET Cedex FRANCE
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Revision history
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Revision history
Table 9.
Date 04-Feb-2009 09-Mar-2009 20-Mar-2009 26-Feb-2010
Document revision history
Revision 1 2 3 4 Initial release. Updated Figure 3: Navigation scheme on page 5 and Display options on page 6. Corrected reference to STM8S touch sensing evaluation kit from "STM8/128-EVAL/TS" to "STM8/128-EV/TS". Updated values of C3 and C9 in Figure 16 on page 21. Changes
22/23
Doc ID 15330 Rev 4
UM0671
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Doc ID 15330 Rev 4
23/23

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