STM8L101-EVAL evaluation board
Contents
1. 2 6290INN CLES 9 61 Figure 12 STM8L1 motherboard LCD and SD MicroSD CS C2 3 3 100nF 100nF VL VCC SPI SCK Pa IOVL IOVCC 1 SPI MOSI IOVL 2 IOVCC 2 IOVL 3 IOVCC 3 LCD CS SPI MISO 2 4 S NC NC GND THREE STATE do not fit MAX3378EEUD R69 VDD CNI SDcard detect gt PJS008 2000 SMS064FF or SMS128FF MicroSD card 3V3 RI 43V3 do not fit 26 not fit ae T Vss 3 17 vo z CLK z SID 74 CS g K 122032 LCD STMicroelectronics T STM8L1 L2 MB LCD amp SD Numbe MB709 Rev A 1 PCB SCH Date 1 21 2009 2 9c 0c CLES Figure 13 STM8L1 motherboard peripherals 1 2 3 4 45V MCU U3 1 R36 2 1 VCCA 3 GND DIR BiD LED A B j SN7ALVCIT4SDCKT R16 5 10K 300 3 4 MCU VDD 43V3 Red MC VDD VB334 do not fit RAT EDI AKT 2 R20 0 Bi color LED connector lt2. m RESET 5 E 4 EX E ES EX PC Pas PCT E PHO PGT 3 PAG PHI 2 8 10 EAT w RSS 4 p 122 Tur PGS 1 5 PG2 is Rm PAG ane PGT PDO Sal 1 15100 PAS B Pao PAG PBO 2 PBI 1 22 24 PGI PB2 6 283 PDO PED PEI 25 26 27 28 PDI PED PES 27 28 29 30 PD3 PEA PES 29 30 x 32 Acn PEG PBO PBI 34 285 PB2 Bon PB3 PBG 222 39 4 Al PDI an 20 PDS PD6 2 43 44 PFO PET Header 18X2 on the left PEZ PES PEL 49 50 PEG PET PCO PCI m 57 58 EX PC6 1 NES PHO 2 PCI PHI 4 65 66 PCO 2 PFT PAO Li 6 PES 67 68 is 2 S 69 70 PES 9 10 Ji he RESET DES uA RI Sx PET on T ET PDT PFO is 15 16 Vix 77 78 2 17 18 79 80 D5V 19 20 PET 81 8 21 22 83 84 oa 23 24 MCU 85 86 25 26 S 87 88 27 28 39 90 29 30 Ji 91 92 PEt 213 32 93 94 PE3 PES 33 34 PE 95 96 35 36 97 98 99 100 100 102 108 104 Header 18X2 on the right RT 107 108 109 110 nm 12 114 15 116 17 118 119 120 Exension connector m m Q Not Fitted STice connector STMicroelectronics Title STM8L1 L2 MB MCU NumberMB709_ Rev 1012 2009 of 6
3. 1155 MCU VOD STM8L101 MCU LQFP32 package soldered directly onto the board and footprint for socket ref ENPLAS OTQ 32 0 8 02 is present on the board Doc ID 15312 Rev 2 7 26 STM8L1 L2 motherboard UM0629 2 STMS8L1 L2 motherboard This motherboard is designed to work with an STM8L1 daughterboard 2 1 Power supply The motherboard is designed to be powered by a 5 V DC power supply and to be protected from a wrong power plug in event by PolyZen Inc auto rearmable fuse U13 It is possible to configure the evaluation board to provide 5 V power to the daughterboard through the daughterboard connector e The motherboard is powered by a 5 V DC power adapter connected to CN10 the power jack on the board PSU on silk screen for power supply unit e 5VDC power is provided to the daughterboard through an extension connector and can be set by jumper JP12 DTB for daughterboard on silk screen e MCU VDD can be selected by setting jumper JP11 and is connected to the daughterboard directly through the daughterboard connector The power supply is configured by setting the jumpers JP11 and JP12 as described in Table 1 The LED LD6 is lit when the motherboard is powered correctly JP3 is no longer used Table 1 Power related jumpers Jumper Description Setting 5 V power from power supply jack CN10 is connected to the motherboard when JP12 is set as s
4. LED2 e B2 USER 15 C16 MCU_VDD 100nF LED3 1 U6 R43 R44 1 E vec AKT R22 0 ree R2 2 RB 51 lt Potentiometer r VSS SDA Ww DC 24 64 6 Potentiometer User Button LEDs EEPROM U7 5 COMMON CN8 1 100 DB9 male USARTI MCU_VDD do not fit 2 R46 Selection U8 2 sere 16 1 lt JOY SEL 3 Cle gt 10 DOWN 1 luF JOY LEFT Done 3 go m ON RICHE ROB s Lec lt JOY UP AW 4 Tiin H4 4 USART R 2 P Riot Riin e T M al R8 OK 10 T2in T2out 1 9 R2out R2in Joystick 6 15 mo v GND STMicroelectronics ST3232ECTR Title RS232 STM8L1 L2 MB Peripherals Number MB709 Rev A 1 PCB SCH Date 1 21 2009 Sheet4 of 6 1 2 3 4 2 6290INN CLES 92 12 Figure 14 STM8L1 L2 motherboard audio 011 KECG2740TBL 2 R58 dont solder 010 1 Standby Uoutl 37 Vin Vout2 55 Vint VCC 22uF 2 Bypass GND TS4871IST C35 22uF Speaker MCU VDD TP2 2 MIC OUT TS461CLT 1 Microphone C38 do not fit MIC OUT gt U9 KDMG 15008 03 STMicroelectronics m eSTM8L1 L2 MB Audio Number MB709 Rev A
5. 57 PDA 19 2 CHI PDs 21 PBI TIM3 23 PB2 TIM2 CH2 COMP2 PBSSPLSCK gt 25 6 PB3 TIM2 TRIGICOMP2 2 PB4 SPI_NSS 27 2 STMSLIOIK3T 6 2 30 QFP32 and OTQ 32 0 8 02 double footprint 33 34 ud 35 36 5 38 39 40 4 44 5 46 4 48 lt 2 2 Right 53 34 es 2 soe EG 5 5 56 3 4 4 5 58 4 79 5 6 59 60 ee n TTP 12 2 292 R2 20 13 14 13 14 15 16 PD RE PA4 PD5 PD6 lt 43 17 18 Jo 17 PDI il 19 20 D5v L 19 20 2 2 PAG a 2 PBL 23 24 7 12 pgs VDD z 25 26 25 26 PD2 PB4 7 28 PD3 20 ID 29 30 v 60 pins Connector for STICE PRO ee 3 m2 T 5 5 36 SSQ 118 03 G D SSQ 118 03 G D Extension connector Title M STM8L1 DB 62 Number MB710 Rev B 1 PCB SCH Date 10 12 2009 Sheet of 2 STM8L101 EVAL I O assignment UM0629 Appendix STM8L101 EVAL I O assignment Table 13 STM8L101 EVAL in
6. UM0629 J User Manual STM8L101 EVAL evaluation board Introduction The STM8L101 EVAL is composed of two boards m An STM8L1 L2 motherboard called MB709 which includes all peripherals which are connected to the MCU on the daughterboard The motherboard connects to the daughterboard via two 36 pin connectors m An STM8L1 daughterboard called MB710 which has an STM8L101 MCU The motherboard and daughterboard are a complete development platform for STMicroelectronic s STM8L101 microcontroller with comparator 2 SPI USART and SWIM debugging support The full range of hardware features on the STM8L101 EVAL helps you to evaluate all peripherals MicroSD USART EEPROM LCD for example and develop your own applications Figure 1 STM8L101 EVAL board 57 3 4 rcd 710 R2 ms 21219124 916110 ut Lc Q 12 12 aL OOOO Joysu November 2009 Doc ID 15312 Rev 2 1 26 www st com Contents 0 0629 Contents 1 e deer ET 4 1 1 aint Gianna PA GA asa Shela ea od 4 1 2 Demonstration software 4 1 3 Order BOB soros xS d Ea Mb RU ad seine RC dl wi 4 1 4 Hardware layout and configuration 5 2 STM8L1 L2 motherboard 8 2 1 FoOWer SUDDIY
7. All ST products are sold pursuant to ST s terms and conditions of sale Purchasers are solely responsible for the choice selection and use of the ST products and services described herein and ST assumes no liability whatsoever relating to the choice selection or use of the ST products and services described herein No license express or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein UNLESS OTHERWISE SET FORTH IN ST S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE ST PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS NOR IN PRODUCTS OR SYSTEMS W
8. PAS ADC_IN14 TIM3_BKIN PCHUSART_TX solder bridge e INI3COMP REF PCYUSART RX VSSA PCI DC SCL 2 r vss PCURC_SDA oem VDD et at VDDA VDDA PE6 Pon PGO REF PES PT PGI REF pra BNC PG2 ADC_IN12 PES Sb MIC OUT gt PG3 ADC_INI 1 Ppi Audio PW PDO TIM3_CH2 COMP1_CH3 pri SDcard detect LCD CS PDI TIM3 TRIGCOMPI CH4 PRO LED4 44 PD7 2 JOY SEL pps 43 PD6 Tens 280 23 PDS TED 5 JOY LEFT PD 7 LEDI JOY RIGI H PB2 TIM2_CH2 COMP2_CHI VDD 30 JOY_UP PB3 TIM2_TRIGCOMP2_CH2 vss rpm PEO ADC_IN2 PB7 SPLMISO 25 787 SPLMSO PEI ADC_INI SPLMOST gt PE2 ADC_INO PBSSPLSCK 9 PBASPLNSS 23 MisoSD CS 9 PET PES PES Not Fitted 1 PED Potentiometer 1 2 1 R12 29K 214017 PD3 SWIM connector RIS UK RM gt Sum 3 RESET R9 0 1 4 09 1306 NDQ 54mm SWIM connector SWIM connector Economic measurement
9. SPI MISO LED j LED 2 SPL MOSI lt SPI MOSI USART_RX USART_RX SPLSCK SPLSCK USART 1 2 USART En MicroSD CS C MicroSD CS User Button User Button LED CS JOY_UP JOY_UP e SDcard detect SDcard detect JOY RIGHT JOY RIGHT JOY_LEFT JOY_LEFT JOY_DOWN JOY_DOWN JOY SEL JOY SEL lt Potentiometer Potentiometer i BNC BNC 92 21 STMicroelectronics T STM8L1 L2 MB Number MB709 Rev A1 PCB SCH Date 1 21 2009 Sheeti of 6 2 92 81 CLES 0120 Figure 11 STM8L1 motherboard MCU c9 C10 20pF 20pF 1 MCI RIS 10K JPI RESET VDD Li VDD Not Fitted BEAD C6 CT Not Fitted 100nF 100 27 A 1 PAUNRST PAO SWIM BEEP IR_TIM solder bride 3 pun 2 PA PASHSE OUT PHI 2 PGS PHO PGS 5 PG6 PCULSE OUT DOSES PCSILSE IN 2 PA4 ADC_INIS TIM2_BKIN PC4 USART CK CCO ums
10. 1 PCB SCH Date 1 21 2009 Sheq 2 CLES Figure 15 STM8L1 motherboard power U13 ZENO056V130A24LS CNIO i 015 SV 2 BNX002 01 TP6 TP7 B JP12 5V LD6 Ground 45V red 2 1 2 9 R66 4 ESV 3 12 Header 2X2 gt 10uF ESV 44 114 45V LD1086D2M33 3 Vin Vout 47 gt 470uF 5 116 45V LD1086D2M Vin MCU VDD C45 10uF C46 10uF STMicroelectronics T STM8L1 L2 MB Power Numbe MB709 Rev A 1 PCB SCH Date 9 23 2009 2 6290INN 4 4 2 Figure 16 STM8L1 DB daughterboard schematic Daughterboard schematic 6290INN Ul 32 CN3 p Bl QTH 0001L D A 30 RESET PA2 25 PA4 TIM2_BKIN PC4USART_CKICCO 56 m 3 PAS TIM3 BKIN PC3USART y w E PA6 COMP REF PC2 USART_RX 55 Ha 7 VSS SCL 55 oH VDD PCOIDC 5 Peo PDO TIM3 PD 53 13 PDI TIM3 PD6 55 1 15 PD2 COMP2_CH3 PDS 57 PRE 17 PD3 COMP2
11. 2234462008 28409624844 25534542484 PEE 8 2 2 Heset SOUICe 3442294 9 GO GIG RET 9 2 4 EEPROM Eo Rte aen ou de eiecti eos 10 2 5 eee een ew eed qe Cua itat toit 10 2 6 MicroSD cad eG APNG ede RYE ERES er E 10 2 7 Analog Input 2254 ERSTE Yn EN ES 10 2 8 Development and debug support CN5 and CN6 10 2 9 Display and input 11 210 Bi color LED sess Cheats bat Eae ars 11 2 11 Economic measurement and potentiometer 1 11 212 MicroSD connector 12 2 13 Daughterboard extension connectors CN3 and CN4 13 2 14 SWIM connectors CN5 and CN6 14 2 15 95 232 connector CNB iua kac ved RR iad 15 216 A di j ck CNO 15 2 17 Power connector CN10 15 3 STMSL1 daughterboard 16 3 1 ao cg Cr 16 3 2 Extension connector CN1 CN2 16 4 Schemal6S raw ELSE RG E Ea 17 4 1 STMBLT L2 motherboard 17 4 2 STM8L1 DB daughterboard schematic 23 2 26 Doc ID 15312 Rev 2 UM0629 Contents A
12. HERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ST PRODUCTS WHICH ARE NOT SPECIFIED AS AUTOMOTIVE GRADE MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER S OWN RISK Resale of ST products with provisions different from the statements and or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever any liability of ST ST and the ST logo are trademarks or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2009 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Philippines Singapore Spain Sweden Switzerland United Kingdom United States of America www st com 26 26 Doc ID 15312 Rev 2
13. ata on pin 3 e Onthe PC side the RX signal is generally on pin and the TX signal pin 2 This standard 9 pin straight RS 232 cable is not provided with the board Refer to Section 2 15 for details on RS 232 connector pinout MicroSD card The 1GByte or more MicroSD card connected to the SPI of the STM8L101 through a voltage level translator U1 shared with LCD is available on the board MicroSD card chip select is managed by standard I O port PB4 Analog input The BNC connector footprint present on the board CN7 cannot be used as it is not connected to the MCU Development and debug support CN5 and CN6 The two debug connectors are available on the motherboard 5 4 pin connector reference 284697 or 214017 for SWIM debugging It fits with ERNI connectors provided with standard tools CN6 2 54 mm pitch low cost 4 pin connector for SWIM debugging Doc ID 15312 Rev 2 ky UM0629 STM8L1 L2 motherboard 2 9 2 10 2 11 Display and input devices Display devices available are e 122x32 dot matrix serial interface LCD U2 e 4general purpose LED s LD2 3 4 5 Input devices available are e 4 direction joystick selection key e general purpose button B2 Table 5 122x32 dot matrix LCD U13 Pin on U2 Description Pin connection 1 Vss GND 2 Vcc 3V3 3 VO 4 CLK PB5 5 SID PB6 6 CS PD1 7 5V 8 K GND Bi color LED A bi color LED is c
14. bled by the setting of jumper JP10 Audio volume can be adjusted using the potentiometer RV2 Table 3 Audio related jumpers Jumper Description Setting Audio power amplifier TS4871 is forced on standby mode when JP10 is JP10 not fitted Default setting fitted Either beeper or PWM output can be selected as a source of speaker by setting jumper JP9 JP9 The beeper is connected to speaker when JP9 is set as shown to the right position on the silk screen The PWM output is connected to speaker when JP9 is set as shown to 123 the right PSW position on the silk screen default setting e ele Doc ID 15312 Rev 2 9 26 STM8L1 L2 motherboard UM0629 2 4 2 5 Note 2 6 2 7 2 8 10 26 I2C EEPROM A 64 Kbit I2C EEPROM is connected to the 12C port of the STM8L101 Write protection can be enabled by the setting of jumper JP8 Table 4 2 EEPROM related jumpers Jumper Description 2 EEPROM 06 is protected from write operation when JP8 is not fitted JP8 Default setting Fitted RS 232 One D type 9 pin RS 232 connector is available on the motherboard RS 232 interface behavior is not guaranteed when the MCU is powered by an adjustable voltage lower than 3 V To communicate with an RS 232 port on a PC a 9 pin straight RS 232 cable direct pin to pin connection is needed because e CN8 the signal is connected on pin2 and the TX d
15. hown to the right TE default setting 2 JP12 5 V power from power supply jack CN10 is connected to the daughterboard Ov when JP12 is set as shown to the right this case the motherboard and daughterboard are powered by 5 V power supply MCU VDD is powered by a fixed 3 3 V power supply when JP11 is set as shown to the right e ele default setting 1 JP11 MCU VDD is powered by a variable power supply from 1 8 V to 3 3 V adjusted by potentiometer RV4 bottom left of the board when JP11 is set as 1 shown to the right 8 26 Doc ID 15312 Rev 2 ky UM0629 STM8L1 L2 motherboard 2 2 Reset source The reset signal of the motherboard is low active Reset sources include e Reset button B1 e Debugging tools from connectors CN5 CN6 The reset pin PA1 of the STM8L101 is either connected to the reset button B1 or to GND by the setting of jumper JP1 Table 2 Reset related jumpers Jumper Description Setting PA1 is connected to GND when JP1 is set as shown to the right 123 This configuration is reserved for internal use only JP1 is connected to Reset button when JP1 is set as shown to the right 123 default setting eje This jumper position is called Alone on the silk screen 2 3 Audio The motherboard supports both audio recording and playback but audio recording components U11 microphone and U12 amplifier cannot be used with the STM8L101 The speaker can be disabled or ena
16. l power supply jack CN10 shown in Figure 9 The central pin of CN10 must be positive Figure 9 Power supply connector CN10 viewed from front ky Doc ID 15312 Rev 2 15 26 STM8L1 daughterboard UM0629 3 3 1 3 2 16 26 STM8L1 daughterboard Power The STM8L101 MCU is powered by MCU_VDD from the motherboard through an extension connector on the board It is enabled by setting the jumper JP1 as described in Table 12 Table 12 Power related jumper Jumper JP1 Enables consumption measurement of VDD when the jumper is removed and replaced by an ammeter Default setting Fitted Description Extension connector CN1 and CN2 The 36 pin connectors CN1 and CN2 are designed to be connected to the motherboard The pin out definition is the same as CN3 and CN4 on the motherboard which is described in Section 2 13 Warning On MB710 PCB rev B CN2 pin 26 silk screen PB5 is missing Doc ID 15312 Rev 2 ky 4 Schematics 4 1 STM8L1 L2 motherboard Figure 10 STM8L1 motherboard schematic U Audio U Peripherals Audio SchDoc MCU SchDoc Peripherals SchDoc MIC OUT m MIC OUT DC SIK DC SLK Audio PWM lt Audio PWM 0 SDA SDA lt BEEP LED4 L4 4 LED4 U_LCD_MicroSD E LCD Micr SD SchDoc LEDI s LEDI Bi 9 SPI MISO gt
17. onnected to PBO through a voltage translator which guarantees that the bi color LED works when the STM8L101 is powered by an adjustable voltage from 1 8 V to 3 3 V Economic measurement and potentiometer RV1 The economic measurement solution is demonstrated based on the internal comparator inside the STM8L101 and potentiometer RV1 As shown in Figure 5 the voltage divided by resister bridge R10 and R11 can be measured by using an internal comparator of the STM8L1 with Vref connected to channel 2 of the comparator and an RC charge circuit connected to the COM channel of the comparator To measure the voltage Vin from the potentiometer 1 Compare Vref with the voltage on C8 which is charged by a series of pulses generated by PC4 2 Record pulse number PN Vref when the voltage on C8 reaches voltage reference Vref 3 Another charge pulse PN Vin can be obtained with voltage connected to also like PN Vref 4 The voltage Vin can be calculated based on both numbers PN Vref and PN Vin Doc ID 15312 Rev 2 11 26 STM8L1 L2 motherboard UM0629 Figure 5 Voltage measurement using internal comparator Table 6 Potentiometer RV1 related jumpers Jumper Description Setting RV1 is connected to PD2 as one input of the internal comparator when JP2 123 is set as shown to the right e e JP2 JP2 position is called Comp on the silk screen RV1 is not connected when JP2 is set as shown to
18. ppendix A STM8L101 EVAL I O 24 5 REVISION history 25 Doc ID 15312 Rev 2 3 26 Overview UM0629 1 1 1 2 1 3 4 26 Overview Features 5 V power jack supply Audio play MicroSD card 64 Kbit 2 EEPROM One channel of RS 232 communication Bi color LED Economic analog voltage measurement based on comparator SWIM debug support 122 x 32 dot matrix serial interface LCD module Joystick with 4 direction control and selector Reset and User button 3 LEDs Extension connector for daughterboard One 10 K potentiometer RoHS compliant Demonstration software Demonstration software is preloaded in the board s Flash memory for easy demonstration of device peripherals in stand alone mode For more information and to download the latest version available refer to STM8L101 EVAL demonstration firmware available on web www st com mcu Order code To order the STM8L101K3 evaluation board use the order code STM8L101 EVAL Doc ID 15312 Rev 2 ky UM0629 Overview 1 4 Figure 2 Hardware layout and configuration The STM8L101 EVAL evaluation board is designed around the STM8L101K3T6 in an LQFP32 package Figure 2 illustrates the connections between the daughterboard and the peripherals on the motherboard LCD 2 EEPROM USART audio and MicroSD card Figure 3 and Figure 4 help you to locate the
19. put and output assignment STM8L101 STM8L101 EVAL pin STM8L101 6 STM8L101 EVAL number name assignment pin number Pimname assignment 1 PA1 NRESET RESET 17 PB4 SD_card_CS 2 PA2 Unused 18 PB5 SPI_SCK 3 Unused 19 PB6 SPI MOSI 4 PA4 Joystick down 20 PB7 SPI MISO 5 PAS User button 21 PD4 LED 1 6 PA6 COMP_REF 22 PD5 LED 2 7 VSS GND 23 PD6 LED 3 8 VDD VDD 24 PD7 Joystick select 9 PDO Audio PWM out 25 PCO SDA E2P 10 PD1 LCD CS 26 PC1 SCL E2P 11 PD2 CMP2 Potentiometer 27 PC2 USART RX 12 CMP2 VREF 28 USART TX 13 PBO Bi color LED 29 PC4 VREF_CTRL 14 PB1 Joystick left 30 15 PB2 Joystick right 31 16 PB3 32 Pao SWIM Beep 24 26 Doc ID 15312 Rev 2 UM0629 Revision history 5 Revision history Table 14 Document revision history Date Revision Changes 29 Jan 2009 1 Initial release Removed STice and IrDA functionality Modified Section 2 5 06 Nov 2009 2 Section 2 6 Table 2 Table 3 Table 6 Table 12 Table 13 Figure 2 Figure 3 Figure 4 all schematics and Appendix A Doc ID 15312 Rev 2 25 26 UM0629 Please Read Carefully Information in this document is provided solely in connection with ST products STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections modifications or improvements to this document and the products and services described herein at any time without notice
20. se features on the actual evaluation board Hardware block diagram 2 EEPROM SWIM connector Bi color LED LED s Joystick Push button Potentiometer 50149 STM8L1 L2 MB Extension connector Audio circuit 5232 RS232 transceiver connector Level MicroSD card translator LCD Economic Measurement 5V power jack 1 8 to 3 3V 3 3V regulator regulator STM8L1 L2 MB MB709 STM8L101 MCU STM8L1 DB MB710 Doc ID 15312 Rev 2 5 26 Overview UM0629 Figure 3 5 811 12 motherboard layout CN3 CN4 daughterboard connectors CN6 SWIM ERNI cable alternative CN5 SWIM m om ut Gr f gt rca t mo La Jm 2 Lo T gt VDD RESET Joystick KEY adjustment RV1 Potentiometer CN8 USART U2 Dot matrix CN1 Micro SD card CN9 Audio jack CN10 5V power LCD 6 26 Doc ID 15312 Rev 2 UM0629 Overview Figure 4 STM8L1 daughterboard layout CN1 CN2 motherboard connector CN2 1 2 PC2 MB710 R2 RST PD7 PDS DSV si 8
21. served 10 GND 11 RESET 12 Reserved 13 Reserved 14 Reserved 15 PD7 16 Reserved 17 PD5 18 PD6 19 D5V 20 PD4 21 NC 22 PB7 23 NC 24 MCU_VDD 25 PB6 26 PB5 27 PB4 28 Reserved 29 Reserved 30 GND 31 Reserved 32 Reserved 33 Reserved 34 Reserved 35 Reserved 36 Reserved 2 14 14 26 SWIM connectors CN5 and CN6 CN6 is a low cost 2 54 mm pitch connector to be used by customers who do not have the ERNI cable Figure 7 SWIM debugging connector CN5 viewed from above PCB Fe LI c Table 10 SWIM debugging connectors CN5 CN6 Pin number Description Pin number Description 1 VDD 2 3 GND 4 RESET Doc ID 15312 Rev 2 UM0629 STM8L1 L2 motherboard 2 15 RS 232 connector CN8 Figure 8 RS 232 connector CN8 viewed from front 6259 52 0 6 7 8 9 Table 11 RS 232 connector CN8 Pin number Description Pin number Description 1 6 Connect to Pin 4 2 USART RXD PC2 7 Connect to Pin 8 3 USART_TXD PC3 8 Connect to Pin 7 4 Connect to Pin 6 9 NC 5 GND 2 16 Audio jack CN9 3 5 mm mono audio jack CNO9 is available on the motherboard The speaker U9 is bypassed when an earphone is plugged into CN9 is compatible with audio plug NYS231 from NEUTRIK 2 17 Power connector CN10 The motherboard can be powered from a DC 5 V power supply via the externa
22. the right 123 default setting JP2 position is called PEO on the silk screen e eje 2 12 MicroSD connector CN1 Figure 6 MicroSD connector CN1 viewed from front 12 26 Doc ID 15312 Rev 2 UM0629 STM8L1 L2 motherboard Table 7 MicroSD connector CN1 Pin number Description Pin number Description 1 Reserved 5 SCLK PB5 2 CS PB4 6 Vss GND 3 DI PB6 7 DO PB7 4 VDD 8 Reserved 9 GND 10 Not used 2 13 Daughterboard extension connectors CN3 and CN4 Two 36 pin male headers CN3 and CN4 can be used to connect the daughterboard to the motherboard All GPI Os are available on it Please refer to Table 8 and Table 9 for pin out definition Table 8 Daughterboard extension connector CN3 Pin number Description Pin number Description 1 GND 2 PC4 3 PC5 4 PC6 5 Reserved 6 Reserved 7 Reserved 8 Reserved 9 PAO 10 GND 11 PA1 12 PA2 13 Reserved 14 15 Reserved 16 Reserved 17 4 18 Reserved 19 GND 20 PA5 21 Reserved 22 PA6 23 Reserved 24 Reserved 25 PDO 26 Reserved 27 PD2 28 PD1 29 PD3 30 GND 31 NC 32 NC 33 PBO 34 PB1 35 PB2 36 PB3 Doc ID 15312 Rev 2 13 26 STM8L1 L2 motherboard 0 0629 Table 9 Daughterboard extension connector CN4 Pin number Description Pin number Description 1 GND 2 PC3 3 PC2 4 PC1 5 PCO 6 Reserved 7 Reserved 8 Reserved 9 Re
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