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Hardware layout

UM1775

UM1775 Rev 4

6.1.2

ST-LINK/V2-1 firmware upgrade

ST-LINK/V2-1 embeds a firmware upgrade mechanism for in-situ upgrade through the USB
port. As the firmware may evolve during the life time of the ST-LINK/V2-1 product (for
example new functionalities, bug fixes, support for new microcontroller families), visiting the

www.st.com

website is recommended before starting to use the STM32L053 Discovery

board, then periodically to stay up-to-date with the latest firmware version.

6.1.3 VCP

configuration

ST-LINK/V2-1 supports the Virtual COM port (VCP). To enable this function, the solder
bridges SB2 and SB3 (See

Figure 3: Top layout

) for Mbed™ support are closed.

Solder bridges

indicates this with the ON state.

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Summary of Contents for 32L0358DISCOVERY

Page 1: ...dded ST LINK V2 1 debugger programmer linear touch sensor touchkeys IDD current measurement 2 13 E paper display NFC connector for the PLUG CR95HF B board LEDs push buttons and a USB Mini B connector...

Page 2: ...6 1 3 VCP configuration 14 6 1 4 Using ST LINK V2 1 to program debug the STM32L053C8T6 on board 15 6 1 5 Using ST LINK V2 1 to program debug an external STM32 application 16 6 2 Power supply and power...

Page 3: ...identification 32L0538DISCO 34 8 2 2 Product identification DK32L0538 AU1 34 8 3 Board revision history 34 8 3 1 MB1143 revision B 01 34 8 3 2 MB1143 revision B 03 34 8 4 Board known limitations 34 8...

Page 4: ...ing information 7 Table 2 Codification explanation 7 Table 3 ON OFF conventions 8 Table 4 Jumper states 13 Table 5 Debug connector CN5 SWD 16 Table 6 NFC connector pinout 21 Table 7 Solder bridges 25...

Page 5: ...ottom layout 12 Figure 5 Updating the list of drivers in device manager 13 Figure 6 STM32L053 Discovery board connections 15 Figure 7 ST LINK V2 1 connections 17 Figure 8 NFC board plugged on the STM3...

Page 6: ...connector NFC expansion connector for the PLUG CR95HF B daughterboard 2 54 mm pitch expansion header for direct access to various features of the STM32L053C8T6 microcontroller and easy probing of the...

Page 7: ...g of the codification is explained in Table 2 Table 1 Ordering information Order code Board reference Target STM32 STM32L0538 DISCO MB1143 STM32L053C8T6 Table 2 Codification explanation STM32L0XXY DIS...

Page 8: ...k of Apple Inc registered in the U S and other countries All other trademarks are the property of their respective owners c On Windows only d Free MDK ARM for Arm Cortex M0 M0 cores e Arm and Mbed are...

Page 9: ...L053C8T6 ultra low power microcontroller in the STM32L0 Series Before installing and using the product accept the Evaluation Product License Agreement from the www st com stm32l0 discovery webpage For...

Page 10: ...urrent measurement 2 13 E paper display NFC connector for PLUG CR95HF B board LEDs push buttons and an USB Mini B connector Figure 3 and Figure 4 help users to locate these features on the STM32L053 D...

Page 11: ...RX TX SB2 SB3 Linear touch sensor Touchkeys 3 V power supply output USB ST LINK ST LINK V2 1 USB USER RX TX JP3 Reserved JP1 Reserved JP2 Configuration BOOT0 Green LED LD3 Red LED LD4 User button B1...

Page 12: ...4 Bottom layout MSv34156V3 Reserved SB4 5 6 11 Default SB7 8 9 12 STM_RST SB10 RX TX SB14 15 X2 crystal SB18 19 Crystal X2 MCO SB20 OSC_IN SB21 Touch sensor SB23 24 25 26 27 28 B2 RESET SB29 STM32L05...

Page 13: ...able connected to SWD connector CN5 Section 6 1 5 6 1 1 Drivers ST LINK V2 1 requires a dedicated USB driver which for Windows 7 Windows 8 and Windows 10 is available from www st com In cases where th...

Page 14: ...ionalities bug fixes support for new microcontroller families visiting the www st com website is recommended before starting to use the STM32L053 Discovery board then periodically to stay up to date w...

Page 15: ...053C8T6 on board To program the STM32L053C8T6 on board simply plug in the two jumpers on CN4 as shown in Figure 6 in pink but do not use the CN5 connector as that could disturb the communication with...

Page 16: ...ation Simply remove the two jumpers from CN4 as shown in Figure 7 and connect the application to the CN5 debug connector according to Table 5 Note SB13 must be OFF if CN5 pin 5 NRST is used in the ext...

Page 17: ...er selection The power supply is provided either by the host PC through the USB cable or by an external 5 V power supply The STM32L053 Discovery board requires 300 mA from the host PC about 90 mA are...

Page 18: ...provides 100 mA to the board at that time During the USB enumeration the STM32L053 Discovery board requires 300 mA from the host PC If the host is able to provide the required power the target STM32 m...

Page 19: ...s order is not respected the board may be supplied by VBUS first then by 5V_IN or USB USER CN3 Consequently the following risks may be encountered 1 If more than 300 mA is needed by the board the PC m...

Page 20: ...rd A NFC Near Field Communication transceiver board can be connected to the STM32L053 Discovery board for example the PLUG CR95HF B board The NFC board is plugged in connector CN1 of STM32L053 Discove...

Page 21: ...and is able to switch off its power supply 6 7 JP4 IDD Jumper JP4 labeled Idd allows STM32L053C8T6 consumption direct measurement by a module on board able to measure from 100 nA to 50 mA or by remov...

Page 22: ...pull down R65 To set BOOT0 at level 1 use a configuration with a jumper between P2 6 BOOT0 and P2 5 VDD Note To set BOOT0 at level 1 continuously prefer to unsolder the resistor R65 to avoid a consump...

Page 23: ...e board can be powered through this USB USER connector in which case LED2 PWR lights up LED1 COM blinks and it can run an application in standalone mode The STM32L053C8T6 MCU controls the USB USER thr...

Page 24: ...tal not provided For typical frequencies and its capacitors and resistors please refer to the STM32L053C8T6 Datasheet The configuration needed is SB18 SB19 OFF X2 R70 R71 C47 C50 soldered Oscillator f...

Page 25: ...USER connector CN3 ON USB1_DP is connected to PA12 and USB1_DM is connected to PA11 Both are available as GPIO on P2 P3 headers SB23 24 25 26 27 28 touch sensor OFF PA2 PA3 PA6 PA7 PB0 PB1 are dedicat...

Page 26: ...be probed by an oscilloscope logical analyzer or voltmeter Table 8 Extension connectors MCU pin Board function Main function LQFP48 pin num SYSTEM VCP PushButtons LED NFC CR95HF B USB USER Linear touc...

Page 27: ...6 2 2 SB17 PA12 33 USB_DP 15 3 2 SB16 PA13 34 SWDIO 14 PA14 37 SWCLK 13 PA15 38 ePD1_CS 12 PB0 18 TS_G3_IO2 19 SB24 Table 8 Extension connectors continued MCU pin Board function Main function LQFP48 p...

Page 28: ...10 PB5 41 ePD1_MOSI 9 PB6 42 NFC_IRQINN 8 2 PB7 43 NFC_IRQOUTN 7 1 PB8 45 MFX_I2C_SCL 4 Table 8 Extension connectors continued MCU pin Board function Main function LQFP48 pin num SYSTEM VCP PushButto...

Page 29: ...SS 23 3 PB13 26 NFC_SCK 22 6 PB14 27 NFC_MISO 21 4 PB15 28 NFC_MOSI 20 5 PC13 2 MFX_IRQ_OUT 4 Table 8 Extension connectors continued MCU pin Board function Main function LQFP48 pin num SYSTEM VCP Push...

Page 30: ...V3 1 7 5V_IN 1 5V_OUT 3 VDD 24 VDD 5 VDD 48 VDD VDD_USB 36 VDD VDDA 9 VLCD 1 VDD VSS 23 GND 2 2 8 4 2 Table 8 Extension connectors continued MCU pin Board function Main function LQFP48 pin num SYSTEM...

Page 31: ...e depending on SBx value Refer to Table 7 Solder bridges 2 Connected through a resistor Table 8 Extension connectors continued MCU pin Board function Main function LQFP48 pin num SYSTEM VCP PushButton...

Page 32: ...Mechanical drawing UM1775 32 39 UM1775 Rev 4 7 Mechanical drawing Figure 12 STM32L053 Discovery board mechanical drawing...

Page 33: ...ot 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 custom...

Page 34: ...embeds the STM32L053C8T6 microcontroller with silicon revision code X or P or 1 The limitations of these silicon revisions are detailed in the errata sheet STM32L053x6 8 device errata ES0253 8 3 Boar...

Page 35: ...inst harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause...

Page 36: ...a Compliance Statements UM1775 36 39 UM1775 Rev 4 A 2 ISED Compliance Statement Compliance Statement ISED Canada ICES 003 Compliance Label CAN ICES 3 B NMB 3 B D claration de conformit tiquette de con...

Page 37: ...duct Warning This device is compliant with Class B of EN55032 CISPR32 In a residential environment this equipment may cause radio interference Avertissement cet quipement est conforme la Classe B de l...

Page 38: ...ection 4 1 3 VCP configuration 10 Sep 2021 4 Removed Electrical schematics and Demonstration software Added Chapter 8 32L0358DISCOVERY Discovery kit information Appendix A Federal Communications Commi...

Page 39: ...selection and use of ST products and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property right is granted...

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