STMicroelectronics STM32L152D-EVAL Manuale utente

March 2012 Doc ID 022868 Rev 1 1/56

UM1521

User manual

STM32L152D-EVAL

evaluation board

Introduction

The STM32L152D-EVAL evaluation board is a complete demonstration and development

platform for STMicroelectronic's ARM cortex-M3 core-based STM32L152ZDT6

microcontroller featuring two I2C, three SPI, five USART, 12-bit ADC, 12-bit DAC, LCD

driver, internal 48 KB SRAM and 384 KB Flash, touch sensing, USB FS, LCD controller,

FSMC and JTAG debugging support.

This board can be used as reference design for user application development but it is not

considered as final application. The full range of hardware features on the board helps you

evaluate all peripherals (USB FS, USART, audio DAC, microphone ADC, dot-matrix LCD,

LCD glass, IrDA, LDR, SRAM, NOR Flash, MicroSD Card, temperature sensor and so on)

and develop your own applications. Extension headers make it possible to easily connect a

daughterboard or wrapping board for your specific application.

An ST-LINK/V2 is integrated on the board as embedded in-circuit debugger and

programmer for the STM32 MCU.

Figure 1. STM32L152D-EVAL evaluation board

www.st.com

www.BDTIC.com/ST

Contents UM1521

2/56 Doc ID 022868 Rev 1

Contents

1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3 Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.4 Delivery recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1 Development and debug support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.3 Clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.4 Reset source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.5 Boot option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.6 LCD glass module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.7 Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.8 USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.9 RS-232 and IrDA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.10 Touch sensing slider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.11 MicroSD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.12 Serial EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.13 RF EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.14 SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.15 NOR Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.16 Analog input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.17 Comparator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.18 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.19 Display and input devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.20 IDD measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.20.1 Run mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.20.2 Low power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.20.3 Ibias current measurement procedure . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

www.BDTIC.com/ST

UM1521 Contents

Doc ID 022868 Rev 1 3/56

3.1 RS-232 connector CN1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.2 Power connector CN2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.3 TFT LCD connector CN4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.4 Daughterboard extension connector CN5 and CN10 . . . . . . . . . . . . . . . . 27

3.5 LCD glass daughterboard connectors CN6 and CN7 . . . . . . . . . . . . . . . 30

3.6 ST-LINK/V2 programming connector CN9 . . . . . . . . . . . . . . . . . . . . . . . . 31

3.7 ST-LINK/V2 USB type B connector CN14 . . . . . . . . . . . . . . . . . . . . . . . . 31

3.8 JTAG connector CN16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.9 Trace debugging connector CN11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.10 Audio jack CN13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.11 MicroSD connector CN3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.12 Analog input-output 2-pin connector CN8 . . . . . . . . . . . . . . . . . . . . . . . . 33

3.13 User USB type B connector CN15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

3.14 RF EEPROM daughterboard connector CN12 . . . . . . . . . . . . . . . . . . . . . 34

4 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Appendix A STM32L152D-EVAL I/O assignment . . . . . . . . . . . . . . . . . . . . . . . . . 49

Appendix B Mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

www.BDTIC.com/ST

Overview UM1521

4/56 Doc ID 022868 Rev 1

1 Overview

1.1 Features

●Four 5 V power supply options: Power jack, ST-LINK/V2 USB connector, user USB

connector or daughterboard

●Audio jack connected to I2S DAC, or STM32L152ZDT6 internal DAC

●Microphone connected to ADC using integrated op amp as amplifier

●2 GByte (or more) MicroSD Card on SDIO interface

●Temperature sensor and RF EEPROM on I2C compatible serial interface

●RS-232 interface configurable for communication or Flashloader

●IrDA transceiver

●JTAG and trace debug support, embedded ST-LINK/V2

●4 Kbit serial Flash, 512K x16-bit SRAM and 128 Mbit NOR Flash

●240x320 TFT color LCD connected to FSMC interface of STM32L152ZDT6

●Joystick with 4-direction control and selector

●Reset and Tamper or key button

●4 color user LEDs and 3 LEDs as MCU power range indicator

●MCU consumption measurement circuit

●LCD glass 40 x 8 segments connected to LCD driver of STM32L152ZDT6

●Extension connector for daughterboard or wrapping board

●MCU voltage choice of 3.3 V or adjustable from 1.65 V to 3.6 V

●USB FS connector

●Touch slider

●Light dependent resistor (LDR)

●One MCU integrated op amp configured as Sallen-Key 2nd order low pass filter

●One MCU integrated op amp configured as amplifier with adjustable gain

●One ADC / DAC input signal connector

●Potentiometer

1.2 Demonstration software

Demonstration software is preloaded in the board's Flash memory for easy demonstration of

the device peripherals in stand-alone mode. For more information and to download the

latest version available, please refer to the STM32L152D-EVAL demonstration software

available on www.st.com.

1.3 Order code

To order the STM32L152ZDT6 evaluation board, use the order code STM32L152D-EVAL.

www.BDTIC.com/ST

UM1521 Overview

Doc ID 022868 Rev 1 5/56

1.4 Delivery recommendations

Some verifications are needed before using the board for the first time to make sure that

nothing was damaged during shipment and that no components are unplugged or lost.

When the board is extracted from its plastic bag, please check that no component remains

in the bag.

The main components to verify are:

1. The 8 MHz crystal (X1) which may have been removed by a shock from its socket.

2. The MicroSD Card which may have been ejected from the connector CN3 (left side of

the board).

3. The dual-interface EEPROM board (ANT7-M24LR-A) which may have been unplugged

from the connector CN12 (top right corner of the board).

www.BDTIC.com/ST

Hardware layout and configuration UM1521

6/56 Doc ID 022868 Rev 1

2 Hardware layout and configuration

The STM32L152D-EVAL evaluation board is designed around the STM32L152ZDT6 (144-

pin TQFP package). The hardware block diagram Figure 2 illustrates the connection

between STM32L152D-EVAL and peripherals (LCD glass, Color LCD, Touch slider, USB FS

connector, Temperature Sensor, USART, IrDA, Audio, SRAM, Nor Flash, EEPROM,RF

EEPROM, MicroSD Card and embedded ST-LINK) and Figure 3 will help you locate these

features on the actual evaluation board.

Figure 2. Hardware block diagram

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www.BDTIC.com/ST

UM1521 Hardware layout and configuration

Doc ID 022868 Rev 1 7/56

Figure 3. Hardware block diagram

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www.BDTIC.com/ST

Hardware layout and configuration UM1521

8/56 Doc ID 022868 Rev 1

2.1 Development and debug support

Version 2 of the ST-LINK called ST-LINK/V2 is embedded on the board. This tool allows

program loading and debugging on the STM32L using a JTAG or SWD interface. Third-party

debug tools are also supported by JTAG connector CN16 and Trace connector CN11.

A specific driver must be installed on your PC for communication with embedded ST-

LINK/V2. To download and install this driver, use the install shield called ST-

LINK_V2_USBdriver.exe available on the Software and development tools page for ultra low

power STM32L family available on www.st.com.

Third-party toolchains support ST-LINK/V2 according to Ta b l e 1 .

The embedded ST-LINK/V2 is connected to the PC via a standard USB cable connected to

connector CN14. The bicolor LED LD5 (COM) advises on the communication status as

follows:

●Slow blinking Red LED/Off : At power on before USB initialization.

●Fast blinking Red LED/Off : After the first correct communication between PC and ST-

LINK/V2 (enumeration).

●Red LED On: When initialisation between PC and ST-LINK/V2 is successfully finished.

●Green LED On: After successful target communication initialization.

●Blinking Red/Green LED: During communication with target.

●Red LED On: Communication finished and OK.

●Orange LED On: Communication failure.

Note: It is possible to power the board via CN14 (embedded ST/LINK/V2 USB connector) even if

an external tool is connected to CN11 (Trace connector) or CN16 (external JTAG & SWD

connector).

Table 1. Third party support of ST-LINK/V2

Third party Toolchain Version

Atollic TrueSTUDIO 2.1

IAR EWARM 6.20.4

Keil MDK-ARM 4.20

Tasking VX-Toolset ARM Cortex-M 4.0.1

www.BDTIC.com/ST

UM1521 Hardware layout and configuration

Doc ID 022868 Rev 1 9/56

2.2 Power supply

The STM32L152D-EVAL evaluation board is designed to be powered by a 5 V DC power

supply and to be protected by PolyZen from a wrong power plug-in event.

It is possible to configure the evaluation board to use any of following four sources for the

power supply.

●5 V DC power adapter connected to CN2, the power jack on the board (power supply

unit (PSU) on silk screen). The external power supply is not provided with the board.

●5 V DC power with 500mA limitation from CN14, the USB type B connector of ST-

LINK/V2 (USB 5 V power source on silkscreen (ST-LINK/V2)).

●5 V DC power with 500mA limitation from CN15, the USB type B connector (USB 5V

power source on silkscreen (USB)).

●5 V DC power from CN10, the extension connector for daughterboard (daughterboard

power source on silkscreen (D5V)).

The LEDs indicate the following:

●LED LD9 is lit when the STM32L152D-EVAL board is powered by 5 V correctly.

●Red LED LD8 is lit when the MCU is powered by low voltage (VDD < 1.8 V).

●Yellow LED LD7 is lit when the MCU is powered by voltage (1.8 V < VDD < 2.2 V).

●Green LED LD6 is lit when the MCU is powered by voltage (2.2 V < VDD).

The power supply is configured by setting the related jumpers JP1, JP5 and JP10 as

described in Ta b le 2 .

Table 2. Power supply jumper settings

Jumper Description Setting

JP1

JP1 selects one of the four possible power supply sources.

– For power supply jack(CN2) to the STM32L152D-EVAL only, JP1 is set

as shown to the right:

STK

U5V

D5V

PSU

– For power supply from the daughterboard connectors (CN10) to

STM32L152D-EVAL only, JP1 is set as shown to the right:

– For power supply from USB (CN15) to STM32L152D-EVAL only, JP1

is set as shown to the right:

– For power supply from USB connector of ST-LINK/V2 (CN14) to

STM32L152D-EVAL only, JP1 is set as shown to the right:

(Default setting)

For power supply from power supply jack (CN2) to both STM32L152D-

EVAL and daughterboard connected on CN5 and CN10, JP1 is set as

shown to the right (daughterboard must not have its own power supply

connected)

www.BDTIC.com/ST

Hardware layout and configuration UM1521

10/56 Doc ID 022868 Rev 1

Note: Due to some peripheral component specifications, the low voltage limitations (component

will not work correctly when power level is under low voltage limitation) related to the

operating voltage of the peripherals are shown in Ta bl e 3 .

Note: The recommended AC220 V to DC5 V power adapter is the PSU-5V2A. It is not included

with the board but can be ordered from ST as a separate item. You can also use another

equivalent 5 V power adapter (polarity compatible with CN2) to power the STM32L152D-

EVAL board via the CN2 power jack on the board.

To order the recommended power supply, use the order code PSU-5V2A.

JP5

VDD is connected to fixed +3.3 V DC power when JP5 is set as shown to

the right: (Default setting)

VDD is connected to adjustable DC power from 1.65 V to 3.6 V when

JP5 is set as shown to the right:

JP10

VDD power is directly connected to MCU VDD when JP10 is set as

shown to the right (Default setting):

Note: For manual IDD measurement the jumper on JP10 must be

removed and replaced by an ampermeter connected between pin 1 and

2 of JP10.

Connect VDD power to MCU with current-sampling resister, 1 Ohm or

1 KOhm, in series for IDD current measurement when JP10 is set as

shown to the right:

Table 2. Power supply jumper settings (continued)

Jumper Description Setting

Table 3. Low voltage limitation

Peripheral Component I/O name Low voltage limitation

USB CN15 USB 3 V

MicroSD Card CN3 SDIO 2.7 V

SRAM U5 FSMC 2.4 V

EEPROM U25 SPI 1.8 V

RF EEPROM CN12 I2C 1.8 V

www.BDTIC.com/ST

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