ST STM32L User Manual
STM32L ultralow power discovery board
Features
■ STM32L152RBT6 microcontroller featuring
128 KB Flash, 16 KB RAM, 4 KB EEPROM, in
an LQFP64 package
■ On-board ST-Link/V2 with selection mode
switch to use the kit as a standalone
ST-Link/V2 (with SWD connector for
programming and debugging)
■ Board power supply: through USB bus or from
an external 3.3 or 5 V supply voltage
■ External application power supply: 3 V and 5 V
■ I
■ LCD
■ Four LEDs:
■ Two pushbuttons (user and reset)
■ One linear touch sensor or four touchkeys
■ Extension header for LQFP64 I/Os for quick
current measurement
DD
– DIP28 package
– 24 segments, 4 commons
– LD1 (red/green) for USB communication
– LD2 (red) for 3.3 V power on
– Two user LEDs, LD3 (green) and LD4
(blue)
connection to prototyping board and easy
probing
STM32L-DISCOVERY
Table 1. Device summary
Data brief
Description
The STM32L-DISCOVERY helps you to discover
Order code Description
STM32L-DISCOVERY
STM32L ultralow power
discovery board
the STM32L ultralow power features and to
develop and share your applications.
It is based on an STM32L152RBT6 and includes
an ST-Link/V2 embedded debugging tool
interface, an LCD (24 segments, 4 commons),
LEDs, pushbuttons, a linear touch sensor or
touchkeys.
May 2011 Doc ID 018775 Rev 2 1/3
For further information contact your local STMicroelectronics sales office.
www.st.com
3
System requirements STM32L-DISCOVERY
1 System requirements
● Windows PC (2000, XP, Vista, 7)
● USB type A to Mini-B USB cable
2 Development toolchain
● Altium TASKING™ VX-Toolset
● Atollic TrueSTUDIO
●
IAR EWARM
● Keil™ MDK-ARM
®
3 Demonstration software
The demonstration software is preloaded in the board Flash memory. It uses the built-in IDD
measurement and touch sensing feature of the STM32L-DISCOVERY to automatically
measure and display on the LCD the microcontroller consumption in run and low-power
modes.
The latest versions of the demonstration source code and associated documentation can be
downloaded from www.st.com/stm32l-discovery.
4 Revision history
Table 2. Document revision history
Date Revision Changes
29-April-2011 1 Initial release.
11-May-2011 2 Replaced slider by linear touch sensor and touch key by touchkey.
2/3 Doc ID 018775 Rev 2
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