The site’s FAQ  and the following documents will help you understand and use your EvoPrimer for STM32L152VB:

Downloads

• Open4 Base user manual (last updated 06/01/2010) Start enjoying in just a few quick steps.
• EvoPrimer for STM32L152VB user manual (last updated 09/08/2011) Start developing in just a few quick steps.
• Open4 base schematics (last updated 06/11/2010) Show implementation of all base features.
• STM32L152VB Target Board schematics (last updated 09/08/2011) Show implementation all target board features.
• Primer_Upgrade v4.32 - (last updated 09/19/2012) Download the original CircleOS firmware installation including GUI, MEMs controls, example applications (sources are not included, for that goto the project list).

Extracted from the Target Board's bill-of-materials:

#	Reference	Manufacturer	Description	Link
U4	STM32L152VBT6	STMicroelectronics	STM32 ARM Cortex M3 microcontroller EnergyLite (128K FLASH)	Official STM32L page Datasheet Application notes
U1	SX8724E082TDT	SEMTECH	Sensor transducer	datasheet
U2	USBLC6-2SC6	STMicroelectronics	ESD protection	datasheet
U3	ST619LBDR	STMicroelectronics	5V pump charge regulator	datasheet
U5	LK112SM33TR	STMicroelectronics	3.3V Step up regulator	datasheet
U6	74V1G04CTR	STMicroelectronics	Single inverter	datasheet
U7	TS49901ST	STMicroelectronics	Audio amplifier	datasheet
T1	STLM20W87F	STMicroelectronics	Temperature sensor	datasheet
T2	US-9111-H15-8	Uni Sense Technology	Pressure sensor	datasheet
C30	DG09122	D.G.Electronics	LCD 3 x 14 segments	datasheet
C13	MS621FE	Seiko	Lithium battery	datasheet
D1, D2, D3, D4, D7	BAT60	STMicroelectronics	Schottky diode	datasheet
L2	MLS0805-4S4-300	Ferroxcube	Ferrite MLS	datasheet
JP1	KSR211GLFS	C&K	Tactile button	datasheet

Extracted from the Base unit's bill-of-materials:

#	Reference	Manufacturer	Description	Link
U1	M74HC4066	STMicroelectronics	Quad bilateral switch	datasheet
U3	STM32F103VET6	STMicroelectronics	STM32 microcontroller (embedded RLinkP)	datasheet
U5	LIS3LV02DL	STMicroelectronics	MEMS INERTIAL SENSOR: 3-Axis - ± 2g/± 6g Digital Output Low Voltage Linear Accelerometer	datasheet Application notes
U6	USBLC6-2SC6	STMicroelectronics	ESD protection	datasheet
U7	TFDU4300-TR1	Vishay	IrDA transceiver module	datasheet
U8	L6924D	STMicroelectronics	Battery Supervisor	datasheet
U12,U15	74V1G02STR	STMicroelectronics	Logical NOR gate	datasheet
U17	L5980	STMicroelectronics	Step Down regulator	datasheet
J7	LCM-TGG000240YP04-24	WINSTAC Display	320x240 color LCD with touchscreen	datasheet datasheet
D1, D5, D6, D7	BAT60	STMicroelectronics	Schottky diode	datasheet
D2	BAT54J	STMicroelectronics	Schottky diode	datasheet
D8	SM2T3V3A	STMicroelectronics	3V3 Transil Diode	datasheet
D9	SM2T6V8A	STMicroelectronics	6V8 Transil Diode	datasheet
T1	Battery Li-Ion	LIPNEG	Li-Ion battery 400mA	datasheet
K1	WM-61B	Panasonic	Microphone	datasheet
K2	KDMG20008	Kingstate	Loud speaker	datasheet
SW1	TPA511GLFS	C&K	Multi-direction switch	datasheet
JP1	ALPS SSSS213100	ALPS	Mini slide switch	datasheet
Q5	BSS123	Fairchild	Channel N MOFSFET	datasheet