ST STEVAL-IFS002V1 Bedienungsanleitung
November 2007 Rev 3 1/17
UM0376
User manual
STEVAL-IFS002V1
STR9 MEMS extension
Introduction
This user manual describes the STEVAL-IFS002V1 STR9 MEMS extension hardware. As
well as the block diagram and schematics of the extension, a bill of materials and assembly
instructions are also included.
The STR9 MEMS extension provides an STR9 dongle-based application with a MEMS
sensor. MEMS (micro-electro-mechanical system) exploits the mechanical properties of
silicon to create movable structures that, in the case of MEMS-based motion sensors, are
able to sense motion (acceleration or vibration) in distinct directions.
The extension board used here can be assembled with several types of digital MEMS
sensors as well as analog ones. For data storage, there is assembly space for ST serial
Flash. The integration of voltage regulators and operational amplifiers is optional and
depends on the intended chip usage.
Figure 1. STR9 MEMS extension
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Contents UM0376
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Contents
1 STR9 MEMS extension Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 MEMS footprints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 LGA8 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2 LGA14 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.3 LGA16 (D) package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 LGA16 (A) package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5 QFN28 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 Bill of materials and assembly instructions . . . . . . . . . . . . . . . . . . . . . 11
5.1 Assembly information for analog MEMS . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Assembly information for digital MEMS . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.3 Assembly information for serial memory . . . . . . . . . . . . . . . . . . . . . . . . . 12
6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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UM0376 STR9 MEMS extension Block diagram
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1 STR9 MEMS extension Block diagram
This board is based on STR9 dongle. The main board features are the following:
●Analog MEMS:
– LGA8 (LIS2L02AL, LIS2L06AL, LIS3L02AL, LIS3L06AL)
– LGA14 (LIS302ALB)
– LGA16 (LIS3L02AL3)
●Digital MEMS:
– LGA14 (LIS302DL)
– LGA16 (LIS3LV02DL)
– QFN28 (LIS3L02DQ, LIS3LV02DQ)
●Serial Flash/EEPROM memory
– SO8 (M95xx, M25xx, M34xx)
●Voltage regulator
– SOT23-5L (LD2980CMxx)
●Operational amplifier
– SOT23-5L (TS507ILT)
Figure 2 shows the dongle block diagram.
Figure 2. STR9 dongle block diagram
ANALOG_CONNECTOR
10 x GPIO
8 x Ain
2 x ExtINT
OA OA OA OA STAB
LGA14 LGA8 LGA16
LGA14 QFN28 LGA16 MEMORY
STAB STAB
DIGITAL_CONNECTOR
16 x GPIO
I2C & SPI
2 x ExtINT
xy zmix
Analog MEMS
Digital MEMS
I2CSPI
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Schematics UM0376
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2 Schematics
Figure 3. STR9 dongle schematics
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
Title
Number RevisionSize
A3
Date: 21.2.2007 Sheet of
File: D:\STR9_DONGLE\..\STR9_MEMS_MODULE.SchDocDrawn By:
P55
P80 P81
P82 P83
P22 P84
P23 P85
P24 P86
P87 P25
P26
1 2
3 4
5 6
7 8
910
11 12
13 14
15 16
17 18
19 20
CN4
DIGITAL_CON
P41
P42
P43
P44
P45
P46
P47
P77
P76
1 2
3 4
5 6
7 8
910
11 12
13 14
15 16
17 18
19 20
CN5
ANALOG_CON
P40
3V3
P54
3V3
RES(Vdd) 1
RES(Vdd) 2
S0 3
S1 4
ST 5
PD 6
Voutx
7
Vouty
8
Voutz
9
GND
10
Vout
11
Aux_in
12
Vdd
13
RES(Vdd) 14
U1
LIS302ALB
Vdd_io 1
GND 2
Vcc 3
GND 4
GND 5
Vcc 6
CS
7
INT_1
8
INT_2
9
GND
10
GND
11
SDO
12
SDA/SDI
13
SCL_SPC 14
U4
LIS302DL
Vcc
Vcc
P40mems
P41mems
P42mems
P43mems P46
P47
P44
P76
Vcc
VddVddVdd
P55
P54
SCL_SPC
I2C1_DATA
SSP0_MISO
SSP0_MOSI
Vcc 8
HOLD^/RESET^/WC 7
C/C/SCL 6
D/D/SDA 5
S^/S^/E0
1
Q/Q/E1
2
W^/TSL^/E2
3
Vss
4
M95xx/M25xx/M34xx
U7
M95xx/M25xx/M34xx Vmm
I2C1_CLK
I2C1_DATA
SSP0_SCLK
SSP0_MOSI
SSP0_MISO
SDA/SDI
SSP0_MISO
SCL_SPC
SDA/SDI
SDA/SDI
SSP0_SCLK I2C1_CLK SCL_SPC
P87
P85
P86
Voutx
7
Vouty
6
FS/NC
5
ST 1
Voutz/FS/NC 2
GND 3
Vdd 8
RES
4
LIS3/2L06/2AL
U2
LIS3/2L06/2AL
Vcc
P40mems
P41mems
P45
P44
P42mems
RDY/INT 1
SDO 2
SDA/SDI/SDO 3
Vdd_io 4
SCL/SPC 5
CS 6
NC
7
CK
8
GND
9
RES
10
Vdd
11
RES
12
Vdd
13
GND
14
RES 15
GND 16
U6
LIS3LV02DL
Vdd
Vdd
SSP0_MISO
P54
SDA/SDI
SCL_SPC
P82
P80
ANALOG MEMS
DIGITAL MEMS
I2C/SPI EEPROM/FLASH MEMORY
STABILIZATOR FOR ANALOG MEMS (OPTIONAL)
GND 1
Vdd 2
Voutx 3
ST 4
Vouty 5
PD
6
Voutz
7
FS
8
RES
9
RES
10
RES
11
Vdd
12
GND
13
NC 14
NC 15
NC 16
U3
LIS3LV02AL3
Vcc
P40mems
P44
P41mems
P77
P42mems
P45
Vcc
Vdd
Vdd
Vdd
Vdd
NC
1
GND
2
Vdd
3
RES
4
GND
5
RDY/INT
6
NC
7
NC
8
SDO
9
SDASDI/SDO
10
Vdd_io
11
SCL/SPC
12
CS
13
NC
14
NC 15
CK 16
GND 17
RES 18
Vdd 19
RES 20
NC 21
NC 22
NC 23
NC 24
NC 25
NC 26
NC 27
NC 28
U5
LIS3LV02DQ
SSP0_MISO
SDA/SDI
SCL_SPC
P81
P55
OPERATIONAL AMPLIFIER
C10
100nF
C20
100nF
C30
100nF
Vcc
C40
100nF
C50
100nF
C60
100nF
Vdd
C80
100nF
C81
100nF
C82
100nF
Vcc
Vcc Vcc Vcc
P42
P41
P40
P42
P41
P40
R80
0
R81
0R82
0
P40mems P41mems P42mems
OUT
1
GND
2
IN+
3
Vcc 5
IN- 4
U80
TS507ILT
OUT
1
GND
2
IN+
3
Vcc 5
IN- 4
U81
TS507ILT
OUT
1
GND
2
IN+
3
Vcc 5
IN- 4
U82
TS507ILT
Vin
1
GND
2
INHIBIT
3
Vout 5
NC 4
U10
LD2980CMxx
Vcc3V3
3V3
X7R
C101
2.2uF
X7R
C100
1uF
C70
100nF
C102
10nF
Vmm
Vcc
R100
0
Vcc
3V3
STABILIZATOR FOR DIGITAL MEMS (OPTIONAL)
Vin
1
GND
2
INHIBIT
3
Vout 5
NC 4
U11
LD2980Cxx
Vdd3V3
3V3
X7R
C111
2.2uF
X7R
C110
1uF C112
10nF
Vdd
R110
0
Vdd
3V3
STABILIZATOR FOR MEMORY (OPTIONAL)
Vin
1
GND
2
INHIBIT
3
Vout 5
NC 4
U13
LD2980CMxx
Vmm3V3
3V3
X7R
C131
2.2uF
X7R
C130
1uF C132
10nF
Vmm
R130
0
Vmm
3V3
Vcc
P43
P43
R83
0
P43mems
OUT
1
GND
2
IN+
3
Vcc 5
IN- 4
U83
TS507ILT
C83
100nF
C84
10nF
C85
10nF C86
10nF
C87
10nF
Vcc
R85
10k
R84
10k
R87
10k
R86
10k
R89
10k
R88
10k
R91
10k
R90
10k
C51
100nF
C52
100nF
C41
100nF
C61
100nF
C71
10nF
R01 4k7
R02 4k7
Vdd
Vdd
X7R
C103
10uF
C11
2.2uF
C21
2.2uF
C31
2.2uF
3V3
P27
R03 4k7
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UM0376 MEMS footprints
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3 MEMS footprints
3.1 LGA8 package
Figure 4. MEMS footprint (LGA8 package)
Table 1. Mechanical data
Symbol Dimension Unit
Xs 0.79 mm
Ys 1.35 mm
Xm 1.81 mm
Ym 1.81 mm
Yd 1.27 mm
Height 5.0 mm
Width 5.0 mm
Ym
Xm
ai14147
Yd
Ys
Xs Width
Height
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UM0376 MEMS footprints
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3.3 LGA16 (D) package
Figure 6. MEMS footprint (LGA16 (D) package)
Table 3. LGA16 (D) mechanical data
Symbol Dimension Unit
Xs 0.65 mm
Ys 0.975 mm
Xm 3.25 mm
Ym 1.7 mm
Xd 1.0 mm
Yd 1.0 mm
Height 4.4 mm
Width 7.5 mm
Ym
Xm
ai14149
Ys
Xs Width
Height
Xd
Yd
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MEMS footprints UM0376
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3.4 LGA16 (A) package
Figure 7. MEMS footprint (LAG16 (A) package)
Table 4. Mechanical data
Symbol Dimension Unit
Xs 0.64 mm
Ys 0.975 mm
Xm 2 mm
Ym 2 mm
Xd 0.8 mm
Yd 0.8 mm
Height 5.0 mm
Width 5.0 mm
Ym
Xm
ai14150
Yd
Ys
Xs Width
Height
Xd
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UM0376 MEMS footprints
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3.5 QFN28 package
Figure 8. MEMS footprint (QFN28 package)
1. Draft only. Not all the 28 pins are shown.
Table 5. Mechanical data
Symbol Dimension Unit
Xs 0.5 mm
Ys 0.725 mm
Xm 3.225 mm
Ym 3.225 mm
Xd 0.8 mm
Yd 0.8 mm
Height 7.0 mm
Width 7.0 mm
Ym
Xm
ai14151
Yd
Ys
Xs Width
Height
Xd
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