ST MKI029V1 User Manual

based on the STM8S207R6 MCU and LIS331DLH MEMS

Features

■ Detects and provides visual/audio

representation of: – tilt on X axis – tilt on Y axis – circular motion of the board – free-fall of the board

■ Displays motion information using multi-

colored LEDs or music/rhythm patterns

■ Provides six different operating modes

■ Offers a standby function for low power

consumption

■ Monitors the 3 AAA batteries and displays their

status on the LEDs

■ Provides additional MCU I/Os for future

extensions

■ Equipped with a SWIM connector for

debugging capability

■ Compliant with RoHS directives

Description

The STEVAL-MKI029V1 inclination analysis board is a handheld demonstration board which detects the tilt on X-axis and tilt on Y-axis. The visual representation of this information is done using colored LEDs placed in two circles.

The system can detect the free-fall of the board and display the information for this event on the bi-color LED at the center of the board.

The system can also be configured to detect the circular motion of the board, in which LED patterns are generated depending on board movement.

The STEVAL-MKI029V1 also features a demonstration mode. In this mode, different LED patterns are displayed irrespective of the position/motion of the board, making the system suitable for exhibitions and seminars.

STEVAL-MKI029V1

Inclination analysis demonstration board

Data brief

STEVAL-MKI029V1

There are three musical modes in which music/rhythm is played based on the mode/motion of the board. There are also three silent modes, for a total of six different modes of operation.

The STEVAL-MKI029V1 can be switched from one mode to another by pressing the on-board MODE button. To reduce power consumption, the system automatically enters standby mode when there is no motion for more than 10 seconds. The system “wakes up” from standby when a vibration/motion is detected. The STEVALMKI029V1 also monitors the batteries, and allows the user to check their status at any time. When low battery is detected, the system alerts the user and enters into no operation to avoid the system malfunction.

The board is equipped with free MCU I/Os for the external interface, and a SWIM connector is included to provide in-circuit debugging capability.

The system can be powered using 3 AAA batteries of 1.5 V each. The board is of circular shape, with a diameter of 84 mm and a height of 26 mm.

The board is RoHS compliant.

June 2009 Doc ID 15631 Rev 2 1/4

For further information contact your local STMicroelectronics sales office.

www.st.com

Circuit schematics STEVAL-MKI029V1

1 Circuit schematics

Figure 1. Schematic diagrams

3V3

R351kR35

3V3

R19

220

R19

220

R16

220

R16

220

R14

220

R14

220R1220

LEDD1LED

PB0_LED1

PB1_LED2

220R2220

LEDD2LED

D13

PC1_LED13

PB2_LED3

220

R15

LED

D14

PC2_LED14

220R3220

LEDD3LED

PB3_LED4

220

D15

LED

PC3_LED15

220R4220R7220R7220

LEDD4LED

PB4_LED5

R17

LED

D16

PC4_LED16

220R5220

LEDD5LED

PB5_LED6

R18

220

D17

LED

PD0_LED17

220R6220

LEDD6LED

PB6_LED7

R21

220

R21

220

R20

220

R20

220

D18

LED

D18

LED

D20

LED

D20

LED

D19

LED

D19

LED

PD2_LED18

PD4_LED20

PD3_LED19

R12

220

R12

220

R11

220

R11

220

R10

220

R10

220

220R9220

220R8220

D12

LED

D12

LED

D11

LED

D11

LED

D10

LED

D10

LED

LEDD7LED

LEDD8LEDD9LEDD9LED

PB7_LED8

PF4_LED9

PF5_LED10

PF6_LED11

PF7_LED12

LED OUTER CIRCLE LED INNER CIRCLEMICROCONTROLLER SECTION

3V3

PC7_MEMS_MISO

PC6_MEMS_MOSI

PC1_LED13

PC2_LED14

PC3_LED15

PC4_LED16

PC5_MEMS_SCL

PE5_MEMS_CS

470nFC2470nF

PC641PC7

3V3

VSSIO_2

VDDIO_2

STM8S207R6T6U1STM8S207R6T6

PA4

PA3_BUZZER

PA5

PF7_LED12

PA6

PC134PC235PC336PC437PC5

PF6_LED11

PF5_LED10

PF4_LED9

PE5

PE6

PE7

PB0

PB1

PB2

PB3

PB4

PB5

PB6

PB7

PF0

VREF-

VSSA

VDDA

VREF+

PF3

3V3_A

PF3_BATT_STATUS

3V3

PI0

PG043PG144PG245PG346PG4

PG5

PG6

PG7

PE4

PE4_MEMS_INTR2

PE3

PE3_MEMS_INTR1

PE2

PE2_I2C_SDA

PE1

PE1_I2C_SCL

PE0

PD0

PD0_LED17

PD1

SWIM

PD2

PD2_LED18

PD3

PD3_LED19

PD4

PD4_LED20

PD5

PD5_SWITCH

PD6

PD6_LOWBAT

PD7

NRST1PA12PA23VSSIO_14VSS5VCAP6VDD7VDDIO_18PA39PA410PA511PA612PF713PF614PF515PF4

NRST

PA1

PA2

R13

4k7

R13

4k7

3V3

100nFC1100nF

MODE SWITCH SECTION BUZZER SECTION SWIM CONNECTOR

I2C_VDD

R22

4k7

R22

4k7

R23

4k7

R23

4k7

PE1_I2C_SCL

PE2_I2C_SDA

PE6_FREEFALL PE7_NOFREEFALL PB0_LED1 PB1_LED2 PB2_LED3 PB3_LED4 PB4_LED5 PB5_LED6 PB6_LED7 PB7_LED8

1uFC31uF

100nFC4100nF

INDUCTOR BEED

3V3

SWIM

GND

NRST

123

SWIM CONNJ1SWIM CONN

BZ1

BUZZER

R311kR31

PA3_BUZZER

3V3

C11

100nF

C11

100nF

SW1

MODE

SW1

MODE

R32

4k7

R32

4k7

PD5_SWITCH

3V3

R27

10k

R27

10k

R26

430k

R26

430k

15uHL215uH

1 2

PGOOD

VCC6SYNC

U2 L6926U2 L6926

R24

SW2

POWER SWITCH

VBAT

POWER SUPPLY SECTION

3 X AAA

BATTERIES

VFB

LBI

PD6_LOWBAT

4k7

BT1BT1

C8 +

4.7uF/6.3V

100nFC5100nF

4.7uF/6.3V+C8

4.7uF/6.3V

GND

COMP

POWER_GND

FREE FALL LED SECTION

EXTERNAL CONNECTOR

R28

2k2

R28

2k2

220pFC7220pF

R25

4k7

R25

4k7

GND

PF3_BATT_STATUS

R360R36

POWER_GND

3V3

R3447R34

PE6_FREEFALL

D21

BICOLOR_SMDLED

R3347R33

PE7_NOFREEFALL

3V3

GND

PA5

NRST

PA4

PA6

3V3

1234567

CON7J3CON7

3V3

PA1

GND

PE1_I2C_SCL

3V3

PA2

PE2_I2C_SDA

I2C_VDD

1234567

CON7J2CON7

3V3

R30

4k7

R30

4k7

R29

4k7

R29

4k7

PE3_MEMS_INTR1

PE4_MEMS_INTR2

PE3_MEMS_INTR1

GND

VDD

GND

VDD_IO1NC2NC3SCL4GND

100nFC9100nF

3V3

GND

INT 2

INT 1

PE5_MEMS_CS

PC7_MEMS_MISO

PC6_MEMS_MOSI

RESERVED

SDO

SDA

LIS331DLHU3LIS331DLH

GND

PC5_MEMS_SCL

3V3

C10

100nF

C10

100nF

3V3

MEMS SECTION

AM037990v1

2/4 Doc ID 15631 Rev 2

+ 2 hidden pages