STEVAL-ICV001V1
Sound/voice playback demonstration board based on the ST7LITE02Y0
Data Brief

Features

1% calibrated on-chip RC oscillator Low-voltage detector (LVD) on chip Small footprint Low-power operation Supports lower density serial Flash if fewer messages needed Order of filter can be reduced for further cost savings

Description
This board demonstrates how to add audio playback to any application using a generalpur pose ST7 microcontroller. The audio player demonstration board reconstructs audio signals through the PWM of the ST7FLITES2 microcontroller, and a serial Flash is used to store the audio data in a binary file format. Once the data is stored, the microcontroller reads it through an SPI interface and generates the sound using the PWM feature. A sixth order low-pass filter removes any unwanted high-frequency components from the signal before passing it to a speaker.

STEVAL-ICV001V1

August 2008

Rev 1

1/5
www.st.com 5

For further information contact your local STMicroelectronics sales office.

1

1

GN D

1

3

1

2

D I OD ESTP ST STPS140A D PAK3 U2 MI C R OC ON TR OLLER ST ST7LI TE02Y 0B6

2

C1 0. 1 UF 50V CERAMIC KEMET C 0805C 104Z 5U AC TU

2

2

VD D

3P3V R ST_N 3 R ST SS/ AI N 0/ PB0 SC K/ AI N 1/ PB1 MI SO/ AI N 2/ PB2 MOSI / AI N 3/ PB3 C LKI N / AI N 4/ PB4 PA6/ MC O/ I C C C LK 10 9 I D X_N LED PCB PLACEMENT I C C C LK PA5(H S)/ I C C D ATA 11 GROUND GUARD I C C D ATA PA4(H S) 12 LC 3 LC 0 1 2 PA3(H S) 13 LC 2 PAT2(H S)/ ATPW M0 14 APW M APW M PA1(H S) 15 LC 1 LC 1 1 PA0(H S)/ LTI C 4 5 6 7 8 16 2 SC K MI SO MOSI PLAY _N C 4 0. 1 UF 50V CERAMIC KEMET C 0805C 104Z 5U AC TU F SEL_N LC 0

2

1

R 1 10K Y AEGO 9C 08052A1002F KH F T

2

8

2

1

D

VC C

MOSI 3P3V

5

Q

2

MI SO

LED-4

LED-3

LED-2

6

C F SEL_N MI SO W P_N 1 2 3 4 P1 P2 P3 P4 H LD _N SC K MOSI P8 P7 P6 P5 8 7 6 5

U3

H LD _N

7

ADD "FILE INDEX" UNDERNEATH LED'S ON SILKSCREEN

H OLD

U5 8-MBI T FLASH SO8W ST M25P80-VMW 6

W P _N

3

FILE INDEX CONFIGURATION NOTES:
USE INTERNAL LVD RESET USE INTERNAL 1% 1-MHz RC OSCILLATOR CLOCK SOURCE

W SO8 WIDE ZIF SOCKET EMU LATI ON TECHNOLOGY S-SOP-00-008-B

1

R 2 10K Y AEGO 9C 08052A1002F KH F T

4

VSS

F SEL_N

1

S

MARKED U3A ON SILKSCREEN

LED-1

SC K

1

VSS

2

3P3V

3P3V

1 2

R 3 10K Y AEGO 9C 08052A1002F KH F T

1

1

R 4 10K Y AEGO 9C 08052A1002F KH F T

R 5 10K Y AEGO 9C 08052A1002F KH F T

T h e use of Pin-7 of the ICC c onnector depends on the P r ogramming Tool architecture. T h is pin must be connected when u s ing most ST Programming Tools ( it is used to monitor the a p p lication power supply). Please r e fer to the Programming Tool manual.

2

1

2

2

1

R 6 100K PAN ASON I C ER J -6GEY J 104V

1

2

2

2/5

Board schematic

Figure 1.

3P3V 3P3V LED 4 GR EEN LED 0805 LI TEON LTST-C 170GKT 3 LC 3 1 2 LA3 C 3 0. 1 UF 50V CERAMIC KEMET C 0805C 104Z 5U AC TU LED 3 GR EEN LED 0805 LI TEON LTST-C 170GKT 3P3V APWM SHOULD BE ROUTED WITHIN A GROUND GUARD OR POURED GROUND PLANE 1 2 LED 2 GR EEN LED 0805 LI TEON LTST-C 170GKT 2 LA1 LC 2 LA2 1 2 3 4 R P1 8 7 6 5 R ES ARRAY 220 C TS 743C 083221J

J1 1 VI VO

D1

U 1 3. 3 VREG ST ST-KF 33BD T 497-1148-1-N D

1

2

1

2

POW ER JACK 2.5 MM C U I PJ -102B

C2 10 UF CER 25V PAN ASON I C EC J -3Y B1E106M

SOCKET PART
LED 5 GR EEN LED 0805 LI TEON LTST-C 170GKT 160-1179-1-N D 1 2 1

Board schematic

J 2 N OT INSTALLED MOLEX 22-28-4024 3P3V POWER-ON INDICATOR R 10 220 Y AEGO R C 0805J R -07220R L

3P3V

1 2

LED 1 GR EEN LED 0805 LI TEON LTST-C 170GKT LA0

PA7

Voice annunciation: schematic 1

Z I F SO8-WIDE
CONFIGURE PLL TO 8X FOR 8-MHz INTERNAL CLOCK

SOCKET

J 3 2 PIN HDR 3P3V MOLEX 22-28-4024

3P3V

I C C D ATA I C C C LK R ST_N VD D API I C C OSC 1 3 5 7 9 2 4 6 8 10 J 4 H EAD ER 2X5 MOLEX 10-89-1101

I D X_N SW 2 1 PU SH BUTTON SPST PAN ASON I C EVQ-P2K02Q 2 4 3

PLAY _N

SW 1

1

3

PU SH BUTTON SPST PAN ASON I C EVQ-P2K02Q

J 5 2 PIN HDR MOLEX 22-28-4024

2

4

P i n-9 has to be connected to the C L KIN pin of the ST7 when the clock i s not available in the application o r if the selected clock option is n o t programmed in the option byte.

1 2

PLAY _N

J6

3P3V

H EAD ER 1X6 MOLEX 22-28-4064 MOSI SC K MI SO F SEL_N R 7 100K PAN ASON I C ER J -6GEY J 104V

STEVAL-ICV001V1

P1 P2 P3 P4 P5 P6

1 2 3 4 5 6

STEVAL-ICV001V1 Figure 2.

APW M

C 11 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A 2 1 1 2 3 4 2 C 12 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A 1 8 7 6 5

R P2 R ES ARRAY 1.8K C TS 743C 083182J TR

C8 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A

APWM SHOULD BE ROUTED WITHIN A GROUND GUARD OR POURED GROUND PLANE

1

2

C 13 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A

1 R P3 R ES ARRAY 1.8K C TS 743C 083182J TR 3P3V 2 1 1 2 3 4 2 1 1 8 7 6 5 C 14 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A

2

C 15 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A

1

2

1

Voice annunciation: schematic 2

1 2

2

C 16 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A

1 2 C6 220 UF 10V PAN ASON I C EC E-V1AA221P 6 V+ 4 2

C 17 0. 01 UF 50V 10% CERAMIC AVX 08055C 103KAT2A

C5 0. 022 UF 50V CERAMIC AVX 08055G223Z AT2A

C 7 0. 1 UF 50V CERAMIC KEMET C 0805C 104Z 5U AC TU

C 18 0. 1 UF 50V CERAMIC KEMET C 0805C 104Z 5U AC TU 3 R 9 10K POT PAN ASON I C EVU -F 2AF 30D 14 2 1 2

+I N 7 -I N 2 MU TE

SVR

8

C9 OU T 5 1 2 1 2 3

LOW-COS T LOW-PASS FILT ER
1 1 1 R 8 10K Y AEGO 9C 08052A1002F KH F T 2 2

J 7 SPEAKER JACK C U I INC MJ -2506N C P-2506N -N D

GN D

GN D 2

220 UF 10V PAN ASON I C EC E-V1AA221P 1 C 10 100 UF 6.3V CERAMIC N I C H I C ON U W X0J 101MC L1GB 3 U4 AU D I O AMP ST TD A7233D

1 2 1

C 19 0. 1 UF 50V CERAMIC KEMET C 0805C 104Z 5U AC TU

R 11 4. 7 Y AEGO R C 0805J R -074R 7L 2

NOTE : D E F A U L T CONFIG RATION U 6 T H O R D E R FIL TER C 1 6 THROUGH C17 N O T INSTAL LED

E X T E R AL N S P E A ER K

Board schematic

3/5

Revision history

STEVAL-ICV001V1

2

Revision history
Table 1.
Date 21-Aug-2008

Document revision history
Revision 1 Initial release Changes

4/5

STEVAL-ICV001V1

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5/5

Document Number: 14966



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