Touch front panel and IR remote control with RTC demonstration

STEVAL-ILL029V2
Touch front panel and IR remote control with RTC demonstration
board based on the STLED325, STMPE24M31 and STM8S
Data brief
Description
The STEVAL-ILL029V2 demonstration board
shows the operation of the front panel
demonstration board based on the advanced
LED controller driver STLED325 and 8-bit
microcontroller STM8S as I2C master.
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4- digit , 7 segment (and decimal point)
LED display
8 x discrete LEDs
8 front panel touch keys for channel and
brightness up/down, OK, MENU, and
standby (in touch interface mode)
8-channel touch status type rotator on
STEVAL-CBP007V1 for brightness
control (clockwise/anticlockwise) (in
touch interface mode)
8 front panel mechanical keys for
channel and brightness up/down, OK,
MENU, and standby (in standalone mode
with no touch interface)
A bicolor power/standby LED
An interrupt LED ( blinks with the
interrupt)
A potentiometer for adjusting the
brightness of the display (accessible in
standalone mode)
Demo mode
Multi format remote control operation
(only RC5 supported currently, but easily
extendable for various other formats
Embedded in-circuit programming using
SWIM interface for STM8S10
RoHS compliant
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This system can be operated along with the
STMPE24M31 based touch panel or the
mechanical keys.
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The objective of this demo board is to
demonstrate the features of the STLED325 LED
controller driver, such as key scanning, RTC, IR
decoding, STANDBY management, etc., as well
as features of the advanced S-Touch device
STMPE24M31 to fit the market segment of DVD
players, DVD recorders, set-top boxes, washing
machines and many more, keeping the system
cost as low as possible.
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The system can be operated using the various
touch keys or mechanical front panel keys
provided on the system, as well as from a remote
control. System I/O is handled completely by
STLED325 and STMPE24M31 with minimal load
on the host processor.
The system can be operated in two modes: touch
interface mode or standalone mode (with
mechanical keys on STEVAL-ILL029V2).
On power-up, the system automatically detects
the presence of the touch interface daughter card
(STEVAL-CBP007V1) and goes into touch
interface mode.
If there is no touch card plugged in, the system
enters into standalone mode and can be
operated using mechanical keys.
The STEVAL-CBP007V1 is included in the kit.
DocID018542 Rev 1
For further information contact your local STMicroelectronics sales
office.
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SWIM
GND
NRST
DocID018542 Rev 1
3V3
3V3
WAKE_UP
C8
100n F
3V3
R21
4k7
NRST
OSC1
OCS2
Vss
VCAP
VDD
VDDIO_1
PF4
VDDA
VSSA
I2C_SDA/PB5
I2C_SCL/PB4
PB3
PB2
PB1
PB0
U1
C12
100n F
WAKE_UP
SW1
STM 8S207K6 T6C
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PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PE5
R19
10K
STBY
32
31 PD6_USART3_RX
30 PD5_USART3_TX
29
28
27
SWIM
26
PC2_24 M31_ INT
25
24
23
22
21
PC3_24 M31_ RESET
20
19
PC1_INTR
18
PE5_ INTR _LE D
17
R8
10K
R16
3K3
CON2
R20
10K
D4
3V3
3V3
J1
3
2
BICOLO R_SMD LED
1
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R22
100
R38
4K7
R6
1K
1
2
4
SWIM_CONN
1
2
3
4
D2
INTR LED
1
2
3
GND
4
5
6
7
8
9
GND
10
PB5_ I2C_SDA 11
PB4_ I2C_SCL 12
13
14
PB1_S TBY
15
PB0_ READY 16
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C9
10u F/6.3V
C7
470n F
C3
100n F
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P
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SW11
RESET
NRST
d
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R15
220
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R1
4k7
Q1
2STR 221 5
3V3
1
J2
INTR _LE D
3V3
Circuit schematic for STEVAL-ILL029V2
STEVAL-ILL029V2
Circuit schematic for STEVAL-ILL029V2
Figure 1: Microcontroller section
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AM09241V1
C20
220uF/63V
C19
220nF
1
2
3
C22
2.7nF
R25
20k
C24
100nF
2
3
5
5V0
C15
100nF
1
2
L4978
R27
9k1
C28
22nF
OUT
FB
C23
100nF
4
8
5V REGULATOR
SS_INH
OSC
VCC
U4
COMP
7
DocID018542 Rev 1
GND
1
D9
STPS1L30A
P
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BOOT
6
O
J5
let
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C16
10uF
)
(s
R24
0
1
3
2
D20
STPS1L30A
C21
220uF
150uH
L1
VO
VINH BYPASS
LDS3985M18R
GND
VI
U3
R26
2k7
5V0
4
5
D10
STTH102
5V0
2
5V0
C17
10nF
1
1.8V REGULATOR
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R28
4k7
1
2
C14
10uF
C25
100nF
3
U5
VI
2
C27
10uF
LDS1117AS33TR
Vout
D11
STTH102
3.3V REGULATOR
C13
100nF
1V8
GND
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1
C26
100nF
3V3
3V3
STEVAL-ILL029V2
Figure 2: Power supply section
Circuit schematic for STEVAL-ILL029V2
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AM09242V1
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DocID018542 Rev 1
R42
1k
3V3
R18
4k7
5V0
STLED325
C10
47uF
+
16
15
14
13
12
11
10
9
MUTE LED
D3
MUTE
IRQ_N
GPIO1
GPIO2
IR_IN
SDA
SCL
WAKE-UP
KEY1
KEY2
VCC
DIG1
DIG2
DIG3
DIG4
DIG5
Q2
2STR1215
GPIO2
1
2
3
4
5
6
7
8
U2
R2
10k
VREG
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
5V0
C11
100nF
24
23
22
21
20
19
18
17
POT_VAR
R5
R3
360R
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
KEY2
KEY1
3V3
R9
4k7
R13
4k7
I2C_SDA
5V0
GND
I2C_SCL
BAT54J
D1
5V0
3V3
R4
10
5V0
3V3
R12
0
R14
0
5V0
3V3
R10
0
R7
0
C6
0.22F
R44
10k
R45
10k
IRQ_N
VREG
IRQ_N LED
D21
R17
0
R43
47
1V8
R17: DO NOT MOUNT
3V3
EITHER OF [R7,R12], OR [R10,R14] TO BE MOUNTED
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MUTE
TP1
R41
1k
IR_IN
I2C_SDA
I2C_SCL
WAKE_UP
MUTE
IRQ_N
R39
1k
R40
1k
C2
1uF
C1
100nF
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3V3
R11
1k
R37
4k7
3V3
3V3
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(s
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ISET
VBAT
VREG
GND
XIN
XOUT
STBY
READY
BUZZER
GPIO1_BUZZ
3V3
C5
25pF
OSC_32_IN
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BZ1
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C4
25pF
OSC32_OUT
Y1
32.768KHz
P
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OSC_32_IN
OSC32_OUT
25
26
27
28
29
30
31
32
1
3V3
Circuit schematic for STEVAL-ILL029V2
Figure 3: STLED325 section
STEVAL-ILL029V2
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AM09250V1
Circuit schematic for STEVAL-ILL029V2
STEVAL-ILL029V2
Figure 4: Connectors
SW2
PB5_I2C_SDA
PB4_I2C_SCL
PB1_S TBY
PB0_READY
PC1_INTR
PE5_INTR _LE D
PC2_24 M31_ INT
PC3_24 M31_ RESET
I2C_SDA
I2C_SCL
STBY
READY
IRQ_N
INTR _LE D
24M31_ INT
24M31_ RESET
SW DIP-8
J3
I2C_SDA
STBY
IRQ_N
24M31_ INT
5V0
1
3
5
7
9
11
2
4
6
8
10
12
I2C_SCL
READY
INTR _LE D
24M31_ RESET
3V3
J4
IR_IN
1
2
3
4
3V3
R23
100
+
CON4_IR SENSOR
CON12
EXTERNAL HOST INTER FACE
u
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C29
100p F
r
P
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J6
I2C_SDA
I2C_SCL
24M31_ INT
5V0
1
2
3
4
5
J7
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1
2
3
4
bs
CON5
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C18
10u F
3V3
1V8
24M31_ RESET
GND
CON4
AM09251V1
Figure 5: Keyscan circuit
SW3
BRIGHT+
KEY1
D5
SW4
BRIGHT-
KEY2
BAT54J
SW5
CH+
KEY1
D6
SW6
CH-
KEY2
BAT54J
SW7
OK
KEY1
D7
SW8
MENU
KEY2
BAT54J
SW9
DEMO
KEY1
D8
SW10
STBY
KEY2
BAT54J
SEG1/KS1
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SEG2/KS2
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SEG3/KS3
SEG4/KS4
DocID018542 Rev 1
AM09252V1
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DocID018542 Rev 1
1
2
3
4
5
SEG4/KS4
DIG1
SEG3/KS3
SEG8/KS8
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b
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CA2
SEGF
6
7
8
9
10
SEG2/KS2
SEG1/KS1
SEG6/KS6
SEG7/KS7
R29
0
SEG8/KS8
SEG3/KS3
DIG2
SEG4/KS4
SEG5/KS5
R30
0
D13
LED
D14
LED
5
4
3
2
1
SEG3/KS3
SEGA
CA2
SEGF
SEGDp SEGB
HDSP5501
SEGC
CA
SEGD
SEGE SEGG
U7
R31
0
6
7
8
9
10
R32
0
D15
LED
SEG2/KS2
SEG1/KS1
SEG6/KS6
SEG7/KS7
SEG5/KS5
1
U8
R33
0
D16
LED
SEG8/KS8
SEG3/KS3
DIG3
SEG4/KS4
SEG5/KS5
CA
SEGD
SEGA
CA2
SEGDp SEGB
HDSP5501
SEGC
D17
LED
6
7
SEG3/KS3
SEG8/KS8
SEG1/KS1
SEG2/KS2
5
4
3
DIG4
8
2
SEG4/KS4
SEG6/KS6
9
1
SEG5/KS5
SEG7/KS7
SEG7/KS7
R35
0
D18
LED
SEG8/KS8
10
R34
0
SEGF
u
d
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5
4
3
2
SEG6/KS6
SEGE SEGG
r
P
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SEGDp SEGB
HDSP5501
SEGC SEGA
CA
SEGD
SEGE SEGG
t
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)
(s
SEG4/KS4
s
b
O
t
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l
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SEG5/KS5
P
e
SEG1/KS1
t
c
u
SEG2/KS2
d
o
r
D12
LED
DIG5
SEGA
CA2
SEGF
SEGDp SEGB
HDSP5501
SEGC
CA
SEGD
SEGE SEGG
U9
R36
0
D19
LED
10
6
7
8
9
SEG2/KS2
SEG1/KS1
SEG6/KS6
SEG7/KS7
Circuit schematic for STEVAL-ILL029V2
Figure 6: Discrete LED and seven segments LED
STEVAL-ILL029V2
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AM09254V1
STEVAL-ILL029V2
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Revision history
Revision history
Table 1: Document revision history
Date
Revision
Changes
25-May-2011
1
Initial release.
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Revision history
STEVAL-ILL029V2
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