STEVAL-ILL029V2 STMicroelectronics, STEVAL-ILL029V2 Datasheet - Page 57

• Manufacturer Part Number: STEVAL-ILL029V2
• Description: BOARD & REF DESIGN
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of STEVAL-ILL029V2

• Main Purpose: Touch Interface, LED Driver
• Embedded: Yes, MCU, 32-Bit
• Utilized Ic / Part: STLED325, STM8S, STMPE24M31
• Primary Attributes: 4 Digit 7-Segment LEDs, 8 Discrete LEDs, 8 Touch Pads, 8-Channel Touch Wheel
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

STLED325
10.3
Application diagram
Figure 22. Application schematic
Resistors:
RSET = external resistor for current setting
R1 = 1-10 KO SDA external pull-up resistor
R2 = 1-10 KO SCL external pull-up resistor
R3 = 1-10 KO IRQ_N external pull-up resistor
R4-R5 = 10 KO external key-matrix pull-down resistors
Capacitors:
C1 = 33 µF (25 V) electrolytic
C2 = 0.01-0.1µF (25V) ceramic
Creg=0.1 uF
CL1 = CL2 = 25pF
Diodes
D1-D8 = 1N4148
Supply voltage
V
CC
M ain C P U
IR rem ote
= 5 V ± 10%
C 1
G N D
control
sensor
C L1
(32.768K H z)
C 2
C rystal
R 3
R 2
C L2
R 1
W A K E _U P
IR Q _N
M U TE
S TB Y
R E A D Y
S C L
S D A
V B A T
R S E T
X O
IS E T
IR _IN
X I
G N D
G N D
V C C
S T LE D 325
R 4
Doc ID 17576 Rev 1
R 5
-S E G 8/K S 8
S E G 1/K S 1
K E Y 1-K E Y 2
D IG 1-D IG 4
D IG 5
D 1
D 2
C reg
D 3
(8x2 m atrix)
K eyscan
4
D 4
D 5
D 6
D 7
D 8
Application information
W ith som e individual LE D s
LE D 4 -D igit 7 -segm ent
D isplay panel
(+ dot
-point)
AM08725V1
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