16 CHANNELS LED DRIVER EVALUATION BOARD GUIDE
Integrated Silicon Solution, Inc. – www.issi.com
3
Rev. A, 09/18/2017
3) Use the test code in appendix I or download the
test firmware (sketch) from the ISSI website,
a .txt file and copy the code to Arduino IDE,
compile and upload to Arduino.
4) Run the Arduino code and the single LED will
always breathing.
Please refer to the datasheet to get more information about
IS31FL3216A.
VCC
C10
1uF
C9
1uF
C11
0.22uF
R27
20K
R28
39K
J3
AUDIO OUT
P2.0/ICB/DAC0/AD03
1
P2.1/OCD/AD02
2
P0.0/CMP2/KBI0/AD01
3
P1.7/OCC/AD00
4
P1.6/OCB
5
P1.5/RST
6
VSS
7
P3.1/XTAL1
8
P3.0XTAL2/CLKOUT
9
P1.4/INT1
10
P1.3/INT0/SDA
11
P1.2/T0/SCL
12
P2.2/MOSI
13
P2.3/MISO
14
P2.4/SS
15
P2.5/SPICLK
16
P1.1/RXD
17
P1.0/TXD
18
P0.7/T1/KBI7
19
P0.6/CMP1/KBI6
20
VDD
21
P0.5/CMPREF/KBI5
22
P0.4/CIN1A/KBI4/DAC1/AD13
23
P0.3/CIN1B/KBI3/AD12
24
P0.2/CIN2A/KBI2/AD11
25
P0.1/CIN2B/KBI1/AD10
26
P2.6/OCA
27
P2.7/ICA
28
U3
PDA
PCL
RST
0.1uF
C5
V2.8V
INTB
SDA
SD
MODE
G
R
B
10nF
C3
VDD
1
GND
2
SD
3
BP
4
VOUT
5
U2
1uF
C4
V2.8V
0.1uF
C2
VCC
0.1uF
C7
R7
100K
0.1uF
C8
1uF
C6
R6
10K
R4
4.7K
R3
4.7K
R5
100K
VCC
SCL
INTB
SDA
SDB
SCL
KEY
R8
10K
VCC
100uF
C1
U5-1
4953
J1
AUDIO IN
out1
out2
out3
out4
out5
out6
out7
out8
out9
out10
out11
out12
out13
out14
out15
out16
G
R
B
G
R
B
G
R
B
G
R
B
out1 out2 out3
out4 out5 out6
out7 out8 out9
out10out11out12 out13out14out15
V2.8V
out1
out2
out3
out4
out5
out6
out7
out8
out9
out10 out11 out12 out13 out14 out15 out16
out1
out2
out3
out4
out5
out6
out7
out8
out9
out10 out11 out12 out13 out14 out15 out16
out1
out2
out3
out4
out5
out6
out7
out8
R18
100K
R26
1K
out14
R17
100K
R25
1K
out13
R16
100K
R24
1K
out12
R15
100K
R23
1K
out11
R14
100K
R22
1K
out10
R19
100K
R27
1K
out15
R20
100K
R28
1K
out16
R13
100K
R21
1K
out9
P1.1
P1.0
P0.7
P0.6
P1.1
R12
100K
VCC
VCC
U5-2
4953
P1.0
R11 100K
VCC
VCC
U6-1
4953
P0.6
R9
100K
VCC
VCC
U6-2
4953
P0.7
R10 100K
VCC
Audio in
Audio in
OUT1
3
OUT2
4
OUT3
5
OUT4
6
OUT9
13
OUT10
14
OUT11
15
OUT12
16
GND
7,16
OUT13
17
OUT14
18
OUT15
19
OUT16
20
OUT5
8
OUT6
9
OUT7
10
OUT8
11
CLK
1
SCL
23
SDA
24
VCC
26
INTB
21
SDB
22
AD
25
IN
2
C_FILT
27
R_EXT
28
U1
IS31FL3216A
IN-
4
VDD
6
SD
1
GND
7
BYPASS
2
IN+
3
VO2
8
VO1
5
U4
IS31AP4991
VCC
1
USB_DM
2
USB_DP
3
NC
4
GND
5
Con1
Figure 3: IS31FL3216A Application Schematic