ISSI IS31FL3216A Manual page 3

16 CHANNELS LED DRIVER EVALUATION BOARD GUIDE
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.
Audio in
R28
39K
U4
J1 C11
R27
4
IN-
20K
AUDIO IN 0.22uF
6
VDD
VCC
1
SD
1uF C9
7
GND
IS31AP4991
SDA 3
P0.0/CMP2/KBI0/AD01
26
P0.1/CIN2B/KBI1/AD10
25
P0.2/CIN2A/KBI2/AD11
24
P0.3/CIN1B/KBI3/AD12
PDA
23
P0.4/CIN1A/KBI4/DAC1/AD13
PCL
22
P0.5/CMPREF/KBI5
P0.6
20
P0.6/CMP1/KBI6
P0.7
19
P0.7/T1/KBI7
VCC
P1.0
18
P1.0/TXD
R8 10K P1.1
17
P1.1/RXD
12
P1.2/T0/SCL
KEY 11
P1.3/INT0/SDA
INTB
10
P1.4/INT1
RST
6
P1.5/RST
SD
5
P1.6/OCB
MODE SCL 4
P1.7/OCC/AD00
V2.8V
26
VCC
C6
R6 R4 R3
1uF
10K 4.7K 4.7K
INTB 21
INTB
SCL
23
SCL
SDA
24
SDA
SDB
22
SDB
1
CLK
100K R5 C8
2
Audio in IN
0.1uF
27
C_FILT
28
R_EXT
C7
R7
0.1uF
25
100K AD
7,16
GND
IS31FL3216A
Integrated Silicon Solution, Inc. – www.issi.com
Rev. A, 09/18/2017
J3
5
VO1
AUDIO OUT
8
VO2
3
IN+
C10
2
BYPASS
1uF
U3
1
P2.0/ICB/DAC0/AD03
2
P2.1/OCD/AD02
13
P2.2/MOSI
14
P2.3/MISO
15
P2.4/SS
16
P2.5/SPICLK
27
P2.6/OCA
28
P2.7/ICA
9
P3.0XTAL2/CLKOUT
8
P3.1/XTAL1
V2.8V
21
VDD
0.1uF C5
7
VSS
U1
out1
3
OUT1
out2
4
OUT2
5 out3
OUT3
out4
6
OUT4
out5
8
OUT5
out6
9
OUT6
10 out7
OUT7
out8
11
OUT8
out9
13
OUT9
out10
14
OUT10
out11
15
OUT11
out12
16
OUT12
out13
17
OUT13
out14
18
OUT14
out15
19
OUT15
20 out16
OUT16
Figure 3: IS31FL3216A Application Schematic
VCC
1
VCC
2
USB_DM
3
USB_DP C1 C2
4
NC 100uF 0.1uF
5
GND
Con1
VCC
VCC
U6-2 R10 100K
P0.7
4953
G R B G
1K out16
R28
R20 out1out2out3 out4out5out6
100K
1K out15
R27
R19
100K
1K out14 out1
R26
R18 out2
100K
1K out13 out3
R25
R17 out4
out1 out2 out3 out4 out5 out6 out7 out8 out9 out10 out11 out12 out13 out14 out15 out16
100K
1K out12 out5
R24
R16 out6
100K
1K out11 out7
R23
R15 out8
100K
1K out10
R22
R14
100K
out1 out2 out3 out4 out5 out6 out7 out8 out9 out10 out11 out12 out13 out14 out15 out16
1K out9
R21
R13
100K
V2.8V
U2
1 5
VDD VOUT
C4
1uF
3
SD
2 4
GND BP
C3
10nF
VCC
VCC
R12 100K
U5-1
P1.1
4953
R B G R B G R B G R B
out7 out8out9 out10out11out12 out13out14out15
VCC
VCC
R11 100K
U5-2
P1.0
4953
VCC
VCC
R9 100K
U6-1
P0.6
4953
3