6x8 MATRIX LED DRIVER
Integrated Silicon Solution, Inc. – www.issi.com
9
Rev. C, 03/22/2017
Figure 8: IS32FL3738 Application Schematic:
V01A
PE6/INT6/AIN0
1
UVCC
2
D-
3
D+
4
UGND
5
UCAP
6
VBUS
7
PB0/SS/PCINT0
8
PB1/SCLK/PCINT1
9
PB2/PDI/MOSI/PCINT2
10
PB3/PDO/MISO/PCINT3
11
PB7/OC0A/OC1C/RTS
12
RESET
13
VCC
14
GND
15
XTAL2
16
XTAL1
17
PD0/OC0B/SCL/INT0
18
PD1/SDA/INT1
19
PD2/RXD1/INT2
20
PD3/TXD1/INT3
21
PD5/XCK1/CTS
22
GND
23
AVCC
24
PD4/ICP1/ADC8
25
PD6/T1/OC4D/ADC9
26
PD7/T0/OC4D/ADC10
27
PB4/PCINT4/ADC11
28
PB5/PCINT5/OC1A/OC4B/ADC12
29
PB6/PCINT6/OC1B/OC4B/ADC13
30
PC6/OC3A/OC4A
31
PC7/ICP3/CLK0/OC4A
32
PE2/HWB
33
VCC
34
GND
35
PF7/ADC7/TDI
36
PF6/ADC6/TDO
37
PF5/ADC5/TMS
38
PF4/ADC4/TCK
39
PF1/ADC1
40
PF0/ADC0
41
AREF
42
GND
43
AVCC
44
U1
ATMEGA32U4
5V
MH2029-300Y
L2
10K
R1
100n
C11
100n
C10
GND
1
3
4
2
K1
SMD-KEY-5P
GND
RD-
RD+
Y1
16M
22pF
C12
22pF
C13
GND
1uF
C5
100nF
C6
GND
OSC_OUT
OSC_IN
1uF
C7
AVCC
1K
R7
1K
R8
RX
L
TX
ON
1K
R6
1K
R5
10K
R4
UCAP
AREF
GND
5V
RX
Blue
Green
RXLED
IO13
TXLED
HWB
VUSB
A5
A4
A0
A1
A2
A3
D1/TX
D0/RX
D2/SDA
D3/SCL
SDB
D5
D6
KEY
IO12
IO11
IO10
IO9
IO8
MOSI
MISO
SCK
VCC
1
USB_DM
2
USB_DP
3
NC
4
GND
5
USB_Micro
MSMF050-2
F1
VUSB
22R
R3
22R
R10
D-
D+
RD+
RD-
CG0603MLC-05E
Z2
Z1
GND
22uF
C14
100nF
C9
10K
R2
USB_VCC
GND
1
1
3
3
5
5
2
2
4
4
6
6
ICSP
MISO
SCK
RESET
5V
MOSI
GND
3
2
1
T1
FDN340P
VUSB
VIN
5V
IN
3
GN
D
1
OUT
2
U2
NCP1117-5
10K
R9
100nF
C1
22uF
C3
100nF
C2
5V
GND
VIN
IN
1
GND
2
ON/OFF
3
OUT
4
NC/FB
5
U4
LP2985-33DBVR
5V
GND
1uF
C4
3.3V
GND
3V3 REG
5V REG
5V SELECTOR(USB)
2
3
1
T2
PMV48XP
5V
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
J5
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
J6
MOSI
RXLED/SS
D1/TX
D0/RX
RESET
GND
D2/SDA
D3/SCL
D4
D5
D6
D7
IO8
IO9
IO10
IO11
IO12
SCK
MISO
VIN
GND
RESET
5V
A5
A4
A3
A2
A1
A0
AREF
3.3V
IO13
GND
OUT
IN
TX
RESET
D2
CD1206-S01575
Arduino
IS32FL3738
CS8
1
REST
2
AVCC
3
VIO
4
SYNC
5
SDA
6
SCL
7
ADDR
8
INTB
9
SDB
10
GND
11
SW1
12
SW2
13
PGND
14
SW3
15
SW4
16
SW5
17
PGND
18
SW6
19
CS1
20
CS2
21
PVCC
22
CS3
23
CS4
24
CS5
25
CS6
26
PVCC
27
CS7
28
U2
IS3738
0.1uF
C14
5V
5V
5V
R6
4.7K
R7
4.7K
R9
100K
GND
GND
GND
VIO
R10
100K
R14
20K
SDA
SCL
INTB
SDB
SYNC
REST
R8
100K
GND
0.1uF
C11
GND
VIO
CS1
CS2
CS3
CS4
CS5
CS6
CS7
CS8
SW1
SW2
SW3
SW4
SW5
SW6
0.1uF
C13
0.1uF
C12
ADDR
GND
5
RT
6
VIN
7
BS
8
SW
1
COMP
3
FB
4
EN
2
Thermal Pad
9
U1
IS32PM3415
R5
200K
R3
100K
R4
51K
C7
330pF
C6
NC
C3
0.1uF
C2
4.7uF
C4
0.1uF
C9
10uF
EN
EN
D2
SS36
L1
22uH
C5
NC
VOUT
SW
GND
1
GND
2
VCC
3
VCC
4
*
*
D1
SS36
C1
10
0u
F
/2
5
V
C16
10
0u
F
/2
5
V
R1
62K
R2
12K
GND
C15
1uF
VIN
3
Vout
2
AD
J
1
U3
LM317
R15
390R
R16
120R
C8
10
0u
F
/25V
VOUT
5V
GND
GND
K1
MODE
GND
R11
10K
0.1uF
C9
5V
GND
KEY
R12
0R
R13
NC
5V
3V
R18
51K
R17
51K
VCC
GND
A5
JP1
GND
LED Matrix
LD1
LD2
LD3
LD4
LD5
LD6
LD14
LD15
LD7
LD8
LD12
LD13
LD9
LD10
LD11
LD16
CS1
CS2
CS3
CS4
CS5
CS6
CS7
CS8
SW1
SW2
SW3
SW4
SW5
SW6
