AS1115 - Demo Board Manual
White Goods
General Description
Board Description
Figure 2: Board Description - Connectors
Figure 3: Board Description – Jumper and Measurement Points
Connector Description
Label
Name
Description
Info
A
VDD
+2.7V to +5.5V
B
GND
Power Supply Connectors for
VDD and Ground.
C
USB
Mini USB 5-pin Connector
Supplies the AS1115 with 5V. Connect to a
standard USB port.
D
I / O
Interface Connector
See Interface Connector Description below
E
VRSET
Reference Voltage Connector
The brightness of the display segments could be
controlled via this connector.
Note:
Use only the Connectors VDD
“A”
and GND
”B”
or USB Connector
“C”
. Never use both supply
possibilities at the same time!
I/O - Interface Connector “D” Description
Label
Name
AS1115
A1
VDD+
Pin 19
A2
N/C
A3
GND
Pin 6
B1
IRQ
Pin 24
B2
SCL
Pin 14
A1
A2
A3
B1
B2
B3
B3
SDA
Pin 1
Jumper Description
Label
Name
Description
Info
VDD Supply from Power Supply Connector
“A”
or
“C”
VDD Supply from I / O Interface Connector
“D”
F
VDD
Supply Jumper
G
A0
Self Addressing Bit 0
Address Bit 0: logic “0”
Address Bit 0: logic “1”
Address Bit 1: logic “0”
Address Bit 1: logic “1”
A1
H
Self Addressing Bit 1
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