austriamicrosystems AS1109 Handmatig - Pagina 2

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AS1115 - Demo Board Manual
White Goods

General Description

Board Description
Figure 2: Board Description - Connectors
Connector Description
Label
Name
A
VDD
B
GND
C
USB
D
I / O
E
VRSET
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
A1
A2
A1
B1
A3
A2
B2
B1
A3
B3
B2
B3
Jumper Description
Label
Name
Description
VDD
F
Supply Jumper
G
A0
Self Addressing Bit 0
H
A1
Self Addressing Bit 1
www.austriamicrosystems.com
Description
Power Supply Connectors for
VDD and Ground.
Mini USB 5-pin Connector
Interface Connector
Reference Voltage Connector
Name
AS1115
VDD+
Pin 19
N/C
GND
Pin 6
IRQ
Pin 24
SCL
Pin 14
SDA
Pin 1
Info
Revision 1.04
Figure 3: Board Description – Jumper and Measurement Points
Info
+2.7V to +5.5V
Supplies the AS1115 with 5V. Connect to a
standard USB port.
See Interface Connector Description below
The brightness of the display segments could be
controlled via this connector.
VDD Supply from Power Supply Connector "A" or "C"
VDD Supply from I / O Interface Connector "D"
Address Bit 0: logic "0"
Address Bit 0: logic "1"
Address Bit 1: logic "0"
Address Bit 1: logic "1"
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