ASAHI KASEI
[AKD4709-A]
<KM103002>
2011/06
OPEN: VD1 pin is supplied from VD1 connector.
SHORT: VD1 pin is supplied to reg3.3V. (The connector “VD1” can be open.) <Default>
[JP7] (VCC): VVD connector or VCC connector
OPEN: Logic voltage is supplied from VCC connector.
SHORT: Logic voltage is supplied form VVD connector. (The connector “VCC” can be open.) <Default>
[JP8] (VVD): VD1 connector or VVD connector
OPEN: VVD1 and VVD2 pins are supplied from VVD connector.
SHORT: VVD1 and VVD2 pins are supplied from VD connector.
(The connector “VVD” can be open.) <Default>
The regulator can be supplied 3.3V to all circuits by shorting JP5, JP7 and JP8 and supplying 12V to VP connector.
The function of the toggle SW
[SW1] (PDN): Resets the AK4709. Keep “H” during normal operation.
The indication content for INT pin
Changes of the 08H status can be monitored via the TEST1 (INT). The INT pin is the open drain output and goes “L” for
2
μ
s (typ.) when the status of 08H is changed.
Serial Control
The AK4709 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT1 (CTRL)
with PC by 10-line flat cable packed with the AKD4709-A. The control software packed with this evaluation board
supports I
2
C control only.
Connect
ACK
SCL
SDA
10pin Header
10pin
Connector
10 wire
flat cable
PC
AKD4708-A
Figure 2. Connect of 10-line flat cable
AKD4709-A
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