AKM AKD4569, Руководство пользователя

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ASAHI KASEI [AKD4569]
<KM074000> 2004/02
- 2 -
PORT1
uP-I/F
1
2
9 10
CSN
CCLK
CDTI
CDTO
GND
GND
GND
GND
GND NC
n
Operation sequence
1) Set up the power supply lines.
Name Color Voltage Contents Attention
+5V Red 5V Regulator JP15 should be shorted and HVDD jack should be
open when the regulator is used.
(Default: JP15 is open.)
HVDD Orange 3V AK4569 Headphone amp JP15 should be open when the regulator is NOT used.
AVDD Orange 3V AK4569 Analog JP4 should be shorted and AVDD jack should be open
when AVDD is supplied from HVDD.
(Default: JP4 is shorted.)
DVDD Orange 3V AK4569 Digital JP14 should be shorted and DVDD jack should be
open when DVDD is supplied from HVDD.
(Default: JP14 is shorted.)
VD Orange 3V Logic Parts JP13 should be shorted and VD jack should be open
when VD is common with DVDD.
(Default: JP13 is shorted.)
AGND Black 0V Analog ground AGND jack should be always supplied.
DGND Black 0V Digital ground DGND jack can be open if JP1 is shorted.
(Default: JP1 is shorted.)
Table 1. Set up of power supply lines
Each supply line should be distributed from the power supply unit.
2) Set-up the evaluation modes, jumper pins and DIP switches.
(See the followings.)
3) Power on.
The AK4569 should be reset once bringing SW1(4569_PDN) “L” upon power-up.
4) Serial control
The AK4569 can be controlled via the printer port (parallel port) of
IBM-AT compatible PC. Connect PORT1(uP-I/F) with PC by 10-line
flat cable packed with the AKD4569.
Take care of the direction of connector. There is a mark at pin#1.
The pin layout of PORT1 is as Figure 2.
Figure 2. Pin Layout of PORT1