AKD4648-C Datasheet, PDF (12/71 Pages) Asahi Kasei Microsystems – stereo CODEC with MIC/HP/SPK amplifier

[AKD4648-C]
„ The function of the toggle SW
[SW1] (PDN): Power down of AK4648. Keep “H” during normal operation.
[SW2] (DIR): Power down of AK4115. Keep “H” during normal operation.
Keep “L” when AK4115 is not used.
*Upper-side is “H” and lower-side is “L”.
„ Indication for LED
[LED1] (ERF): Monitor INT0 pin for the AK4115. LED turns on when some error has occurred to AK4115.
„ Serial Control
The AKD4648-C can be connected via the USB port with attached USB interface board. Connect PORT4 (CTRL)
with PC by 10 wire flat cable packed with the AKD4648-C. Table 4 shows switch and jumper settings for serial
control.
Note) When I²C-bus is controlled by µP via PORT4, resistor value of R100 should be properly selected.
for PC
USB Cable
USB
I/F
Board
10 wire
flat cable
PORT4
1
Connect
10
SCL
SDA
10pin
Connector
5
6 _AKD4648-C
10pin Header
Figure 2. Connect of 10 wire flat cable
Mode
I2C ^CAD0=0
CAD0=1
S1
CAD0
OFF
ON
Table 2. Serial Control Setting
Default
<KM088701>
- 12 -
2007/04