AKD4671-B Datasheet, PDF (22/51 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in Microphone-Amplifier

„ The function of the toggle SW
[SW2] (PDN) : Power down of AK4671. Keep “H” during normal operation.
[SW1] (DIR) : Power down of AK4114. Keep “H” during normal operation.
Keep “L” when AK4114 is not used.
[AKD4671-B]
„ Indication for LED
[LED1] (ERF) : Monitor INT0 pin of the AK4114. LED turns on when some error has occurred to AK4114.
„ Serial Control
The AK4671 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT5
(CTRL) with PC by 10 wire flat cable packed with the AKD4671.Table 4 shows switch and jumper settings for
serial control. I2C Mode should be selected in Table 4.
Note) When evaluate it in SAR-ADC of AK4671, 4-WIRE Mode should be selected in Table 4.
PORT5
Connect
CSN
CCLK/SCL
PC
CDTI/SDA AKD4671
CDTO/SDA
10 wire 10pin
flat cable Connector
10pin
Header
Figure 2. Connect of 10 wire flat cable
Mode
4-WIRE
I2C ^CAD0=0
CAD0=1
S1 (DIP SW)
JP52
I2C
CAD0
CTRL_SEL
OFF
OFF
4-WIRE
ON
OFF
I2C
ON
ON
Table 4. Serial Control Setting
JP53
CTRL_SEL2
4-WIRE
I2C
Default
<KM089000>
- 22 -
2007 / 05