AKD4213-B Datasheet, PDF (4/35 Pages) Asahi Kasei Microsystems – AK4213 Evaluation Board Rev.1

[AKD4213-B]
„ Other jumper pins set up
1. JP1 (GND)
OPEN
SHORT
: Analog ground and Digital ground
: Separated.
: Common. (The connector “DGND” can be open.) <Default>
2. JP5 (REG-SEL)
AVDD
REG
: AVDD and PVDD of the AK4213
: AVDD and PVDD is supplied from “REG/AVDD”.
: AVDD and PVDD is supplied from the regulator. < Default >
3. JP7 (REG)
OPEN
SHORT
: AVDD and PVDD of the AK4213
: AVDD and PVDD is supplied from “REG/AVDD”.
: AVDD and PVDD is supplied from the regulator. < Default >
4. JP6 (TVDD-SEL) : TVDD of the AK4213
OPEN
: TVDD is supplied from “TVDD” jack.
SHORT : TVDD is supplied from “PVDD” (“TVDD” jack should be open). < Default >
5. JP4 (AVC-P-SEL) : Power supply of the “74AVC8T245”
TVDD
: Power supply of the “74AVC8T245” is supplied from “TVDD”.
VD
: Power supply of the “74AVC8T245” is supplied from “VD”. < Default >
Note : When I²C bus is controlled via PORT1, the interface voltage should equal to “TVDD”.
„ The function of the toggle SW
Up is “H” of the toggle SW, and down is “L” of that.
[SW1] (PDN) : Power control of AK4213. Keep “H” during normal operation.
SW1 can be set to “H”, after all power supply pins are supplied.
„ Serial Control (I²C-bus Control Mode)
The AK4213 can be controlled via USB interface board packed with the AKD4213-B. Connect PORT1 (CTRL)
with PC by 10 wire flat cable packed with the AKD4213-B
for PC
USB Cable
USB
I/F
Board
Connect
SCL
SDA
ACK
AKD4213-B
10 wire
10pin
flat cable Connector
10pin Header
Figure 3. Connect of 10 wire flat cable
Note) When I²C-bus is controlled by uP via PORT1, resistor value of R4 should be properly selected.
<KM092201>
-4-
2008/04