AKD4537 Datasheet, PDF (4/32 Pages) Asahi Kasei Microsystems – Evaluation board Rev.B for AK4537

ASAHI KASEI
[AKD4537]
n Other jumper pins set up
1. JP1 (GND) : Connection between AGND and DGND.
OPEN : Both grounds are separated on board.
SHORT : Both grounds are connected on board.
2. JP4 (M/S) : Select master mode and slave mode
MASTER : Master mode
SLAVE : Slave mode
n The function of the toggle SW
Upper-side is “H” and lower-side is “L”.
[SW1] (MUTE): Switch of external mute circuit for Headphone-amp output. Keep “L” during normal operation.
[SW2] (PDN): Power down of AK4537 and AK4114. Keep “H” during normal operation.
n Indication for LED
[LED1] (ERF): Monitor INT0 pin of the AK4114. LED turns on when some error has occurred to AK4114.
n Serial Control
The AK4537 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT4
(CTRL) with PC by 10 wire flat cable packed with the AKD4537.
Connect
CSN
CCLK
PC
CDTI ^AKD4537
CDTO
10 wire
10pin
flat cable Connector
10pin Header
Figure 2. Connect of 10 wire flat cable
<KM069501>
-4-
2002/11