AKD4683 Datasheet, PDF (8/74 Pages) Asahi Kasei Microsystems – AK4683 Evaluation Board Rev.1

ASAHI KASEI
[AKD4683-A]
2. Register control

2-1. 10-wire flat cable for register control
AK4683 can be controlled via printer port (parallel port) of IBM-AT compatible PC. Connect printer port
(parallel port) of PC and PORT2 (uP-I/F) of AKD4683-A by 10-wire flat cable (packed with AKD4683-A).
Take care of the direction of 10-pin connector and 10-pin header. (The red line side of 10-wire flat cable of
10-pin connector should be connected to No.5pin and No.6pin of 10-pin header.)
PORT2
1 UP-I/F 10
CSN
Connect
SCL / CCLK
PC
SDA / CDTI
SDA (ACK) / CDTO
RED
10-wire flat cable
10-pin connector
5
6
10-pin header
AKD4683-A
Figure 12. 10-wire flat cable, 10-pin connector and 10-pin header
2-2. 4-wire serial control
(1) Set JP3 (SDA/CDTO) to “CDTO/CM0=H”. <Default>
JP3
SDA/CDTO
SDA
CDTO/CM0=H
CM0=L
(CDTO/CM0=H)<Default>
Figure 13. JP3 (SDA/CDTO)
(2) Set SW2 (PORT A_DIR/4683): No.8 pin (I2C) to “OFF”. <Default>
<KM077504>
-8-
2005/08