AKD4254-A Datasheet, PDF (4/24 Pages) Asahi Kasei Microsystems – 7:2 video switches

ASAHI KASEI
[AKD4254-A]
„ The function of the toggle SW
[SW1] (PDN) : Resets the AK4254. Keep “H” during normal operation.
„ Set up DIP switch
[SW2-8] (TEST) : Set up TEST-pin. Keep “H” during normal operation.
„ Serial Control
The AK4254 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect printer port
(parallel port) of PC and PORT1 (CTRL) of AKD4254-A by 10-wire flat cable (packed with AKD4254-A).
Take care of the direction of 10-pin connector and 10-pin header.
PORT1
CTRL
1
10
CSN
Connect
CCLK/SCI
PC
CDTI/SDA
SDA(ACK)
Red
10-wire
10-pin
flat cable _connector
5
6
10-pin
header
AKD4254-A
Figure 2. 10-wire flat cable, 10-pin connector, and 10-pin header
<KM085203>
-4-
2007/01