AKD4220-A Datasheet, PDF (5/34 Pages) Asahi Kasei Microsystems – various 7:3 audio and 6:3 video switches.

ASAHI KASEI
[AKD4220-A]
„ Serial Control
The AK4220 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect printer port
(parallel port) of PC and PORT2 (CTRL) of AKD4220-A by 10-wire flat cable (packed with AKD4220-A).
Take care of the direction of 10-pin connector and 10-pin header.
The control software packed with this evaluation board supports 4-wire serial control only.
PORT2
CTRL
1 10
CSN
PC
Connect
CCLK/SCL
CDTI/SDA
CDTO/SDA
Red
10-wire 10-pin
flat cable connector
56
10-pin
header
AKD4220-A
Figure 2. 10-wire flat cable, 10-pin connector, and 10-pin header
(1) 4-wire Serial Control Mode
The jumper pins should be set to the following.
JP8
I2C
(2) I²C-bus Control Mode
The jumper pins should be set to the following. <Default>
JP8
I2C
<KM083400>
-5-
2006/06