AKD4112B-B Datasheet, PDF (5/25 Pages) Asahi Kasei Microsystems – 96kHz digital audio receiver.

ASAHI KASEI
[AKD4112B-B]
(2) Evaluation for TX
S/PDIF in (optical or BNC)– AK4112B – S/PDIF out (optical or BNC)
a. Set-up of a Bi-phase output signal
As for TX, only the loop back mode of RX corresponds. In serial mode, it can be selected by OPS1-0 bits.
This mode is not supported in parallel mode.
Connector
JP13 (TX)
Optical (PORT4)
OPT
BNC (J4)
BNC
Table 10. Set-up of TX
„ Serial control
The AK4112B can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT6
(uP-I/F) with PC by 10-line flat cable packed with the AKD4112B-B. Take care of the direction of connector. There
is a mark at pin#1. The pin layout of PORT6 is as Figure 3.
Mode
Parallel
Serial
SW1_6
JP18
H
CDTO/CM0=“H” or CM0=“L”
L
SDA and CM0=“L” short
Table 11. Set-up of parallel mode and serial mode
PORT6
uP I/F
2
10
1
9
Figure 3. PORT6 pin layout
This evaluation board encloses control software. A software operation procedure is included in an evaluation board
manual.
<KM080200>
-5-
2005/10