AKD4702 Datasheet, PDF (9/32 Pages) Asahi Kasei Microsystems – Evaluation board Rev.A for AK4702

ASAHI KASEI
[AKD4702]
n Serial Control
The AK4702 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT3
(µP-IF) with PC by 10 wire flat cable packed with the AKD4702.
Be careful connector direction. Flat cable should be connected 10-pin header, red line put on 10pin header 5 and 6
pin.
1
10
Connect
SCL
PC
SDA
AKD4702
SDA(ACK)
RED
10 wire flat cable
10 pin Connector
5
6
PORT3
µP-IF
10 pin Header
Figure 2. Connection of 10 pin flat cable for PORT3
n Input/Output port List
Table 6. Input/Output port List
Audio
Digital
Video
Slow
Blanking
Input
Output
Input
Input
Output
Input
Output
Signal Name
J5 (VCRINL), J3 (VCRINR), J9 (TVINL), J8 (TVINR)
J11 (MONOIN)
J12 (VCROUTL), J10 (VCROUTR), J6 (TVOUTL), J7 (TVOUTR),
J4 (MONOOUT)
Port2 (TORX176) or J2 BNC (RX)
J13 (ENCB), J15 (ENCG), J17 (ENCRC), J19 (ENCC), J21 (ENCV),
J23(ENCY), J25(TVVIN), J14(VCRVIN), J18(VCRRC; Note),
J20(VCRG), J22(VCRB)
J27 (VCRCOUT; Note), J29 (TVVOUT), J30 (TVRC), J31 (TVG), J32
(TVB), J33 (RFV), J34 (VCRVOUT)
J24 (VCRSB)
J24 (VCRSB) , J28 (TVSB)
Fast Input
Blanking Output
J16 (VCRFB)
J26 (TVFB)
Note: Refer JP12 and CIO bit of AK4702.
Notes
Max: 2Vrms
Max: 1Vrm
Max: 3Vrm
Max: D5V+0.3V
Max: 1.5Vp-p
Max: 3Vp-p
Max: VP+0.3V
Max: VP
Max: VVD1+0.3V
Max: VVD2
n The indication content for LED
LED turns on during each output is “H”.
[LE1] (Unlock and Parity Error on S/P DIF): ERF of DIR (AK4112B). Normally off.
[LE2] (Validity Flag): V of DIR (AK4112B). Normally off.
n Toggle switch (SW1 on board) operation
“H”: AK4702 is Active.
“L”: AK4702 is Powered Down .
(Note; When the power of AKD4702 is ON at first, SW1 should be switched from “L” to “H”.)
<KM067304>
-9-
2002/12