AK4140-B decoder Datasheet

AK4140-B Datasheet PDF, Equivalent


Part Number

AK4140-B

Description

BTSC decoder

Manufacture

Asahi Kasei Microsystems

Total Page 30 Pages
PDF Download
Download AK4140-B Datasheet PDF


AK4140-B
ASAHI KASEI
[AKD4140-B]
AKD4140-B
AK4140 Evaluation Board Rev.1
GENERAL DESCRIPTION
The AKD4140-B is the evaluation board for the AK4140, BTSC decoder. The AKD4140-B has AKM’s D/A
as analog output and AKM’s DIT as digital (S/PDIF) output.
„ Ordering guide
AKD4140-B ---
Evaluation board for AK4140
(A cable for connecting with printer port of IBM-AT compatible PC
and a control software are packed with this. The control software
does not operate on Windows NT.)
FUNCTION
† Digital interface
-S/PDIF
1 channel output (Optical or BNC)
- Serial audio data I/F
1 input/output port (10-pin port)
-Serial control data I/F
1 input/output port (10-pin port)
www.DataSheet4U.com
SIF
REG
3.3V
5V
AK4140
GND
AK4386
(DAC)
AK4103A
(DIT)
LOUT Analog Out
ROUT
Opt
S/PDIF Out
TX
Control
Serial Data
In/Out
Figure 1. AKD4140-B Block Diagram
*Circuit diagram and PCB layout are attached at the end of this manual.
<KM079202>
-1-
2006/08

AK4140-B
ASAHI KASEI
Evaluation Board Manual
„ Operating sequence
(1) Set up the power supply lines.
[5V] (Red) = 5V
[3.3V] (Orange)=3.3V (open when JP1 is shorted)
[GND] (Black) = 0V
(2) Set up the switches and jumpers.
Refer to the following sections.
(3) Power on.
The AK4140 should be reset once by bringing PDN (SW1) “L” upon power-up.
[AKD4140-B]
„ Toggle switch set-up
SW1 AK4140_PDN
SW3 DAC/DIT_PDN
Reset switch for AK4140. Set to “H” during normal operation. Bring to “L” once after the
power is supplied.
Reset switch for DAC and DIT. Set to “H” during normal operation. Bring to “L” once
after the power is supplied.
Table 1. Toggle switch set-up
„ LED indication
LE1 INT0
LE2 INT1
Turn on when INT0 pin goes to “H”.
Turn on when INT1 pin goes to “H”.
Table 2. LED indication
„ Jumper set-up.
No. Jumper Name
1 REG
www.DataSh2eet4U.cXoTmE
3 MCLK
4 BICK
5 LRCK
6 TX
7 TDMIN
Function
Power supply setup.
Short: Regulator (default)
Open: +3.3V Jack
Set-up of X’tal.
Short: GND
Open: X’tal (default)
Set-up of MCLK.
XTL: X’tal (default)
EXT: EXT
Set-up of BICK.
Open: Master mode (default)
1/2: 128fs
1/4: 64fs
Set-up of BICK.
Open: Master mode (default)
1/256: 256fs
1/512: 512fs
Set-up of TX0 output circuit.
OPT : Optical (default)
BNC : BNC
Set-up of TDMIN input circuit.
TDMIN: TDMIN
GND: GND (default)
Table 3. Jumper set-up
<KM079202>
-2-
2006/08


Features ASAHI KASEI [AKD4140-B] AKD4140-B AK41 40 Evaluation Board Rev.1 GENERAL DESCR IPTION The AKD4140-B is the evaluation board for the AK4140, BTSC decoder. The AKD4140-B has AKM’s D/A as analog ou tput and AKM’s DIT as digital (S/PDIF ) output. „ Ordering guide AKD4140-B - -Evaluation board for AK4140 (A cable f or connecting with printer port of IBM- AT compatible PC and a control software are packed with this. The control soft ware does not operate on Windows NT.) FUNCTION † Digital interface -S/PDIF 1 channel output (Optical or BNC) - Seri al audio data I/F 1 input/output port ( 10-pin port) -Serial control data I/F 1 input/output port (10-pin port) REG 5V GND 3.3V www.DataSheet4U.com SIF AK4140 AK4386 (DAC) LOUT Analog Out ROUT Opt S/PDIF Out AK4103A (DIT) T X Control Serial Data In/Out Figure 1. AKD4140-B Block Diagram *Circuit dia gram and PCB layout are attached at the end of this manual. -1- 2 006/08 ASAHI KASEI [AKD4140-B] Evaluation Board Manual „ Operating.
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