AKD4955-A Datasheet, PDF (1/89 Pages) Asahi Kasei Microsystems – AK4955 Evaluation Board Rev.3

[AKD4955-A]
AKD4955-A
AK4955 Evaluation Board Rev.3
GENERAL DESCRIPTION
The AKD4955-A is an evaluation board for AK4955, 24bit stereo CODEC with a microphone/ speaker/ video
amplifiers, DSP and LDO. The AKD4955-A has the Digital Audio I/F and can achieve the interface with digital audio
systems via optical connector.
„ Ordering Guide
AKD4955-A --- AK4955 Evaluation Board
(Cable for connecting with USB Port of PC and control software are packed with this.)
FUNCTION
• DIR/DIT with optical input/output
• BNC connector for an external clock input
AIN
Mini
Jack
LIN
RIN
LOUT
ROUT
SPP _Mini
SPN ^Jack
MIN
DVDD SVDD LVDD AVDD
3.3V←5V
1.8V←5V
for TVDD
+5V
LDO
(T2)
LDO
(T3)
LIN1
RIN1
3.3V←5V LDO
(T1)
LIN2
PIC4550
USB
RIN2
AK4955
PORT 3
(DSP)
PORT 4
(10pin-CT RL)
External
Clock
AK4118A
(DIT/DIR)
Opt In
Opt Out
VOUT VIN
Figure 1.AKD4955-A Block Diagram
<KM104703>
-1-
2011/08