AKD7782-A Datasheet, PDF (1/73 Pages) Asahi Kasei Microsystems – AK7782 Evaluation Board Rev.0

[AKD7782-A]
AKD7782-A
AK7782 Evaluation Board Rev.0
GENERAL DESCRIPTION
The AKD7782-A is an evaluation board for AK7782, which is a highly integrated audio processor including
5ch 24bit ADC, 4ch SRC and two audio DSP cores. This board is composed of a main board and a sub
board. It is possible to control the setting of board via USB port. RCA connectors are used for the input
and output of analog signal. This board also has digital interface and can achieve the interface with digital
audio system via optical connector.
„ Ordering guide
AKD7782-A --- Evaluation board for AK7782
Control software is packed with this.
FUNCTION
† Read/Write access to PRAM, CRAM, OFREG and control registers of AK7782
† Compatible with 2 types of digital audio interface
- Optical input (x1) / Optical output (x1)
- 10pin header for interface with external data source (x2)
† ADC1/ADC2 18ch input, ADCM 1ch input, DAC 8ch output
(Note: There is no DAC within AK7782. 8ch DAC AK4359 is equipped.)
† USB port for board control
+12V
GND
Regulator
USB 3.3V
USB
PIC18F
4550
Opt In
AK4118A
Opt Out
Regulator
3.3V
Regulator
1.8V
Regulator
3.3V
FPGA
(XC95144XL)
AK7782
Amp
AIN 18ch
AINM 1ch
Regulator
5.0V
AK4359
AOUT 8ch
SMUX
SMUX2
10 Pin Header
Figure 1. AKD7782-A Block Diagram
<KM106200>
-1-
2011/03