ATJ2073 ETC, ATJ2073 Datasheet - Page 25
ATJ2073
Manufacturer Part Number
ATJ2073
Description
The Atj2073 is a Single-chip Highly-intergrated Digital Music System Solution for Devices such as Dedicated Audio Players, Pdas, and cell Phones
Manufacturer
ETC
Datasheet
1.ATJ2073.pdf
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5.7 SPDIF Interface
Page 25 of 45
one register.
2 8-level by 8-bit FIFO are used to buffer data for TX and RX. After received 192 frame- four bytes of
channel status was appended into the RX FIFO. When TX FIFO is empty and SPDIF is enabled, 0 is send out
for all frame.
The AES/EBU interface is a means for serially communicating digital audio data through one
single transmission line. It provides two channels for audio data, a method for
communicating control information, and has error detection capabilities. The control
information is transmitted as one bit per sample and accumulates in a block structure. The
data is bi-phase encoded, which enables the receiver to extract a clock from the data .
Coding violations, defined as preambles, are used to identify sample and block boundaries.
X Channel A
ATJ2073
Frame 191
Y Channel B
DC
DB
DA
D9
D6
D5
AVCC AGND
A
D
C
Figure 7.1.
Z Channel A
Figure 7.2. Biphase-Mark Encoding
1 0 1 1 0 0 1 1 0 1 0 1
Sub-frame
1
DE_4
0
Frame 0
Start of Channel Status Block
D4_[3:0]
Y Channel B
0
Frame/Block Format
Sub-frame
1.5v
0
1
X Channel A
1
MICIN
MICOUT
AGCI
Actions Semiconductor Co.,LTD
Frame 1
Y Channel B
Data Sheet
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