27
SS-US501/SW-US501/UZ-US501
DIGITAL BOARD IC502 DIT4096IPWR (DIGITAL AUDIO TRANSMITTER)
Pin No.
Pin Name
I/O
Description
1
CSS
I
Channel status data input terminal Not used
2
COPY/C
I
Copy protect signal or channel status serial data input terminal Not used
3
L
I
Generation status signal input from the USB CODEC
4, 5
CLK1, CLK0
I
Master clock frequency selection signal input from the USB CODEC
6
MCLK
I
Master clock signal input from the USB CODEC
7
VIO
—
Power supply terminal (+3.3V) (digital system)
8
DGND
—
Ground terminal (digital system)
9, 10
FMT0, FMT1
I
Audio data format control signal input terminal Not used
11
SCLK
I
Audio serial data transfer clock signal input from the USB CODEC
12
SYNC
I
Frame sync signal input from the USB CODEC
13
SDATA
I
Audio serial data input from the USB CODEC
14
M/S
I
Master/slave setting terminal “L”: slave, “H”: master Fixed at “L” in this set
15
RST
I
Reset signal input terminal “L”: reset
16
DGND
—
Ground terminal (digital system)
17
TX–
O
Audio serial data output terminal Not used
18
TX+
O
Audio serial data output to the digital audio interface receiver
19
VDD
—
Power supply terminal (+5V) (digital system)
20
MDAT
I
Channel status data selection signal input terminal Not used
21
MONO
I
Monoral/stereo mode selection signal input terminal “L”: stereo, “H”: monoral Not used
22
AUDIO
I
Audio data status signal input terminal “L” active Not used
23
EMPH
I
Pre-emphasis status signal input terminal “L” active Not used
24
BLSH
I
Block start mode control signal input terminal Not used
25
BLS
I/O
Block start signal input/output terminal Not used
26
V
I
Validity data input terminal Not used
27
U
I
User data input terminal Not used
28
MODE
I
Input terminal for the setting mode
