Copyright ⓒ. 2014. All Rights Reserved.
3. Interface
3.2 Pin description
Table 1. Pin descriptions
Signal Name
Type
Pin
Description
USB
USB-NAD_D+
USB-NAD_D-
USB_POW_ON
USB-GND
IO
IO
I
-
13
14
11
12
USB Differential data line (+)
USB Differential data line (-)
Control line USB Power Supply
USB-Ground internal connected to GND
Audio
PCM
D_Audio_NAD_SCLK
D_Audio_NAD_LRCK
D_Audio_NAD_SDTI
D_Audio_NAD_SDTO
O
O
I
O
23
24
25
26
PCM Interface bit clock line
PCM Interface frame clock line
PCM Interface digital audio data in
PCM Interface digital audio data out
User
Interface
NAD_OnOff
NAD_Reset
NAD_Status
PowerOn_Off
HWakeUp
I
I
O
I
O
15
16
9
10
17
Control line to power on or off the module
Control line to unconditionally restart the module
Indicates the power state of the module
Control line to switch on the power supply of LGIT-M.
Optional Control line to switch on host.
Power
KL30 (12V)
GND
I
-
1,3,5,7
2,4,6,8
Power supply input (+)
Power supply input (-)
NC
RESERVED
-
18,27,28,
29,30,31,
32,33,34,
35,36,37,
38,39,
40
Reserved pins. Please leave the pins unconnected
