Analog Audio/Serial Interface Specifications and Connector Pinout
The analog audio/serial interface provides four (4) mono inputs and two mono outputs (for talkback, future use). This interface complies with the Intel High Definition Audio (HDA) specification.
The audio input channels support 48-kHz sample rates with 16-bit PCM data. The audio input channels support up to 4.15Vpp (single ended) inputs. The input signal level is configurable from 2 to 8 dBu, with a default value of 6 dBu. The maximum input level of 8 dBu translates to a maximum value of 5.50Vpp.
The analog audio/serial interface also provides four (4) serial inputs and one serial ground. TBD - is the Serial Pinout RS-232 or RS-422???
Analog Audio/Serial Connector | ||
|---|---|---|
On Unit | Mating Connector | |
Manufacturer | Hirose | Hirose |
Connector Type | Audio/Serial Connector | Audio/Serial Connector |
Part Number | LF13WBRB-20S | LF13WBP-20P |
Audio/Serial Input Pin Locations
Analog Audio/Serial Connector Pinout | |
|---|---|
Contact # | Description |
1 | SERIAL - RXD-A |
2 | SERIAL - RXD-B |
3 | SERIAL - TXD-Z |
4 | SERIAL - TXD-Y |
5 | N/C |
6 | N/C |
7 | SERIAL GND |
8 | N/C |
9 | FACTORY RESET SIGNAL |
10 | FACTORY RESET GND |
11 | AUDIO OUT CHANNEL + (for talkback, future use) |
12 | AUDIO OUT CHANNEL - (for talkback, future use) |
13 | AUDIO IN CHANNEL 2 + |
14 | AUDIO IN CHANNEL 2 - |
15 | N/C |
16 | N/C |
17 | AUDIO IN CHANNEL 1 + |
18 | AUDIO IN CHANNEL 1 - |
19 | N/C |
20 | N/C |
Audio/Serial Wiring diagram