BARIX IPAM 400, Предварительные технические характеристики

Страница: 9 / 17

Preliminary Development – BARIX IP AUDIO MODULE 400 – V 02.20 – 9.April.2018
Connectors 9
Connectors
Connector placement For connector placement (and type) please refer to the mechanical
drawing in previous chapter.
Connector pin out
J1 pin out (analog audio
input and output)
Pin # Name Type Description (usage)
1 MICIN1N AI
Mic balanced negative input (unbal. Mic / line: connect
1uF to GND)
2 MICIN1P AI
Mic positive input or Left channel audio input (for line
see remark above)
3 AGND P Audio Ground
4 INR AI Right channel audio input
5 LINEOUTL AO Left channel audio output
6 LINEOUTR AO Right channel audio output
Type: AI=Audio Input, AG=Audio Ground (centrally connected to DGND), AO=Audio Output
Connector pin out
J2 pin out (GPIO, UART,
USB, I
2
C)
Connector pin out
J3 pin out (USB OTG, Host)
Pin # Name Type Description (usage)
1 -RST D
Active low Reset I/O (Hardware reset from
power surveillance)
2 IO/IR-in/RXD3 B
GPIO# PA14, Infrared input, UART_3 data
receive, second amplifier shutdown
3 DGND P Digital Ground
4 D0-REL B GPIO#PA10
5 IO/TXD3 B GPIO#PA13 / UART_3 data transmit
6 IO/RTS3 B GPIO#PA15 / UART_3 flow control output
7 IO/CTS3 B GPIO#PA16 / UART_3 flow control input
8 OWA_OUT B
GPIO#PA17 / OWA(One Wire
Audio);complies with SPDIF interface
9 Recovery B
VCC_IO_EN (Button for Reset/Factory
defaults/Bootloader)
10 DGND P Digital Ground
11 VIN P Audio module input Voltage 3.3 VDC
12 CTS1 I UART_1 flow control input
13 RTS1 O UART_1 flow control output
14 RXD1 I UART_1 data receive
15 TXD1 O UART_1 data transmit
16 DGND P Digital Ground
17 USBDM1 B USB 2.0 Host Interface negative
18 USBDP1 B USB 2.0 Host Interface positive
19 TWI0-SCK B
GPIO#PA11 /I²C Clock (Connected internally /
Internal testing only)
20 TWI0-DA B
GPIO#PA12 /I²C Data (Connected internally /
Internal testing only)
Type: O=Output, I=Input, P=Power, B=bidirectional, D = Open Drain (pull-up resistor on
module)