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Preliminary Development
–
BARIX IP AUDIO MODULE 400
–
V 02.20
–
9.April.2018
Technical Data
13
Technical data
Power supply input
Parameter
Min
Max
Unit
Supply voltage (Nominal)
3.3
3,3
VDC
Supply voltage (Absolute Maximum
Ratings)
3.2
3.4
VDC
Power consumption max.
4
W
CPUs / Boot / Memory
Parameter
Details
Central
processor unit
Quad-core ARM Cortex
TM
–A7 MPCore
TM
Processor
Boot
Supports fast boot process from Flash or SD/TF card
Encryption
Crypto Engine (CE)
Memory features
•
32KB L1 Instruction cache and 32KB L1 data cache per core
•
512KB L2-cache
•
VFPv4 Floating point unit
•
Supports LPAE and NEON Advanced SIMD
Memory
16MB SPI flash
Ext. memory
Supports TF and SD card
Network interfaces
Parameter
Details
Ethernet type
10/100 Base (integrated PHY)
Functionality
10/100 Mbit, full / half duplex, auto negotiation
Status display
Link / Activity LED
Protocols
TCP/IP, UDP, RTP, SIP, DHCP
Serial interfaces
Parameter
COM 1 (UART 0)
Signals
RxD, CTS both TTL 3.3 VDC, TxD, RTS both TTL 3.3VDC (VH
min. 0.7*Vin), GND
Baud rates
300 .. 115200
Data bits
7 or 8
Parity
No, Even, Odd
Stop bits
1 or 2
Flow control
No, XON/XOFF
Peripheral I/O
interfaces
Parameter
Min
Max
Unit
IIN/Out current for input and output
-40
40
mA
VIL Input Low Voltage
-0.3
0.3*Vin
VDC
VIH Input High Voltage
0.7*Vin
Vin+0.3Vdc
VDC
VOL Output low voltage @IOL max 4 mA
0
0.2
VDC
VOH Output high voltage @IOH max 4 mA
Vin-0.2Vdc
Vin
VDC
~
Audio interfaces
Audio Processor (Codec)
Decoding features
Format
Sampling rate / Bit rate & type
PCM 16bit linear
8..48 kHz
PCM 8bit logarithmic (µLaw / aLaw)
8..48 kHz
G.722
16 kHz
Ogg Vorbis
1
48 kHz / 500 kbps
MPEG1 & MPEG2 Layer 3 (MP3)
1
8 to 48 kHz / 32..192 kbps, constant bit
rate (CBR) and variable bit rate (VBR)
1
in a future firmware release