Black Swift > Specifications

Chipset Qualcomm Atheros AR9331
CPU core 32-bit MIPS 24K
Frequency 400 MHz (nominal)
200 MHz (energy-saving)
ROM 16 MB NOR flash
RAM 64 MB DDR2 SDRAM
Connectors 1×microUSB (USB interface)
1×microUSB (3.4-6 VDC power)
1×PLLD-1,27-30 (signal interfaces and power)
1×PLLD-1,27-20 (signal interfaces and power)
External antenna Optional (special design with U.fl connector available upon request)
Interfaces Wi-Fi 802.11 b/g/n (1×1, up to 150 Mbps, 2.4 GHz, PCB antenna)
1×USB 2.0 (host/client)
26×GPIO (general purpose input/outputs)
2×Fast Ethernet 10/100 Mbps
1×SPI
1×I²C
1×16550 UART
GPIO Maximum load 24 mA
Minimum logic «1» level: 2.44 V
Maximum logic «0» level: 0.1 V
Absolute maximum input voltage: 3.3 V
Recommended maximum input voltage: up to 2.75 V
DC power 5 V (with USB support)
3.3 V (without USB support)
3.6-6 В (using onboard voltage regulator and without USB support)
Power consumption 300 mA max (without external load)
60 mA min (200 MHz, Wi-Fi disabled)
Integrated voltage regulators 3.3 V, switch mode, external load 700 mA max
2.75 V, linear LDO, external load 300 mA max
Total external load 700 mA max
Operating system OpenWRT 14.07 Barrier Breaker
Size 25×35×4 mm (1×1.38×0.16 in)
Weight 3 g

Black Swift board pinout, patterns for EDA software and brief I/O description you may find in our Wiki.