Ratoc Systems CFU2 - Manual (Page 14)

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5. Specifications
CFU2 USB1.1 Host CF Card
Bus Interface : CF+ and CompactFlash Specifications Rev1.4
USB Interface: USB 1.1 Host Port(12Mbps/1.5Mbps)
Connector: USB1.1 series A(Female) x 1
Max Bus Power: 100mA
Power Consumption : 3.3V/5V
34mA at 3.3V(without any device connected)
27mA at 5V(without any device connected)
Operating Requirements: Temperature 32 to 131°F(0 to 55°C)
Relative Humidity 10 to 80%(non-condensing)
Size: 1.68 in (42.8 mm) (W) x 1.43 in (36.4 mm) (D) x 0.19 in (4.9 mm) (H)
Cable length: 3.93 in (10 cm)
USB1.1 Host Driver
Host Interface : Original Class
Transfer Protocol : Control, Bulk, Interrupt transfer
Mass Storage Driver
Transfer Protocol : BOT(Bulk Only Transfer)