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FSC-BT1006A Datasheet
Shenzhen Feasycom Technology Co.,Ltdwww.feasycom.com
-19-
Figure 7: I2C Bus Timing
The device on-chip I
2
C logic provides the serial interface that meets the I
2
C bus standard modespecification. The I
2
C
port handles byte transfers autonomously. The I
2
C H/W interfaces to the I
2
C bus via two pins: SDA and SCL. Pull up
resistor is needed for I
2
C operation as these are open drain pins. When the I/O pins are used as I
2
C port, user must
set the pins function to I
2
C in advance.
4.6.3USB Interface
FSC-BT1006A has a full-speed (12Mbps) USB interface for communicating with other compatible digital devices.The
USB interface on FSC-BT1006A acts as a USB peripheral, responding to requests from a master host controller.
FSC-BT1006A supports the Universal Serial Bus Specification, Revision v2.0 (USB v2.0 Specification) and USB Battery
Charging Specification, available from http://www.usb.org. For more information on how to integrate the USB
interface on FSC-BT1006A see the Bluetooth and USB Design Considerations Application Note.
As well as describing USB basics and architecture, the application note describes:
Power distribution for high and low bus-powered configurations
Power distribution for self-powered configuration, which includes USB VBUS monitoring (when VBUS is>3.1)
USB enumeration
Electrical design guidelines for the power supply and data lines, as well as PCB tracks and the effects offerrite
beads
USB suspend support
Battery charging from USB, which describes dead battery provision, charge currents, charging in suspend modes
and USB VBUS voltage consideration
USB termination when interface is not in use
Internal modules, certification and non-specification compliant operation
4.7LED Drivers
FSC-BT1006A includes a 3-pad synchronised PWM LED driver for driving RGB LEDs for producing a wide rangeof
colors. All LEDs are controlled by firmware.
The terminals are open-drain outputs, so the LED must be connected from a positive supply rail to the pad in
serieswith a current-limiting resistor.