FT900Q-R datasheet(26/67 Pages) BRIDGETEK

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FT900

/1/2/3 Revision C Embedded Microcontroller Datasheet

Version 1.0

Document No. BRT_000172 Clearance No.: BRT#087

Function

Address Memory Range

Comment

UART 0 register

0x10320

0x1032F

UART 1 registers

0x10330

0x1033F

Timers (include Watchdog)

registers

0x10340

0x1034F

I2S master or slave registers

0x10350

0x1035F

Camera registers

0x10360

0x1036F

Reserved

0x10370

0x103BF

PWM registers

0x103C0

0x103FF

Registers: B access

FIFO: W access

SD host controller registers

0x10400

0x107FF

Flash controller registers

0x10800

0x108BF

Reserved

0x108C0

0x10FFF

Table 4-2 - FT900/1/2/3 series I/O memory mapping

Notes: DW / W / B are length of register operation.

DW:

Double Word (32-bit)

Word (16-bit) B:

Byte (8-bit)

4.7

USB2.0 Host Controller

The Hi-Speed USB2.0 single-port host controller is compliant with the USB2.0 specification and the

Enhanced Host Controller Interface (EHCI) specification. There is an option to enable a downstream port

with a Battery Charging (BC) feature, which can be configured as Standard Downstream Port (SDP), or

Charging Downstream Port (CDP), or Dedicated Charging Port (DCP). The battery charging feature is

compatible with the Battery Charging Specification Revision 1.2 (BC 1.2) by USB-IF.

4.7.1 Features

•

Compliant with the USB specification revision 2.0.

•

Compliant with EHCI specification revision 1.0.

•

The USB1.1 host is integrated into the USB2.0 EHCI compatible host controller.

•

Supports data transfer at hi-speed (480 Mb/s), full-speed (12 Mb/s) and low-speed (1.5 Mb/s).

•

Supports the split transaction for hi-speed Hubs and the preamble transaction full-speed hubs.

•

Supports the Isochronous/Interrupt/Control/Bulk data transfers.

•

8kB high speed RAM memory integrated.

•

Supports Battery Charging specification revision 1.2.

•

Supports VBUS power switching and over current control.

4.8

USB2.0 Device Controller

The USB 2.0 device controller is fully compliant with the USB2.0 specification. There is also an option to

enable a battery charger detection (BCD) feature on the upstream port, which can identify whether the

connected downstream port supports SDP, CDP or DCP charging function. Battery charge detection allows

the USB device to determine if higher currents may be available from the USB connection for rapid

battery charging.

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