FT313HQ-R datasheet(32/67 Pages) FTDI

32 / 67 page

Document No.: FT_000589

FT313H USB2.0 HS Host Controller Datasheet Version 1.2

Clearance No.: FTDI# 318

Bit

Name

Type

Default value

Description

10b: NOR mode

11b: SRAM mode

Write to these bits

have no effect.

Reserved

1’b0

DATA_BUS_WIDTH

R/W

1’b0

Data bus width

0: Defines a 16-

bit data bus width.

1: Sets a 8-bit

data bus width.

Reserved

1’b0

RESET_ATX

R/W

1’b0

Reset USB

transceiver

0: No reset

1: Enable reset

When the software

writes a ‘1’ to this

bit, the USB PHY

reset sequence will

start. Automatic

clear zero.

RESET_HC

R/W

1’b0

Reset host

controller

0: No reset

1: Enable reset

When the software

writes a ‘1’ to this

bit, the Host

Controller reset

sequence will

start. Automatic

clear zero.

RESET_ALL

R/W

1’b0

Reset all system

0: No reset

1: Enable reset

When the software

writes a ‘1’ to this

bit, the whole

system reset

sequence will

start. Automatic

clear zero.

Table 5-16 SW reset register

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