Document No.: FT_000589
FT313H USB2.0 HS Host Controller Datasheet Version 1.1
Clearance No.: FTDI# 318
Bit
Name
Type
Default value
Description
10b: NOR mode
11b: SRAM mode
Write to these bits
have no effect.
5
4
Reserved
RO
1’b0
1’b0
-
DATA_BUS_WIDTH
R/W
Data bus width
0: Defines a 16-
bit data bus width.
1: Sets a 8-bit
data bus width.
3
2
Reserved
RO
1’b0
1’b0
-
RESET_ATX
R/W
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.
1
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.
0
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
Copyright © 2012 Future Technology Devices International Limited
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