DS_FT313H Datasheet, PDF (30/64 Pages) Future Technology Devices International Ltd. – The FT313H is a Hi-Speed Universal Serial Bus (USB) Host Controller compatible with Universal Serial Bus Specification Rev 2.0 and supports data transfer speeds of up to 480M bit/s.

Document No.: FT_000589
FT313H USB2.0 HS Host Controller Datasheet Version 1.1
Clearance No.: FTDI# 318
Bit
[1:0]
Name
Type
ASYN_SCH_SLPT R/W
Default
value
2’b01
Description
00b 3750 clocks (30 MHz) = 1500 clocks (12 MHz) = 125 µs
01b 3500 clocks (30 MHz) = 1400 clocks (12 MHz) = 116 µs
10b 3250 clocks (30 MHz) = 1300 clocks (12 MHz) = 108 µs
11b 4000 clocks (30 MHz) = 1600 clocks (12 MHz) = 133 µs
Asynchronous Schedule Sleep Timer
Controls the Asynchronous Schedule sleep timer.
00b
5 µs
01b
10 µs
10b
15 µs
11b
20 µs
Table 5-12 EOF time and asynchronous schedule sleep timer register
5.3.2 CHIPID register (address = 80h)
This chip ID register contains the chip identification and hardware version numbers.
Bit
Name
Type Default value Description
[31:0]
CHIP_ID
RO
32’h03130001 Chip ID
Table 5-13 Chip ID register
5.3.3 HWMODE register (address = 84h)
Bit
Name
Type
Default value
[15: 8]
Reserved
RO
8’b0
Description
-
Host Speed Type
[7: 6] HOST_SPD_TYP
RO
5
DACK_POL
R/W
4
DREQ_POL
R/W
3
INTF_LOCK
R/W
2’b00
1’b0
1’b0
1’b0
Indicate the speed type of attached
device
2’b10: HS
2’b00: FS
2’b01: LS
2’b11: Reserved
DACK Polarity
0: active LOW
1: active HIGH
DREQ Polarity
0: active LOW
1: active HIGH
Interface Lock
0: Unlock the bus interface
1: Lock the bus interface
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