FT313HQ-R datasheet(30/67 Pages) FTDI

30 / 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

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

[1:0]

ASYN_SCH_SLPT

R/W

2’b01

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

32’h03130001

Chip ID

Table 5-13 Chip ID register

5.3.3 HWMODE register (address = 84h)

Bit

Name

Type

Default value

Description

[15: 8]

Reserved

8’b0

[7: 6]

HOST_SPD_TYP

2’b00

Host Speed Type

Indicate the speed type of attached

device

2’b10:

2’b00:

2’b01:

2’b11:

Reserved

DACK_POL

R/W

1’b0

DACK Polarity

0: active LOW

1: active HIGH

DREQ_POL

R/W

1’b0

DREQ Polarity

0: active LOW

1: active HIGH

INTF_LOCK

R/W

1’b0

Interface Lock

0: Unlock the bus interface

1: Lock the bus interface

FT313HQ-R Datasheet(PDF) 30 Page - Future Technology Devices International Ltd.

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