FT313HQ-R FTDI, FT313HQ-R Datasheet - Page 34

• Manufacturer Part Number: FT313HQ-R
• Description: USB Interface IC USB High Speed USB-- Host Controller IC--
• Manufacturer: FTDI

Specifications of FT313HQ-R

• Rohs: yes
• Product: USB 2.0
• Data Rate: 480 Mbps
• Interface Type: USB
• Operating Supply Voltage: 1.62 V to 3.63 V
• Operating Supply Current: 35 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-64
• Minimum Operating Temperature: - 40 C

Bit
12
11
10
9
8
7
6
5
4
[3: 2]
1
Name
Reserved
OSC_EN
PLL_EN
Reserved
HC_CLK_EN
VBUS_OFF
PORT_OC_EN
BCD_EN
Reserved
BURST_LEN
ENABLE_DMA
Copyright © 2012 Future Technology Devices International Limited
Type
-
R/W
R/W
-
R/W
R/W
R/W
R/W
RO
R/W
R/W
FT313H USB2.0 HS Host Controller Datasheet Version 1.1
Default value
1’b1
1’b1
1’b1
1’b1
1’b1
1’b1
1’b0
1’b1
1’b0
2’b00
1’b0
Description
functional on this port, VBUS current limit ≤
1.5A.
10: Reserved
11: CDP
current limit ≤ 1.5A.
-
Oscillator enable
0: Oscillator is not active
1: Oscillator is active
Internal PLL enable
0: PLL is disable
1: PLL is enable
-
Host controller clock enable
0: clocks are disabled
1: clocks are enabled
VBUS power switch
This bit controls the voltage on the VBUS
on/off (default is “1”) by switch external
power switcher.
0: VBUS on, PSW_N signal is active LOW.
1: VBUS off, PSW_N signal is not active.
Port overcurrent enable
0: disable over current detection
1: enable over current detection
BCD module enable
0: disable BCD module
1: enable BCD module
-
DMA burst length
00: Single DMA burst
01: 4-cycle DMA burst
10: 8-cycle DMA burst
11: 16-cycle DMA burst
Enable DMA
0: terminate DMA
Dedicated charging port. USB host not
Charging downstream port, VBUS
Document No.: FT_000589
Clearance No.: FTDI# 318
34