FT313HQ-R FTDI, FT313HQ-R Datasheet - Page 52

• 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

6.4.2 DMA timing
DMA timing characteristics (Ambient Temperature = -40°C to +85°C)
Table 6-13 DMA timing
Figure 6-7 DMA read and write
DATA[15:0]
DATA[15:0]
DREQ
DACK
RD_N/
WR_N
(write)
(read)
Parameter
T
T
T
Tsudackrw
T
sudreqdack
T
ddackdreq
hdreqdack
T
sudackrw
T
T
T
rwdack
T
dadvh
T
wdh
rwp
rdh
cyc
oe
Toe
Copyright © 2012 Future Technology Devices International Limited
Tsudreqdack
Trwp
Tdadvh
Write Data Hold Time after WR_N De-
DACK De-assertion after RD_N/WR_N
Data Valid Time after RD_N Assertion
Write Data Set-up Time before WR_N
Read Data Hold Time after RD_N De-
DREQ Hold Time after Last Strobe
DACK De-assertion to Next DREQ
DREQ Set-up Time before DACK
DATA1
DMA Read/Write Cycle Time
Trdh
DACK Set-up Time before
RD_N/WR_N Pulse Width
RD_N/WR_N Assertion
Twdh
Assertion Time
De-assertion
De-assertion
Description
FT313H USB2.0 HS Host Controller Datasheet Version 1.1
Tcyc
Assertion
Assertion
assertion
asserts
DATA2
DATAn
Thdreqdack
Min
18
40
80
0
8
4
0
6
0
0
-
Document No.: FT_000589
Clearance No.: FTDI# 318
Trwdack
Max
35
9
-
-
-
-
-
-
-
-
-
Tddackdreq
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
52