FT2232HQ - REEL FTDI, Future Technology Devices International Ltd, FT2232HQ - REEL Datasheet - Page 39

• Manufacturer Part Number: FT2232HQ - REEL
• Description: IC USB UART/FIFO DUAL HS 64-QFN
• Manufacturer: FTDI, Future Technology Devices International Ltd
• Series: USBmadeEZ-FIFOr

Specifications of FT2232HQ - REEL

• Features: USB to UART and/or FIFO, SPI, I2C, JTAG
• Number Of Channels: 2, DUART
• Fifo's: 4096 Byte
• Protocol: RS-232, RS-422, RS-485
• Voltage - Supply: 3 V ~ 3.6 V
• With Parallel Port: Yes
• With Auto Flow Control: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 64-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 768-1025-2; FT2232HQ - REEL

Table 4.9 CPU-Style FIFO Interface Operation Signal Timing.
An example of the CPU-style FIFO interface connection is shown in Figure 4.18
Figure 4.18 CPU-Style FIFO Interface Example
Name
Channel A
t1
t2
t3
t4
t5
t6
t7
t8
t9
FT2232H
or B
PWREN#
Minimum
SI / WU
15
15
20
15
15
CS#
WR#
5
5
5
0
RD#
A0
D0
D1
D2
D3
D4
D5
D6
D7
Copyright © 2010 Future Technology Devices International Limited
Typical Maximum
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
( Optional )
( Optional )
50
30
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Microcontroller
IO10
IO11
IO12
IO13
IO14
IO15
IO16
IO17
IO20
IO21
IO22
IO23
IO24
IO25
Data hold time from RD#
A0 / CS Setup to WR#
A0/CS Hold from WR#
A0/CS hold from RD#
Data delay from RD#
Data hold from WR#
A0/CS Setup to RD#
Data setup to WR#
WR# Pulse width
Description
Document No.: FT_000061
Clearance No.: FTDI#77
Datasheet Version 2.10
39